diff --git a/Documentation/git-cat-file.adoc b/Documentation/git-cat-file.adoc
index 86b9181599..3b7a85b383 100644
--- a/Documentation/git-cat-file.adoc
+++ b/Documentation/git-cat-file.adoc
@@ -169,6 +169,13 @@ info <object>::
 	Print object info for object reference `<object>`. This corresponds to the
 	output of `--batch-check`.
 
+remote-object-info <remote> <object>...::
+	Print object info for object references `<object>` at specified
+	`<remote>` without downloading objects from the remote.
+	Raise an error when the `object-info` capability is not supported by the remote.
+	Raise an error when no object references are provided.
+	This command may be combined with `--buffer`.
+
 flush::
 	Used with `--buffer` to execute all preceding commands that were issued
 	since the beginning or since the last flush was issued. When `--buffer`
@@ -312,7 +319,8 @@ newline. The available atoms are:
 	The full hex representation of the object name.
 
 `objecttype`::
-	The type of the object (the same as `cat-file -t` reports).
+	The type of the object (the same as `cat-file -t` reports). See
+	`CAVEATS` below. Not supported by `remote-object-info`.
 
 `objectmode`::
 	If the specified object has mode information (such as a tree or
@@ -325,13 +333,14 @@ newline. The available atoms are:
 
 `objectsize:disk`::
 	The size, in bytes, that the object takes up on disk. See the
-	note about on-disk sizes in the `CAVEATS` section below.
+	note about on-disk sizes in the `CAVEATS` section below. Not
+	supported by `remote-object-info`.
 
 `deltabase`::
 	If the object is stored as a delta on-disk, this expands to the
 	full hex representation of the delta base object name.
 	Otherwise, expands to the null OID (all zeroes). See `CAVEATS`
-	below.
+	below. Not supported by `remote-object-info`.
 
 `rest`::
 	If this atom is used in the output string, input lines are split
@@ -341,7 +350,10 @@ newline. The available atoms are:
 	line) are output in place of the `%(rest)` atom.
 
 If no format is specified, the default format is `%(objectname)
-%(objecttype) %(objectsize)`.
+%(objecttype) %(objectsize)`, except for `remote-object-info` commands which use
+`%(objectname) %(objectsize)` for now because "%(objecttype)" is not supported yet.
+WARNING: When "%(objecttype)" is supported, the default format WILL be unified, so
+DO NOT RELY on the current default format to stay the same!!!
 
 If `--batch` is specified, or if `--batch-command` is used with the `contents`
 command, the object information is followed by the object contents (consisting
@@ -438,6 +450,11 @@ scripting purposes.
 CAVEATS
 -------
 
+Note that since %(objecttype), %(objectsize:disk) and %(deltabase) are
+currently not supported by the `remote-object-info` command, they will
+return an empty string for remote queries, matching how `for-each-ref`
+behaves for known but inapplicable placeholders.
+
 Note that the sizes of objects on disk are reported accurately, but care
 should be taken in drawing conclusions about which refs or objects are
 responsible for disk usage. The size of a packed non-delta object may be
diff --git a/Makefile b/Makefile
index 61c1d6d04b..4913ce3d28 100644
--- a/Makefile
+++ b/Makefile
@@ -1160,6 +1160,7 @@ LIB_OBJS += ewah/ewah_rlw.o
 LIB_OBJS += exec-cmd.o
 LIB_OBJS += fetch-negotiator.o
 LIB_OBJS += fetch-pack.o
+LIB_OBJS += fetch-object-info.o
 LIB_OBJS += fmt-merge-msg.o
 LIB_OBJS += fsck.o
 LIB_OBJS += fsmonitor.o
diff --git a/builtin/cat-file.c b/builtin/cat-file.c
index 7aed3ad2a1..956b0c3f89 100644
--- a/builtin/cat-file.c
+++ b/builtin/cat-file.c
@@ -29,6 +29,22 @@
 #include "promisor-remote.h"
 #include "mailmap.h"
 #include "write-or-die.h"
+#include "alias.h"
+#include "remote.h"
+#include "transport.h"
+
+/*
+ * Maximum length for a remote URL. While no universal standard exists,
+ * 8K is assumed to be a reasonable limit.
+ */
+#define MAX_REMOTE_URL_LEN (8 * 1024)
+
+/* Maximum number of objects allowed in a single remote-object-info request. */
+#define MAX_ALLOWED_OBJ_LIMIT 10000
+
+/* Maximum input size permitted for the remote-object-info command. */
+#define MAX_REMOTE_OBJ_INFO_LINE \
+	(MAX_REMOTE_URL_LEN + MAX_ALLOWED_OBJ_LIMIT * (GIT_MAX_HEXSZ + 1))
 
 enum batch_mode {
 	BATCH_MODE_CONTENTS,
@@ -320,8 +336,15 @@ struct expand_data {
 	 * optimized out.
 	 */
 	unsigned skip_object_info : 1;
+
+	/*
+	 * Flags about when an object info is being fetched from remote.
+	 */
+	unsigned is_remote:1;
+
+	struct string_list remote_allowed_atoms;
 };
-#define EXPAND_DATA_INIT  { .mode = S_IFINVALID }
+#define EXPAND_DATA_INIT  { .mode = S_IFINVALID, .type = OBJ_BAD, .remote_allowed_atoms = STRING_LIST_INIT_NODUP }
 
 static int is_atom(const char *atom, const char *s, int slen)
 {
@@ -332,14 +355,25 @@ static int is_atom(const char *atom, const char *s, int slen)
 static int expand_atom(struct strbuf *sb, const char *atom, int len,
 		       struct expand_data *data)
 {
+	if (data->is_remote) {
+		size_t i;
+		for (i = 0; i < data->remote_allowed_atoms.nr; i++)
+			if (is_atom(data->remote_allowed_atoms.items[i].string, atom, len))
+				break;
+		if (i == data->remote_allowed_atoms.nr)
+			return 1;
+	}
+
 	if (is_atom("objectname", atom, len)) {
 		if (!data->mark_query)
 			strbuf_add_oid_hex(sb, &data->oid);
 	} else if (is_atom("objecttype", atom, len)) {
-		if (data->mark_query)
+		if (data->mark_query) {
 			data->info.typep = &data->type;
-		else
-			strbuf_addstr(sb, type_name(data->type));
+		} else {
+			const char *t = type_name(data->type);
+			strbuf_addstr(sb, t ? t : "");
+		}
 	} else if (is_atom("objectsize", atom, len)) {
 		if (data->mark_query)
 			data->info.sizep = &data->size;
@@ -638,6 +672,60 @@ out:
 	object_context_release(&ctx);
 }
 
+static int get_remote_info(struct batch_options *opt,
+			   int argc,
+			   const char **argv,
+			   struct object_info **remote_object_info,
+			   struct oid_array *object_info_oids,
+			   struct string_list *object_info_options)
+{
+	int retval = 0;
+	struct remote *remote = NULL;
+	struct object_id oid;
+	static struct transport *gtransport;
+
+	/*
+	 * Change the format to "%(objectname) %(objectsize)" when
+	 * remote-object-info command is used. Once we start supporting objecttype
+	 * the default format should change to DEFAULT_FORMAT.
+	 */
+	if (!opt->format)
+		opt->format = "%(objectname) %(objectsize)";
+
+	remote = remote_get(argv[0]);
+	if (!remote)
+		die(_("must supply valid remote when using remote-object-info"));
+
+	oid_array_clear(object_info_oids);
+	for (int i = 1; i < argc; i++) {
+		if (get_oid_hex(argv[i], &oid))
+			die(_("Not a valid object name %s"), argv[i]);
+		oid_array_append(object_info_oids, &oid);
+	}
+	if (!object_info_oids->nr)
+		die(_("remote-object-info requires objects"));
+
+	gtransport = transport_get(remote, NULL);
+
+	if (!gtransport->smart_options) {
+		retval = -1;
+		goto cleanup;
+	}
+
+	CALLOC_ARRAY(*remote_object_info, object_info_oids->nr);
+	gtransport->smart_options->object_info = 1;
+	gtransport->smart_options->object_info_oids = object_info_oids;
+
+	if (object_info_options->nr > 0) {
+		gtransport->smart_options->object_info_options = object_info_options;
+		gtransport->smart_options->object_info_data = *remote_object_info;
+		retval = transport_fetch_refs(gtransport, NULL);
+	}
+cleanup:
+	transport_disconnect(gtransport);
+	return retval;
+}
+
 struct object_cb_data {
 	struct batch_options *opt;
 	struct expand_data *expand;
@@ -719,18 +807,96 @@ static void parse_cmd_mailmap(struct batch_options *opt UNUSED,
 		load_mailmap();
 }
 
+struct protocol_placeholder_entry {
+	const char *option;
+	const char *atom;
+};
+
+static const struct protocol_placeholder_entry remote_atom_map[] = {
+	{"size", "objectsize"},
+	{"type", "objecttype"},
+	/*
+	 * Add new protocol options here. Even if the server doesn't support
+	 * them the allow_list will drop them if the server doesn't advertise
+	 * them.
+	 */
+};
+
+static void parse_cmd_remote_object_info(struct batch_options *opt,
+					 const char *line, struct strbuf *output,
+					 struct expand_data *data)
+{
+	int count;
+	const char **argv;
+	char *line_to_split;
+	static struct object_info *remote_object_info;
+	static struct oid_array object_info_oids = OID_ARRAY_INIT;
+	struct string_list object_info_options = STRING_LIST_INIT_NODUP;
+
+	if (strlen(line) >= MAX_REMOTE_OBJ_INFO_LINE)
+		die(_("remote-object-info command too long"));
+
+	line_to_split = xstrdup(line);
+	count = split_cmdline(line_to_split, &argv);
+	if (count < 0)
+		die(_("split remote-object-info command"));
+	if (count - 1 > MAX_ALLOWED_OBJ_LIMIT)
+		die(_("remote-object-info supports at most %d objects"),
+		    MAX_ALLOWED_OBJ_LIMIT);
+
+	if (data->info.sizep)
+		string_list_append(&object_info_options, "size");
+	if (data->info.typep)
+		string_list_append(&object_info_options, "type");
+
+	if (get_remote_info(opt, count, argv, &remote_object_info,
+			    &object_info_oids, &object_info_options))
+		goto cleanup;
+
+	string_list_clear(&data->remote_allowed_atoms, 0);
+	string_list_append(&data->remote_allowed_atoms, "objectname");
+	for (size_t i = 0; i < ARRAY_SIZE(remote_atom_map); i++)
+		if (unsorted_string_list_has_string(&object_info_options, remote_atom_map[i].option))
+			string_list_append(&data->remote_allowed_atoms,
+					   remote_atom_map[i].atom);
+
+	data->skip_object_info = 1;
+	for (size_t i = 0; i < object_info_oids.nr; i++) {
+		data->oid = object_info_oids.oid[i];
+		/*
+		 * When reaching here, it means remote-object-info can retrieve
+		 * information from server without downloading them.
+		 */
+		if (remote_object_info[i].sizep)
+			data->size = *remote_object_info[i].sizep;
+		if (remote_object_info[i].typep)
+			data->type = *remote_object_info[i].typep;
+		opt->batch_mode = BATCH_MODE_INFO;
+		data->is_remote = 1;
+		batch_object_write(argv[i + 1], output, opt, data, NULL, 0);
+		data->is_remote = 0;
+	}
+	data->skip_object_info = 0;
+
+cleanup:
+	for (size_t i = 0; i < object_info_oids.nr; i++)
+		free_object_info_contents(&remote_object_info[i]);
+	string_list_clear(&object_info_options, 0);
+	free(line_to_split);
+	free(argv);
+	free(remote_object_info);
+}
+
 static void dispatch_calls(struct batch_options *opt,
 		struct strbuf *output,
 		struct expand_data *data,
 		struct queued_cmd *cmd,
 		int nr)
 {
-	int i;
-
 	if (!opt->buffer_output)
 		die(_("flush is only for --buffer mode"));
 
-	for (i = 0; i < nr; i++)
+	for (size_t i = 0; i < nr; i++)
 		cmd[i].fn(opt, cmd[i].line, output, data);
 
 	fflush(stdout);
@@ -738,9 +904,7 @@ static void dispatch_calls(struct batch_options *opt,
 
 static void free_cmds(struct queued_cmd *cmd, size_t *nr)
 {
-	size_t i;
-
-	for (i = 0; i < *nr; i++)
+	for (size_t i = 0; i < *nr; i++)
 		FREE_AND_NULL(cmd[i].line);
 
 	*nr = 0;
@@ -754,8 +918,9 @@ static const struct parse_cmd {
 } commands[] = {
 	{ "contents", parse_cmd_contents, 1 },
 	{ "info", parse_cmd_info, 1 },
-	{ "flush", NULL, 0 },
 	{ "mailmap", parse_cmd_mailmap, 1 },
+	{ "remote-object-info", parse_cmd_remote_object_info, 1 },
+	{ "flush", NULL, 0 },
 };
 
 static void batch_objects_command(struct batch_options *opt,
@@ -767,7 +932,6 @@ static void batch_objects_command(struct batch_options *opt,
 	size_t alloc = 0, nr = 0;
 
 	while (strbuf_getdelim_strip_crlf(&input, stdin, opt->input_delim) != EOF) {
-		int i;
 		const struct parse_cmd *cmd = NULL;
 		const char *p = NULL, *cmd_end;
 		struct queued_cmd call = {0};
@@ -777,7 +941,7 @@ static void batch_objects_command(struct batch_options *opt,
 		if (isspace(*input.buf))
 			die(_("whitespace before command: '%s'"), input.buf);
 
-		for (i = 0; i < ARRAY_SIZE(commands); i++) {
+		for (size_t i = 0; i < ARRAY_SIZE(commands); i++) {
 			if (!skip_prefix(input.buf, commands[i].name, &cmd_end))
 				continue;
 
@@ -1032,6 +1196,7 @@ static int batch_objects(struct batch_options *opt)
  cleanup:
 	strbuf_release(&input);
 	strbuf_release(&output);
+	string_list_clear(&data.remote_allowed_atoms, 0);
 	cfg->warn_on_object_refname_ambiguity = save_warning;
 	return retval;
 }
diff --git a/connect.c b/connect.c
index 47e39d2a73..78c69d4485 100644
--- a/connect.c
+++ b/connect.c
@@ -700,6 +700,40 @@ int server_supports(const char *feature)
 	return !!server_feature_value(feature, NULL);
 }
 
+void write_command_and_capabilities(struct strbuf *req_buf, const char *command,
+				    const struct string_list *server_options)
+{
+	const char *hash_name;
+	int advertise_sid;
+
+	repo_config_get_bool(the_repository, "transfer.advertisesid", &advertise_sid);
+
+	ensure_server_supports_v2(command);
+	packet_buf_write(req_buf, "command=%s", command);
+	if (server_supports_v2("agent"))
+		packet_buf_write(req_buf, "agent=%s", git_user_agent_sanitized());
+	if (advertise_sid && server_supports_v2("session-id"))
+		packet_buf_write(req_buf, "session-id=%s", trace2_session_id());
+	if (server_options && server_options->nr) {
+		ensure_server_supports_v2("server-option");
+		for (size_t i = 0; i < server_options->nr; i++)
+			packet_buf_write(req_buf, "server-option=%s",
+					 server_options->items[i].string);
+	}
+
+	if (server_feature_v2("object-format", &hash_name)) {
+		const unsigned int hash_algo = hash_algo_by_name(hash_name);
+		if (hash_algo_by_ptr(the_hash_algo) != hash_algo)
+			die(_("mismatched algorithms: client %s; server %s"),
+			    the_hash_algo->name, hash_name);
+		packet_buf_write(req_buf, "object-format=%s", the_hash_algo->name);
+	} else if (hash_algo_by_ptr(the_hash_algo) != GIT_HASH_SHA1) {
+		die(_("the server does not support algorithm '%s'"),
+		    the_hash_algo->name);
+	}
+	packet_buf_delim(req_buf);
+}
+
 static const char *url_scheme_name(enum url_scheme scheme)
 {
 	switch (scheme) {
diff --git a/connect.h b/connect.h
index aa482a37fb..8f4c523892 100644
--- a/connect.h
+++ b/connect.h
@@ -34,4 +34,12 @@ void check_stateless_delimiter(int stateless_rpc,
 			       struct packet_reader *reader,
 			       const char *error);
 
+/*
+ * Writes a command along with the requested server capabilities/features into a
+ * request buffer.
+ */
+struct string_list;
+void write_command_and_capabilities(struct strbuf *req_buf, const char *command,
+				    const struct string_list *server_options);
+
 #endif
diff --git a/fetch-object-info.c b/fetch-object-info.c
new file mode 100644
index 0000000000..425929a269
--- /dev/null
+++ b/fetch-object-info.c
@@ -0,0 +1,93 @@
+#include "git-compat-util.h"
+#include "gettext.h"
+#include "hex.h"
+#include "pkt-line.h"
+#include "connect.h"
+#include "oid-array.h"
+#include "odb.h"
+#include "fetch-object-info.h"
+#include "string-list.h"
+
+/* Sends git-cat-file object-info command and its arguments into the request buffer. */
+static void send_object_info_request(const int fd_out, struct object_info_args *args)
+{
+	struct strbuf req_buf = STRBUF_INIT;
+
+	write_command_and_capabilities(&req_buf, "object-info", args->server_options);
+
+	if (unsorted_string_list_has_string(args->object_info_options, "size"))
+		packet_buf_write(&req_buf, "size");
+
+	if (args->oids)
+		for (size_t i = 0; i < args->oids->nr; i++)
+			packet_buf_write(&req_buf, "oid %s", oid_to_hex(&args->oids->oid[i]));
+
+	packet_buf_flush(&req_buf);
+	if (write_in_full(fd_out, req_buf.buf, req_buf.len) < 0)
+		die_errno(_("unable to write request to remote"));
+
+	strbuf_release(&req_buf);
+}
+
+int fetch_object_info(const enum protocol_version version, struct object_info_args *args,
+		      struct packet_reader *reader, struct object_info *object_info_data,
+		      const int stateless_rpc, const int fd_out)
+{
+	int size_index = -1;
+
+	switch (version) {
+	case protocol_v2:
+		if (!server_supports_v2("object-info"))
+			die(_("object-info capability is not enabled on the server"));
+
+		for (int i = args->object_info_options->nr - 1; i >= 0; i--)
+			if (!server_supports_feature("object-info",
+						     args->object_info_options->items[i].string, 0))
+				unsorted_string_list_delete_item(args->object_info_options, i, 0);
+
+		send_object_info_request(fd_out, args);
+		break;
+	case protocol_v1:
+	case protocol_v0:
+		die(_("unsupported protocol version. expected v2"));
+	case protocol_unknown_version:
+		BUG("unknown protocol version");
+	}
+
+	for (size_t i = 0; i < args->object_info_options->nr; i++) {
+		if (packet_reader_read(reader) != PACKET_READ_NORMAL) {
+			check_stateless_delimiter(stateless_rpc, reader, "stateless delimiter expected");
+			return -1;
+		}
+
+		if (!string_list_has_string(args->object_info_options, reader->line))
+			return -1;
+
+		if (!strcmp(reader->line, "size")) {
+			size_index = i;
+			for (size_t j = 0; j < args->oids->nr; j++)
+				object_info_data[j].sizep = xcalloc(1, sizeof(*object_info_data[j].sizep));
+		}
+	}
+
+	for (size_t i = 0; packet_reader_read(reader) == PACKET_READ_NORMAL && i < args->oids->nr; i++) {
+		struct string_list object_info_values = STRING_LIST_INIT_DUP;
+
+		string_list_split(&object_info_values, reader->line, " ", -1);
+		if (0 <= size_index) {
+			if (!strcmp(object_info_values.items[1 + size_index].string, ""))
+				die("object-info: server does not recognize object %s",
+				    object_info_values.items[0].string);
+
+			if (strtoul_ul(object_info_values.items[1 + size_index].string, 10, object_info_data[i].sizep))
+				die("object-info: ref %s has invalid size %s",
+				    object_info_values.items[0].string,
+				    object_info_values.items[1 + size_index].string);
+		}
+
+		string_list_clear(&object_info_values, 0);
+	}
+	check_stateless_delimiter(stateless_rpc, reader, "stateless delimiter expected");
+
+	return 0;
+}
diff --git a/fetch-object-info.h b/fetch-object-info.h
new file mode 100644
index 0000000000..d35284bd6b
--- /dev/null
+++ b/fetch-object-info.h
@@ -0,0 +1,22 @@
+#ifndef FETCH_OBJECT_INFO_H
+#define FETCH_OBJECT_INFO_H
+
+#include "pkt-line.h"
+#include "protocol.h"
+#include "odb.h"
+
+struct object_info_args {
+	struct string_list *object_info_options;
+	const struct string_list *server_options;
+	struct oid_array *oids;
+};
+
+/*
+ * Sends git-cat-file object-info command into the request buf and read the
+ * results from packets.
+ */
+int fetch_object_info(enum protocol_version version, struct object_info_args *args,
+		      struct packet_reader *reader, struct object_info *object_info_data,
+		      int stateless_rpc, int fd_out);
+
+#endif /* FETCH_OBJECT_INFO_H */
diff --git a/fetch-pack.c b/fetch-pack.c
index 120e01f3cf..a86c93fc52 100644
--- a/fetch-pack.c
+++ b/fetch-pack.c
@@ -1376,38 +1376,6 @@ static int add_haves(struct fetch_negotiator *negotiator,
 	return haves_added;
 }
 
-static void write_fetch_command_and_capabilities(struct strbuf *req_buf,
-						 const struct string_list *server_options)
-{
-	const char *hash_name;
-
-	ensure_server_supports_v2("fetch");
-	packet_buf_write(req_buf, "command=fetch");
-	if (server_supports_v2("agent"))
-		packet_buf_write(req_buf, "agent=%s", git_user_agent_sanitized());
-	if (advertise_sid && server_supports_v2("session-id"))
-		packet_buf_write(req_buf, "session-id=%s", trace2_session_id());
-	if (server_options && server_options->nr) {
-		int i;
-		ensure_server_supports_v2("server-option");
-		for (i = 0; i < server_options->nr; i++)
-			packet_buf_write(req_buf, "server-option=%s",
-					 server_options->items[i].string);
-	}
-
-	if (server_feature_v2("object-format", &hash_name)) {
-		int hash_algo = hash_algo_by_name(hash_name);
-		if (hash_algo_by_ptr(the_hash_algo) != hash_algo)
-			die(_("mismatched algorithms: client %s; server %s"),
-			    the_hash_algo->name, hash_name);
-		packet_buf_write(req_buf, "object-format=%s", the_hash_algo->name);
-	} else if (hash_algo_by_ptr(the_hash_algo) != GIT_HASH_SHA1_LEGACY) {
-		die(_("the server does not support algorithm '%s'"),
-		    the_hash_algo->name);
-	}
-	packet_buf_delim(req_buf);
-}
-
 static int send_fetch_request(struct fetch_negotiator *negotiator, int fd_out,
 			      struct fetch_pack_args *args,
 			      const struct ref *wants, struct oidset *common,
@@ -1419,7 +1387,7 @@ static int send_fetch_request(struct fetch_negotiator *negotiator, int fd_out,
 	int done_sent = 0;
 	struct strbuf req_buf = STRBUF_INIT;
 
-	write_fetch_command_and_capabilities(&req_buf, args->server_options);
+	write_command_and_capabilities(&req_buf, "fetch", args->server_options);
 
 	if (args->use_thin_pack)
 		packet_buf_write(&req_buf, "thin-pack");
@@ -1768,18 +1736,21 @@ static struct ref *do_fetch_pack_v2(struct fetch_pack_args *args,
 		reader.me = "fetch-pack";
 	}
 
+	/* v2 supports these by default */
+	allow_unadvertised_object_request |= ALLOW_REACHABLE_SHA1;
+	use_sideband = 2;
+	if (args->depth > 0 || args->deepen_since || args->deepen_not)
+		args->deepen = 1;
+
+	if (args->object_info)
+		state = FETCH_SEND_REQUEST;
+
 	while (state != FETCH_DONE) {
 		switch (state) {
 		case FETCH_CHECK_LOCAL:
 			sort_ref_list(&ref, ref_compare_name);
 			QSORT(sought, nr_sought, cmp_ref_by_name);
 
-			/* v2 supports these by default */
-			allow_unadvertised_object_request |= ALLOW_REACHABLE_SHA1;
-			use_sideband = 2;
-			if (args->depth > 0 || args->deepen_since || args->deepen_not)
-				args->deepen = 1;
-
 			/* Filter 'ref' by 'sought' and those that aren't local */
 			mark_complete_and_common_ref(negotiator, args, &ref);
 			filter_refs(args, &ref, sought, nr_sought);
@@ -2287,7 +2258,7 @@ void negotiate_using_fetch(const struct oid_array *negotiation_restrict_tips,
 					   the_repository, "%d",
 					   negotiation_round);
 		strbuf_reset(&req_buf);
-		write_fetch_command_and_capabilities(&req_buf, server_options);
+		write_command_and_capabilities(&req_buf, "fetch", server_options);
 
 		packet_buf_write(&req_buf, "wait-for-done");
 
diff --git a/fetch-pack.h b/fetch-pack.h
index 6d0dec7f41..5a428f11ed 100644
--- a/fetch-pack.h
+++ b/fetch-pack.h
@@ -16,6 +16,7 @@ struct fetch_pack_args {
 	const struct string_list *deepen_not;
 	struct list_objects_filter_options filter_options;
 	const struct string_list *server_options;
+	struct object_info *object_info_data;
 
 	/*
 	 * If not NULL, during packfile negotiation, fetch-pack will send "have"
@@ -43,6 +44,7 @@ struct fetch_pack_args {
 	unsigned reject_shallow_remote:1;
 	unsigned deepen:1;
 	unsigned refetch:1;
+	unsigned object_info:1;
 
 	/*
 	 * Indicate that the remote of this request is a promisor remote. The
diff --git a/git-compat-util.h b/git-compat-util.h
index 8809776407..4bf569f35c 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -975,6 +975,26 @@ static inline int strtoul_ui(char const *s, int base, unsigned int *result)
 	return 0;
 }
 
+/*
+ * Convert a string to an unsigned long using the standard library's strtoul,
+ * with additional error handling to ensure robustness.
+ */
+static inline int strtoul_ul(char const *s, int base, unsigned long *result)
+{
+	unsigned long ul;
+	char *p;
+
+	errno = 0;
+	/* negative values would be accepted by strtoul */
+	if (strchr(s, '-'))
+		return -1;
+	ul = strtoul(s, &p, base);
+	if (errno || *p || p == s)
+		return -1;
+	*result = ul;
+	return 0;
+}
+
 static inline int strtol_i(char const *s, int base, int *result)
 {
 	long ul;
diff --git a/meson.build b/meson.build
index 64720ca3c6..c8af04ef49 100644
--- a/meson.build
+++ b/meson.build
@@ -348,6 +348,7 @@ libgit_sources = [
   'exec-cmd.c',
   'fetch-negotiator.c',
   'fetch-pack.c',
+  'fetch-object-info.c',
   'fmt-merge-msg.c',
   'fsck.c',
   'fsmonitor.c',
diff --git a/object-file.c b/object-file.c
index 9afa842da2..ef31a47939 100644
--- a/object-file.c
+++ b/object-file.c
@@ -1694,3 +1694,13 @@ struct odb_transaction *odb_transaction_files_begin(struct odb_source *source)
 
 	return &transaction->base;
 }
+
+void free_object_info_contents(struct object_info *object_info)
+{
+	if (!object_info)
+		return;
+	free(object_info->typep);
+	free(object_info->sizep);
+	free(object_info->disk_sizep);
+	free(object_info->delta_base_oid);
+}
diff --git a/odb.h b/odb.h
index 0030467a52..168ea12da7 100644
--- a/odb.h
+++ b/odb.h
@@ -573,4 +573,7 @@ void parse_alternates(const char *string,
 		      const char *relative_base,
 		      struct strvec *out);
 
+/* Free pointers inside of object_info, but not object_info itself */
+void free_object_info_contents(struct object_info *object_info);
+
 #endif /* ODB_H */
diff --git a/serve.c b/serve.c
index 49a6e39b1d..2b07d922b3 100644
--- a/serve.c
+++ b/serve.c
@@ -89,7 +89,7 @@ static void session_id_receive(struct repository *r UNUSED,
 	trace2_data_string("transfer", NULL, "client-sid", client_sid);
 }
 
-static int object_info_advertise(struct repository *r, struct strbuf *value UNUSED)
+static int object_info_advertise(struct repository *r, struct strbuf *value)
 {
 	if (advertise_object_info == -1 &&
 	    repo_config_get_bool(r, "transfer.advertiseobjectinfo",
@@ -97,6 +97,9 @@ static int object_info_advertise(struct repository *r, struct strbuf *value UNUS
 		/* disabled by default */
 		advertise_object_info = 0;
 	}
+	/* Currently only size is supported */
+	if (value && advertise_object_info)
+		strbuf_addstr(value, "size");
 	return advertise_object_info;
 }
 
diff --git a/t/lib-cat-file.sh b/t/lib-cat-file.sh
new file mode 100644
index 0000000000..44af232d74
--- /dev/null
+++ b/t/lib-cat-file.sh
@@ -0,0 +1,16 @@
+# Library of git-cat-file related test functions.
+
+# Print a string without a trailing newline.
+echo_without_newline () {
+	printf '%s' "$*"
+}
+
+# Print a string without newlines and replace them with a NULL character (\0).
+echo_without_newline_nul () {
+	echo_without_newline "$@" | tr '\n' '\0'
+}
+
+# Calculate the length of a string.
+strlen () {
+	echo_without_newline "$1" | wc -c | sed -e 's/^ *//'
+}
diff --git a/t/meson.build b/t/meson.build
index 5dc48778f3..ab0edadff5 100644
--- a/t/meson.build
+++ b/t/meson.build
@@ -171,6 +171,7 @@ integration_tests = [
   't1014-read-tree-confusing.sh',
   't1015-read-index-unmerged.sh',
   't1016-compatObjectFormat.sh',
+  't1017-cat-file-remote-object-info.sh',
   't1020-subdirectory.sh',
   't1022-read-tree-partial-clone.sh',
   't1050-large.sh',
diff --git a/t/t1006-cat-file.sh b/t/t1006-cat-file.sh
index 8e2c52652c..8360f3bbd9 100755
--- a/t/t1006-cat-file.sh
+++ b/t/t1006-cat-file.sh
@@ -4,6 +4,7 @@ test_description='git cat-file'
 
 . ./test-lib.sh
 . "$TEST_DIRECTORY/lib-loose.sh"
+. "$TEST_DIRECTORY"/lib-cat-file.sh
 
 test_cmdmode_usage () {
 	test_expect_code 129 "$@" 2>err &&
@@ -99,18 +100,6 @@ do
 	'
 done
 
-echo_without_newline () {
-    printf '%s' "$*"
-}
-
-echo_without_newline_nul () {
-	echo_without_newline "$@" | tr '\n' '\0'
-}
-
-strlen () {
-    echo_without_newline "$1" | wc -c | sed -e 's/^ *//'
-}
-
 run_tests () {
     type=$1
     object_name="$2"
diff --git a/t/t1017-cat-file-remote-object-info.sh b/t/t1017-cat-file-remote-object-info.sh
new file mode 100755
index 0000000000..0a78aabf3b
--- /dev/null
+++ b/t/t1017-cat-file-remote-object-info.sh
@@ -0,0 +1,684 @@
+#!/bin/sh
+
+test_description='git cat-file --batch-command with remote-object-info command'
+
+GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
+export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
+
+. ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-cat-file.sh
+
+hello_content="Hello World"
+hello_size=$(strlen "$hello_content")
+hello_oid=$(echo_without_newline "$hello_content" | git hash-object --stdin)
+
+# This is how we get 13:
+# 13 = <file mode> + <a_space> + <file name> + <a_null>, where
+# file mode is 100644, which is 6 characters;
+# file name is hello, which is 5 characters
+# a space is 1 character and a null is 1 character
+tree_size=$(($(test_oid rawsz) + 13))
+
+commit_message="Initial commit"
+
+# This is how we get 137:
+# 137 = <tree header> + <a_space> + <a newline> +
+# <Author line> + <a newline> +
+# <Committer line> + <a newline> +
+# <a newline> +
+# <commit message length>
+# An easier way to calculate is: 1. use `git cat-file commit <commit hash> | wc -c`,
+# to get 177, 2. then deduct 40 hex characters to get 137
+commit_size=$(($(test_oid hexsz) + 137))
+
+tag_header_without_oid="type blob
+tag hellotag
+tagger $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>"
+tag_header_without_timestamp="object $hello_oid
+$tag_header_without_oid"
+tag_description="This is a tag"
+tag_content="$tag_header_without_timestamp 0 +0000
+
+$tag_description"
+
+tag_oid=$(echo_without_newline "$tag_content" | git hash-object -t tag --stdin -w)
+tag_size=$(strlen "$tag_content")
+
+set_transport_variables () {
+	hello_oid=$(echo_without_newline "$hello_content" | git hash-object --stdin)
+	tree_oid=$(git -C "$1" write-tree)
+	commit_oid=$(echo_without_newline "$commit_message" | git -C "$1" commit-tree $tree_oid)
+	tag_oid=$(echo_without_newline "$tag_content" | git -C "$1" hash-object -t tag --stdin -w)
+	tag_size=$(strlen "$tag_content")
+}
+
+# This section tests --batch-command with remote-object-info command
+# Since "%(objecttype)" is currently not supported by the command remote-object-info ,
+# the filters are set to "%(objectname) %(objectsize)" in some test cases.
+
+# Test --batch-command remote-object-info with 'git://' transport with
+# transfer.advertiseobjectinfo set to true, i.e. server has object-info capability
+. "$TEST_DIRECTORY"/lib-git-daemon.sh
+start_git_daemon --export-all --enable=receive-pack
+daemon_parent=$GIT_DAEMON_DOCUMENT_ROOT_PATH/parent
+
+test_expect_success 'create repo to be served by git-daemon' '
+	git init "$daemon_parent" &&
+	echo_without_newline "$hello_content" > $daemon_parent/hello &&
+	git -C "$daemon_parent" update-index --add hello &&
+	git -C "$daemon_parent" config transfer.advertiseobjectinfo true &&
+	git clone "$GIT_DAEMON_URL/parent" -n "$daemon_parent/daemon_client_empty"
+'
+
+test_expect_success 'batch-command remote-object-info git://' '
+	(
+		set_transport_variables "$daemon_parent" &&
+		cd "$daemon_parent/daemon_client_empty" &&
+
+		# These results prove remote-object-info can get object info from the remote
+		echo "$hello_oid $hello_size" >expect &&
+		echo "$tree_oid $tree_size" >>expect &&
+		echo "$commit_oid $commit_size" >>expect &&
+		echo "$tag_oid $tag_size" >>expect &&
+
+		# These results prove remote-object-info did not download objects from the remote
+		echo "$hello_oid missing" >>expect &&
+		echo "$tree_oid missing" >>expect &&
+		echo "$commit_oid missing" >>expect &&
+		echo "$tag_oid missing" >>expect &&
+
+		git cat-file --batch-command="%(objectname) %(objectsize)" >actual <<-EOF &&
+		remote-object-info "$GIT_DAEMON_URL/parent" $hello_oid
+		remote-object-info "$GIT_DAEMON_URL/parent" $tree_oid
+		remote-object-info "$GIT_DAEMON_URL/parent" $commit_oid
+		remote-object-info "$GIT_DAEMON_URL/parent" $tag_oid
+		info $hello_oid
+		info $tree_oid
+		info $commit_oid
+		info $tag_oid
+		EOF
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'batch-command remote-object-info git:// multiple sha1 per line' '
+	(
+		set_transport_variables "$daemon_parent" &&
+		cd "$daemon_parent/daemon_client_empty" &&
+
+		# These results prove remote-object-info can get object info from the remote
+		echo "$hello_oid $hello_size" >expect &&
+		echo "$tree_oid $tree_size" >>expect &&
+		echo "$commit_oid $commit_size" >>expect &&
+		echo "$tag_oid $tag_size" >>expect &&
+
+		# These results prove remote-object-info did not download objects from the remote
+		echo "$hello_oid missing" >>expect &&
+		echo "$tree_oid missing" >>expect &&
+		echo "$commit_oid missing" >>expect &&
+		echo "$tag_oid missing" >>expect &&
+
+		git cat-file --batch-command="%(objectname) %(objectsize)" >actual <<-EOF &&
+		remote-object-info "$GIT_DAEMON_URL/parent" $hello_oid $tree_oid $commit_oid $tag_oid
+		info $hello_oid
+		info $tree_oid
+		info $commit_oid
+		info $tag_oid
+		EOF
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'batch-command remote-object-info git:// default filter' '
+	(
+		set_transport_variables "$daemon_parent" &&
+		cd "$daemon_parent/daemon_client_empty" &&
+
+		echo "$hello_oid $hello_size" >expect &&
+		echo "$tree_oid $tree_size" >>expect &&
+		echo "$commit_oid $commit_size" >>expect &&
+		echo "$tag_oid $tag_size" >>expect &&
+		GIT_TRACE_PACKET=1 git cat-file --batch-command >actual <<-EOF &&
+		remote-object-info "$GIT_DAEMON_URL/parent" $hello_oid $tree_oid
+		remote-object-info "$GIT_DAEMON_URL/parent" $commit_oid $tag_oid
+		EOF
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'batch-command --buffer remote-object-info git://' '
+	(
+		set_transport_variables "$daemon_parent" &&
+		cd "$daemon_parent/daemon_client_empty" &&
+
+		# These results prove remote-object-info can get object info from the remote
+		echo "$hello_oid $hello_size" >expect &&
+		echo "$tree_oid $tree_size" >>expect &&
+		echo "$commit_oid $commit_size" >>expect &&
+		echo "$tag_oid $tag_size" >>expect &&
+
+		# These results prove remote-object-info did not download objects from the remote
+		echo "$hello_oid missing" >>expect &&
+		echo "$tree_oid missing" >>expect &&
+		echo "$commit_oid missing" >>expect &&
+		echo "$tag_oid missing" >>expect &&
+
+		git cat-file --batch-command="%(objectname) %(objectsize)" --buffer >actual <<-EOF &&
+		remote-object-info "$GIT_DAEMON_URL/parent" $hello_oid $tree_oid
+		remote-object-info "$GIT_DAEMON_URL/parent" $commit_oid $tag_oid
+		info $hello_oid
+		info $tree_oid
+		info $commit_oid
+		info $tag_oid
+		flush
+		EOF
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'batch-command -Z remote-object-info git:// default filter' '
+	(
+		set_transport_variables "$daemon_parent" &&
+		cd "$daemon_parent/daemon_client_empty" &&
+
+		printf "%s\0" "$hello_oid $hello_size" >expect &&
+		printf "%s\0" "$tree_oid $tree_size" >>expect &&
+		printf "%s\0" "$commit_oid $commit_size" >>expect &&
+		printf "%s\0" "$tag_oid $tag_size" >>expect &&
+
+		printf "%s\0" "$hello_oid missing" >>expect &&
+		printf "%s\0" "$tree_oid missing" >>expect &&
+		printf "%s\0" "$commit_oid missing" >>expect &&
+		printf "%s\0" "$tag_oid missing" >>expect &&
+
+		batch_input="remote-object-info $GIT_DAEMON_URL/parent $hello_oid $tree_oid
+remote-object-info $GIT_DAEMON_URL/parent $commit_oid $tag_oid
+info $hello_oid
+info $tree_oid
+info $commit_oid
+info $tag_oid
+" &&
+		echo_without_newline_nul "$batch_input" >commands_null_delimited &&
+
+		git cat-file --batch-command -Z < commands_null_delimited >actual &&
+		test_cmp expect actual
+	)
+'
+
+# This tests depends on %(objecttype) not being supported yet, once supported
+# it needs to be updated.
+test_expect_success 'unsupported placeholder on remote returns empty string' '
+	(
+		set_transport_variables "$daemon_parent" &&
+		cd "$daemon_parent/daemon_client_empty" &&
+
+		echo "" >expect &&
+
+		git cat-file --batch-command="%(objecttype)" >actual <<-EOF &&
+		remote-object-info "$GIT_DAEMON_URL/parent" $hello_oid
+		EOF
+		test_cmp expect actual
+	)
+'
+
+# Test --batch-command remote-object-info with 'git://' and
+# transfer.advertiseobjectinfo set to false, i.e. server does not have object-info capability
+test_expect_success 'batch-command remote-object-info git:// fails when transfer.advertiseobjectinfo=false' '
+	(
+		git -C "$daemon_parent" config transfer.advertiseobjectinfo false &&
+		set_transport_variables "$daemon_parent" &&
+
+		test_must_fail git cat-file --batch-command="%(objectname) %(objectsize)" 2>err <<-EOF &&
+		remote-object-info $GIT_DAEMON_URL/parent $hello_oid $tree_oid $commit_oid $tag_oid
+		EOF
+		test_grep "object-info capability is not enabled on the server" err &&
+
+		# revert server state back
+		git -C "$daemon_parent" config transfer.advertiseobjectinfo true
+
+	)
+'
+
+stop_git_daemon
+
+# Test --batch-command remote-object-info with 'file://' transport with
+# transfer.advertiseobjectinfo set to true, i.e. server has object-info capability
+# shellcheck disable=SC2016
+test_expect_success 'create repo to be served by file:// transport' '
+	git init server &&
+	git -C server config protocol.version 2 &&
+	git -C server config transfer.advertiseobjectinfo true &&
+	echo_without_newline "$hello_content" > server/hello &&
+	git -C server update-index --add hello &&
+	git clone -n "file://$(pwd)/server" file_client_empty
+'
+
+test_expect_success 'batch-command remote-object-info file://' '
+	(
+		set_transport_variables "server" &&
+		server_path="$(pwd)/server" &&
+		cd file_client_empty &&
+
+		# These results prove remote-object-info can get object info from the remote
+		echo "$hello_oid $hello_size" >expect &&
+		echo "$tree_oid $tree_size" >>expect &&
+		echo "$commit_oid $commit_size" >>expect &&
+		echo "$tag_oid $tag_size" >>expect &&
+
+		# These results prove remote-object-info did not download objects from the remote
+		echo "$hello_oid missing" >>expect &&
+		echo "$tree_oid missing" >>expect &&
+		echo "$commit_oid missing" >>expect &&
+		echo "$tag_oid missing" >>expect &&
+
+		git cat-file --batch-command="%(objectname) %(objectsize)" >actual <<-EOF &&
+		remote-object-info "file://${server_path}" $hello_oid
+		remote-object-info "file://${server_path}" $tree_oid
+		remote-object-info "file://${server_path}" $commit_oid
+		remote-object-info "file://${server_path}" $tag_oid
+		info $hello_oid
+		info $tree_oid
+		info $commit_oid
+		info $tag_oid
+		EOF
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'batch-command remote-object-info file:// multiple sha1 per line' '
+	(
+		set_transport_variables "server" &&
+		server_path="$(pwd)/server" &&
+		cd file_client_empty &&
+
+		# These results prove remote-object-info can get object info from the remote
+		echo "$hello_oid $hello_size" >expect &&
+		echo "$tree_oid $tree_size" >>expect &&
+		echo "$commit_oid $commit_size" >>expect &&
+		echo "$tag_oid $tag_size" >>expect &&
+
+		# These results prove remote-object-info did not download objects from the remote
+		echo "$hello_oid missing" >>expect &&
+		echo "$tree_oid missing" >>expect &&
+		echo "$commit_oid missing" >>expect &&
+		echo "$tag_oid missing" >>expect &&
+
+
+		git cat-file --batch-command="%(objectname) %(objectsize)" >actual <<-EOF &&
+		remote-object-info "file://${server_path}" $hello_oid $tree_oid $commit_oid $tag_oid
+		info $hello_oid
+		info $tree_oid
+		info $commit_oid
+		info $tag_oid
+		EOF
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'batch-command --buffer remote-object-info file://' '
+	(
+		set_transport_variables "server" &&
+		server_path="$(pwd)/server" &&
+		cd file_client_empty &&
+
+		# These results prove remote-object-info can get object info from the remote
+		echo "$hello_oid $hello_size" >expect &&
+		echo "$tree_oid $tree_size" >>expect &&
+		echo "$commit_oid $commit_size" >>expect &&
+		echo "$tag_oid $tag_size" >>expect &&
+
+		# These results prove remote-object-info did not download objects from the remote
+		echo "$hello_oid missing" >>expect &&
+		echo "$tree_oid missing" >>expect &&
+		echo "$commit_oid missing" >>expect &&
+		echo "$tag_oid missing" >>expect &&
+
+		git cat-file --batch-command="%(objectname) %(objectsize)" --buffer >actual <<-EOF &&
+		remote-object-info "file://${server_path}" $hello_oid $tree_oid
+		remote-object-info "file://${server_path}" $commit_oid $tag_oid
+		info $hello_oid
+		info $tree_oid
+		info $commit_oid
+		info $tag_oid
+		flush
+		EOF
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'batch-command remote-object-info file:// default filter' '
+	(
+		set_transport_variables "server" &&
+		server_path="$(pwd)/server" &&
+		cd file_client_empty &&
+
+		echo "$hello_oid $hello_size" >expect &&
+		echo "$tree_oid $tree_size" >>expect &&
+		echo "$commit_oid $commit_size" >>expect &&
+		echo "$tag_oid $tag_size" >>expect &&
+
+		git cat-file --batch-command >actual <<-EOF &&
+		remote-object-info "file://${server_path}" $hello_oid $tree_oid
+		remote-object-info "file://${server_path}" $commit_oid $tag_oid
+		EOF
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'batch-command -Z remote-object-info file:// default filter' '
+	(
+		set_transport_variables "server" &&
+		server_path="$(pwd)/server" &&
+		cd file_client_empty &&
+
+		printf "%s\0" "$hello_oid $hello_size" >expect &&
+		printf "%s\0" "$tree_oid $tree_size" >>expect &&
+		printf "%s\0" "$commit_oid $commit_size" >>expect &&
+		printf "%s\0" "$tag_oid $tag_size" >>expect &&
+
+		printf "%s\0" "$hello_oid missing" >>expect &&
+		printf "%s\0" "$tree_oid missing" >>expect &&
+		printf "%s\0" "$commit_oid missing" >>expect &&
+		printf "%s\0" "$tag_oid missing" >>expect &&
+
+		batch_input="remote-object-info \"file://${server_path}\" $hello_oid $tree_oid
+remote-object-info \"file://${server_path}\" $commit_oid $tag_oid
+info $hello_oid
+info $tree_oid
+info $commit_oid
+info $tag_oid
+" &&
+		echo_without_newline_nul "$batch_input" >commands_null_delimited &&
+
+		git cat-file --batch-command -Z < commands_null_delimited >actual &&
+		test_cmp expect actual
+	)
+'
+
+# Test --batch-command remote-object-info with 'file://' and
+# transfer.advertiseobjectinfo set to false, i.e. server does not have object-info capability
+test_expect_success 'batch-command remote-object-info file:// fails when transfer.advertiseobjectinfo=false' '
+	(
+		set_transport_variables "server" &&
+		server_path="$(pwd)/server" &&
+		git -C "${server_path}" config transfer.advertiseobjectinfo false &&
+
+		test_must_fail git cat-file --batch-command="%(objectname) %(objectsize)" 2>err <<-EOF &&
+		remote-object-info "file://${server_path}" $hello_oid $tree_oid $commit_oid $tag_oid
+		EOF
+		test_grep "object-info capability is not enabled on the server" err &&
+
+		# revert server state back
+		git -C "${server_path}" config transfer.advertiseobjectinfo true
+	)
+'
+
+# Test --batch-command remote-object-info with 'http://' transport with
+# transfer.advertiseobjectinfo set to true, i.e. server has object-info capability
+
+. "$TEST_DIRECTORY"/lib-httpd.sh
+start_httpd
+
+test_expect_success 'create repo to be served by http:// transport' '
+	git init "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+	git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" config http.receivepack true &&
+	git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" config transfer.advertiseobjectinfo true &&
+	echo_without_newline "$hello_content" > $HTTPD_DOCUMENT_ROOT_PATH/http_parent/hello &&
+	git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" update-index --add hello &&
+	git clone "$HTTPD_URL/smart/http_parent" -n "$HTTPD_DOCUMENT_ROOT_PATH/http_client_empty"
+'
+
+test_expect_success 'batch-command remote-object-info http://' '
+	(
+		set_transport_variables "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		cd "$HTTPD_DOCUMENT_ROOT_PATH/http_client_empty" &&
+
+		# These results prove remote-object-info can get object info from the remote
+		echo "$hello_oid $hello_size" >expect &&
+		echo "$tree_oid $tree_size" >>expect &&
+		echo "$commit_oid $commit_size" >>expect &&
+		echo "$tag_oid $tag_size" >>expect &&
+
+		# These results prove remote-object-info did not download objects from the remote
+		echo "$hello_oid missing" >>expect &&
+		echo "$tree_oid missing" >>expect &&
+		echo "$commit_oid missing" >>expect &&
+		echo "$tag_oid missing" >>expect &&
+
+		git cat-file --batch-command="%(objectname) %(objectsize)" >actual <<-EOF &&
+		remote-object-info "$HTTPD_URL/smart/http_parent" $hello_oid
+		remote-object-info "$HTTPD_URL/smart/http_parent" $tree_oid
+		remote-object-info "$HTTPD_URL/smart/http_parent" $commit_oid
+		remote-object-info "$HTTPD_URL/smart/http_parent" $tag_oid
+		info $hello_oid
+		info $tree_oid
+		info $commit_oid
+		info $tag_oid
+		EOF
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'batch-command remote-object-info http:// one line' '
+	(
+		set_transport_variables "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		cd "$HTTPD_DOCUMENT_ROOT_PATH/http_client_empty" &&
+
+		# These results prove remote-object-info can get object info from the remote
+		echo "$hello_oid $hello_size" >expect &&
+		echo "$tree_oid $tree_size" >>expect &&
+		echo "$commit_oid $commit_size" >>expect &&
+		echo "$tag_oid $tag_size" >>expect &&
+
+		# These results prove remote-object-info did not download objects from the remote
+		echo "$hello_oid missing" >>expect &&
+		echo "$tree_oid missing" >>expect &&
+		echo "$commit_oid missing" >>expect &&
+		echo "$tag_oid missing" >>expect &&
+
+		git cat-file --batch-command="%(objectname) %(objectsize)" >actual <<-EOF &&
+		remote-object-info "$HTTPD_URL/smart/http_parent" $hello_oid $tree_oid $commit_oid $tag_oid
+		info $hello_oid
+		info $tree_oid
+		info $commit_oid
+		info $tag_oid
+		EOF
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'batch-command --buffer remote-object-info http://' '
+	(
+		set_transport_variables "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		cd "$HTTPD_DOCUMENT_ROOT_PATH/http_client_empty" &&
+
+		# These results prove remote-object-info can get object info from the remote
+		echo "$hello_oid $hello_size" >expect &&
+		echo "$tree_oid $tree_size" >>expect &&
+		echo "$commit_oid $commit_size" >>expect &&
+		echo "$tag_oid $tag_size" >>expect &&
+
+		# These results prove remote-object-info did not download objects from the remote
+		echo "$hello_oid missing" >>expect &&
+		echo "$tree_oid missing" >>expect &&
+		echo "$commit_oid missing" >>expect &&
+		echo "$tag_oid missing" >>expect &&
+
+		git cat-file --batch-command="%(objectname) %(objectsize)" --buffer >actual <<-EOF &&
+		remote-object-info "$HTTPD_URL/smart/http_parent" $hello_oid $tree_oid
+		remote-object-info "$HTTPD_URL/smart/http_parent" $commit_oid $tag_oid
+		info $hello_oid
+		info $tree_oid
+		info $commit_oid
+		info $tag_oid
+		flush
+		EOF
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'batch-command remote-object-info http:// default filter' '
+	(
+		set_transport_variables "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		cd "$HTTPD_DOCUMENT_ROOT_PATH/http_client_empty" &&
+
+		echo "$hello_oid $hello_size" >expect &&
+		echo "$tree_oid $tree_size" >>expect &&
+		echo "$commit_oid $commit_size" >>expect &&
+		echo "$tag_oid $tag_size" >>expect &&
+
+		git cat-file --batch-command >actual <<-EOF &&
+		remote-object-info "$HTTPD_URL/smart/http_parent" $hello_oid $tree_oid
+		remote-object-info "$HTTPD_URL/smart/http_parent" $commit_oid $tag_oid
+		EOF
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'batch-command -Z remote-object-info http:// default filter' '
+	(
+		set_transport_variables "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		cd "$HTTPD_DOCUMENT_ROOT_PATH/http_client_empty" &&
+
+		printf "%s\0" "$hello_oid $hello_size" >expect &&
+		printf "%s\0" "$tree_oid $tree_size" >>expect &&
+		printf "%s\0" "$commit_oid $commit_size" >>expect &&
+		printf "%s\0" "$tag_oid $tag_size" >>expect &&
+
+		batch_input="remote-object-info $HTTPD_URL/smart/http_parent $hello_oid $tree_oid
+remote-object-info $HTTPD_URL/smart/http_parent $commit_oid $tag_oid
+" &&
+		echo_without_newline_nul "$batch_input" >commands_null_delimited &&
+
+		git cat-file --batch-command -Z < commands_null_delimited >actual &&
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'remote-object-info fails on unspported filter option (objectsize:disk)' '
+	(
+		set_transport_variables "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		cd "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+
+		echo "$hello_oid " >expect &&
+
+		git cat-file --batch-command="%(objectname) %(objectsize:disk)" >actual <<-EOF &&
+		remote-object-info "$HTTPD_URL/smart/http_parent" $hello_oid
+		EOF
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'remote-object-info fails on unspported filter option (deltabase)' '
+	(
+		set_transport_variables "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		cd "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+
+		echo "" >expect &&
+
+		git cat-file --batch-command="%(deltabase)" >actual <<-EOF &&
+		remote-object-info "$HTTPD_URL/smart/http_parent" $hello_oid
+		EOF
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'remote-object-info fails on server with legacy protocol' '
+	(
+		set_transport_variables "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		cd "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+
+		test_must_fail git -c protocol.version=0 cat-file --batch-command="%(objectname) %(objectsize)" 2>err <<-EOF &&
+		remote-object-info "$HTTPD_URL/smart/http_parent" $hello_oid
+		EOF
+		test_grep "remote-object-info requires protocol v2" err
+	)
+'
+
+test_expect_success 'remote-object-info fails on server with legacy protocol with default filter' '
+	(
+		set_transport_variables "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		cd "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+
+		test_must_fail git -c protocol.version=0 cat-file --batch-command 2>err <<-EOF &&
+		remote-object-info "$HTTPD_URL/smart/http_parent" $hello_oid
+		EOF
+		test_grep "remote-object-info requires protocol v2" err
+	)
+'
+
+test_expect_success 'remote-object-info fails on malformed OID' '
+	(
+		set_transport_variables "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		cd "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		malformed_object_id="this_id_is_not_valid" &&
+
+		test_must_fail git cat-file --batch-command="%(objectname) %(objectsize)" 2>err <<-EOF &&
+		remote-object-info "$HTTPD_URL/smart/http_parent" $malformed_object_id
+		EOF
+		test_grep "Not a valid object name '$malformed_object_id'" err
+	)
+'
+
+test_expect_success 'remote-object-info fails on malformed OID with default filter' '
+	(
+		set_transport_variables "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		cd "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		malformed_object_id="this_id_is_not_valid" &&
+
+		test_must_fail git cat-file --batch-command 2>err <<-EOF &&
+		remote-object-info "$HTTPD_URL/smart/http_parent" $malformed_object_id
+		EOF
+		test_grep "Not a valid object name '$malformed_object_id'" err
+	)
+'
+
+test_expect_success 'remote-object-info fails on missing OID' '
+	(
+		set_transport_variables "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		git clone "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" missing_oid_repo &&
+		test_commit -C missing_oid_repo message1 c.txt &&
+		cd missing_oid_repo &&
+
+		object_id=$(git rev-parse message1:c.txt) &&
+		test_must_fail git cat-file --batch-command="%(objectname) %(objectsize)" 2>err <<-EOF &&
+		remote-object-info "$HTTPD_URL/smart/http_parent" $object_id
+		EOF
+		test_grep "object-info: server does not recognize object $object_id" err
+	)
+'
+
+test_expect_success 'remote-object-info fails on not providing OID' '
+	(
+		set_transport_variables "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		cd "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+
+		test_must_fail git cat-file --batch-command="%(objectname) %(objectsize)" 2>err <<-EOF &&
+		remote-object-info "$HTTPD_URL/smart/http_parent"
+		EOF
+		test_grep "remote-object-info requires objects" err
+	)
+'
+
+
+# Test --batch-command remote-object-info with 'http://' transport and
+# transfer.advertiseobjectinfo set to false, i.e. server does not have object-info capability
+test_expect_success 'batch-command remote-object-info http:// fails when transfer.advertiseobjectinfo=false ' '
+	(
+		set_transport_variables "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" config transfer.advertiseobjectinfo false &&
+
+		test_must_fail git cat-file --batch-command="%(objectname) %(objectsize)" 2>err <<-EOF &&
+		remote-object-info "$HTTPD_URL/smart/http_parent" $hello_oid $tree_oid $commit_oid $tag_oid
+		EOF
+		test_grep "object-info capability is not enabled on the server" err &&
+
+		# revert server state back
+		git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" config transfer.advertiseobjectinfo true
+	)
+'
+
+# DO NOT add non-httpd-specific tests here, because the last part of this
+# test script is only executed when httpd is available and enabled.
+
+test_done
diff --git a/transport-helper.c b/transport-helper.c
index 80f90eb7ba..c77599f6fb 100644
--- a/transport-helper.c
+++ b/transport-helper.c
@@ -266,9 +266,9 @@ static int disconnect_helper(struct transport *transport)
 		close(data->helper->out);
 		fclose(data->out);
 		res = finish_command(data->helper);
-		FREE_AND_NULL(data->name);
 		FREE_AND_NULL(data->helper);
 	}
+	FREE_AND_NULL(data->name);
 	return res;
 }
 
@@ -727,8 +727,8 @@ static int fetch_refs(struct transport *transport,
 
 	/*
 	 * If we reach here, then the server, the client, and/or the transport
-	 * helper does not support protocol v2. --negotiate-only requires
-	 * protocol v2.
+	 * helper does not support protocol v2. --negotiate-only and cat-file
+	 * remote-object-info require protocol v2.
 	 */
 	if (data->transport_options.acked_commits) {
 		warning(_("--negotiate-only requires protocol v2"));
@@ -744,6 +744,13 @@ static int fetch_refs(struct transport *transport,
 		free_refs(dummy);
 	}
 
+	/* fail the command explicitly to avoid further commands input. */
+	if (transport->smart_options->object_info)
+		die(_("remote-object-info requires protocol v2"));
+
+	if (!data->get_refs_list_called)
+		get_refs_list_using_list(transport, 0);
+
 	count = 0;
 	for (i = 0; i < nr_heads; i++)
 		if (!(to_fetch[i]->status & REF_STATUS_UPTODATE))
diff --git a/transport.c b/transport.c
index fc144f0aed..7b66c53d20 100644
--- a/transport.c
+++ b/transport.c
@@ -9,6 +9,7 @@
 #include "hook.h"
 #include "pkt-line.h"
 #include "fetch-pack.h"
+#include "fetch-object-info.h"
 #include "remote.h"
 #include "connect.h"
 #include "send-pack.h"
@@ -467,8 +468,33 @@ static int fetch_refs_via_pack(struct transport *transport,
 	args.negotiation_restrict_tips = data->options.negotiation_restrict_tips;
 	args.negotiation_include_tips = data->options.negotiation_include_tips;
 	args.reject_shallow_remote = transport->smart_options->reject_shallow;
+	args.object_info = transport->smart_options->object_info;
 
-	if (!data->finished_handshake) {
+	if (transport->smart_options->object_info &&
+	    transport->smart_options->object_info_oids->nr > 0) {
+		struct packet_reader reader;
+		struct object_info_args obj_info_args = { 0 };
+
+		obj_info_args.server_options = transport->server_options;
+		obj_info_args.oids = transport->smart_options->object_info_oids;
+		obj_info_args.object_info_options = transport->smart_options->object_info_options;
+		string_list_sort(obj_info_args.object_info_options);
+
+		connect_setup(transport, 0);
+		packet_reader_init(&reader, data->fd[0], NULL, 0,
+				PACKET_READ_CHOMP_NEWLINE |
+				PACKET_READ_GENTLE_ON_EOF |
+				PACKET_READ_DIE_ON_ERR_PACKET);
+
+		data->version = discover_version(&reader);
+		transport->hash_algo = reader.hash_algo;
+
+		ret = fetch_object_info(data->version, &obj_info_args, &reader,
+					data->options.object_info_data, transport->stateless_rpc,
+					data->fd[1]);
+		goto cleanup;
+
+	} else if (!data->finished_handshake) {
 		int i;
 		int must_list_refs = 0;
 		for (i = 0; i < nr_heads; i++) {
diff --git a/transport.h b/transport.h
index 7e5867cffa..bd60b10af4 100644
--- a/transport.h
+++ b/transport.h
@@ -6,6 +6,7 @@
 #include "list-objects-filter-options.h"
 #include "string-list.h"
 #include "connect.h"
+#include "odb.h"
 
 struct git_transport_options {
 	unsigned thin : 1;
@@ -31,6 +32,12 @@ struct git_transport_options {
 	 */
 	unsigned connectivity_checked:1;
 
+	/*
+	 * Transport will attempt to retrieve only object-info.
+	 * If object-info is not supported, the operation will error and exit.
+	 */
+	unsigned object_info : 1;
+
 	int depth;
 	const char *deepen_since;
 	const struct string_list *deepen_not;
@@ -55,6 +62,10 @@ struct git_transport_options {
 	 * common commits to this oidset instead of fetching any packfiles.
 	 */
 	struct oidset *acked_commits;
+
+	struct oid_array *object_info_oids;
+	struct object_info *object_info_data;
+	struct string_list *object_info_options;
 };
 
 enum transport_family {