diff --git a/Cargo.lock b/Cargo.lock
index 051831ae..0fcf17d8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1724,6 +1724,7 @@ dependencies = [
  "gix",
  "line-numbers",
  "prost",
+ "prost-types",
  "rustc-hash",
  "tempfile",
  "tokio",
@@ -4110,9 +4111,9 @@ dependencies = [
 
 [[package]]
 name = "prost"
-version = "0.14.3"
+version = "0.14.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2ea70524a2f82d518bce41317d0fae74151505651af45faf1ffbd6fd33f0568"
+checksum = "528ac67416ff8646872a3c02cad9cc4ee5dc9f9540c9b10771855c95cb2e5ae1"
 dependencies = [
  "bytes",
  "prost-derive",
@@ -4141,9 +4142,9 @@ dependencies = [
 
 [[package]]
 name = "prost-derive"
-version = "0.14.3"
+version = "0.14.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "27c6023962132f4b30eb4c172c91ce92d933da334c59c23cddee82358ddafb0b"
+checksum = "b570b25f7617e43d59005d0990ccb79e950a423952cea19671b7a876da390adf"
 dependencies = [
  "anyhow",
  "itertools 0.14.0",
@@ -4221,9 +4222,9 @@ dependencies = [
 
 [[package]]
 name = "prost-types"
-version = "0.14.3"
+version = "0.14.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8991c4cbdb8bc5b11f0b074ffe286c30e523de90fee5ba8132f1399f23cb3dd7"
+checksum = "f94967dc7688f3054c7fac87473ffae4cc4c3904800e2d9f5b857246d8963b0a"
 dependencies = [
  "prost",
 ]
diff --git a/gitmirror/Cargo.toml b/gitmirror/Cargo.toml
index 908bb1ee..d0b65979 100644
--- a/gitmirror/Cargo.toml
+++ b/gitmirror/Cargo.toml
@@ -18,6 +18,7 @@ tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 line-numbers = "0.4.0"
 rustc-hash = "2.1.2"
 gix = { version = "0.84", features = ["parallel", "blob-diff", "merge", "sha1", "sha256", "revision", "tree-editor"] }
+prost-types = "0.14.4"
 
 [build-dependencies]
 tonic-prost-build = { workspace = true }
diff --git a/gitmirror/proto/gen/gitmirror.pb.go b/gitmirror/proto/gen/gitmirror.pb.go
index 569923fe..9c10cec9 100644
--- a/gitmirror/proto/gen/gitmirror.pb.go
+++ b/gitmirror/proto/gen/gitmirror.pb.go
@@ -9,6 +9,7 @@ package gitmirrorv1
 import (
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
 	reflect "reflect"
 	sync "sync"
 	unsafe "unsafe"
@@ -75,6 +76,154 @@ func (x *GetBlobRequest) GetOid() string {
 	return ""
 }
 
+type CommitLogRequest struct {
+	state protoimpl.MessageState `protogen:"open.v1"`
+	// repo DID
+	Repo string `protobuf:"bytes,1,opt,name=repo,proto3" json:"repo,omitempty"`
+	// Ranges to include in the git log (revspec, "A..B", "A...B", etc.).
+	// At least one range, or all_refs must be specified.
+	Ranges [][]byte `protobuf:"bytes,2,rep,name=ranges,proto3" json:"ranges,omitempty"`
+	// If true, all refs are searched for commits.
+	// Must not be true when ranges are given.
+	AllRefs bool `protobuf:"varint,3,opt,name=all_refs,json=allRefs,proto3" json:"all_refs,omitempty"`
+	// After is an optional parameter to specify the earliest commit to consider.
+	After *timestamppb.Timestamp `protobuf:"bytes,4,opt,name=after,proto3" json:"after,omitempty"`
+	// Before is an optional parameter to specify the latest commit to consider.
+	Before *timestamppb.Timestamp `protobuf:"bytes,5,opt,name=before,proto3" json:"before,omitempty"`
+	// MaxCommits is an optional parameter to specify the maximum number of commits
+	// to return. If max_commits is 0, all commits that match the criteria will be
+	// returned.
+	MaxCommits uint32 `protobuf:"varint,6,opt,name=max_commits,json=maxCommits,proto3" json:"max_commits,omitempty"`
+	// Skip is an optional parameter to specify the number of commits to skip.
+	// This can be used to implement a poor mans pagination.
+	Skip          uint32 `protobuf:"varint,7,opt,name=skip,proto3" json:"skip,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *CommitLogRequest) Reset() {
+	*x = CommitLogRequest{}
+	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[1]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *CommitLogRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CommitLogRequest) ProtoMessage() {}
+
+func (x *CommitLogRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[1]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CommitLogRequest.ProtoReflect.Descriptor instead.
+func (*CommitLogRequest) Descriptor() ([]byte, []int) {
+	return file_gitmirror_v1_gitmirror_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *CommitLogRequest) GetRepo() string {
+	if x != nil {
+		return x.Repo
+	}
+	return ""
+}
+
+func (x *CommitLogRequest) GetRanges() [][]byte {
+	if x != nil {
+		return x.Ranges
+	}
+	return nil
+}
+
+func (x *CommitLogRequest) GetAllRefs() bool {
+	if x != nil {
+		return x.AllRefs
+	}
+	return false
+}
+
+func (x *CommitLogRequest) GetAfter() *timestamppb.Timestamp {
+	if x != nil {
+		return x.After
+	}
+	return nil
+}
+
+func (x *CommitLogRequest) GetBefore() *timestamppb.Timestamp {
+	if x != nil {
+		return x.Before
+	}
+	return nil
+}
+
+func (x *CommitLogRequest) GetMaxCommits() uint32 {
+	if x != nil {
+		return x.MaxCommits
+	}
+	return 0
+}
+
+func (x *CommitLogRequest) GetSkip() uint32 {
+	if x != nil {
+		return x.Skip
+	}
+	return 0
+}
+
+type CommitLogResponse struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Commits       []*GitCommit           `protobuf:"bytes,1,rep,name=commits,proto3" json:"commits,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *CommitLogResponse) Reset() {
+	*x = CommitLogResponse{}
+	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[2]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *CommitLogResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CommitLogResponse) ProtoMessage() {}
+
+func (x *CommitLogResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[2]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CommitLogResponse.ProtoReflect.Descriptor instead.
+func (*CommitLogResponse) Descriptor() ([]byte, []int) {
+	return file_gitmirror_v1_gitmirror_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *CommitLogResponse) GetCommits() []*GitCommit {
+	if x != nil {
+		return x.Commits
+	}
+	return nil
+}
+
 // One chunk of a blob's raw bytes; concatenate in arrival order.
 type BlobChunk struct {
 	state         protoimpl.MessageState `protogen:"open.v1"`
@@ -85,7 +234,7 @@ type BlobChunk struct {
 
 func (x *BlobChunk) Reset() {
 	*x = BlobChunk{}
-	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[1]
+	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[3]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -97,7 +246,7 @@ func (x *BlobChunk) String() string {
 func (*BlobChunk) ProtoMessage() {}
 
 func (x *BlobChunk) ProtoReflect() protoreflect.Message {
-	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[1]
+	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[3]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -110,7 +259,7 @@ func (x *BlobChunk) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use BlobChunk.ProtoReflect.Descriptor instead.
 func (*BlobChunk) Descriptor() ([]byte, []int) {
-	return file_gitmirror_v1_gitmirror_proto_rawDescGZIP(), []int{1}
+	return file_gitmirror_v1_gitmirror_proto_rawDescGZIP(), []int{3}
 }
 
 func (x *BlobChunk) GetData() []byte {
@@ -131,7 +280,7 @@ type CommitsRequest struct {
 
 func (x *CommitsRequest) Reset() {
 	*x = CommitsRequest{}
-	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[2]
+	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[4]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -143,7 +292,7 @@ func (x *CommitsRequest) String() string {
 func (*CommitsRequest) ProtoMessage() {}
 
 func (x *CommitsRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[2]
+	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[4]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -156,7 +305,7 @@ func (x *CommitsRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use CommitsRequest.ProtoReflect.Descriptor instead.
 func (*CommitsRequest) Descriptor() ([]byte, []int) {
-	return file_gitmirror_v1_gitmirror_proto_rawDescGZIP(), []int{2}
+	return file_gitmirror_v1_gitmirror_proto_rawDescGZIP(), []int{4}
 }
 
 func (x *CommitsRequest) GetRepo() string {
@@ -181,7 +330,7 @@ type CommitsOptions struct {
 
 func (x *CommitsOptions) Reset() {
 	*x = CommitsOptions{}
-	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[3]
+	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[5]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -193,7 +342,7 @@ func (x *CommitsOptions) String() string {
 func (*CommitsOptions) ProtoMessage() {}
 
 func (x *CommitsOptions) ProtoReflect() protoreflect.Message {
-	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[3]
+	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[5]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -206,7 +355,7 @@ func (x *CommitsOptions) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use CommitsOptions.ProtoReflect.Descriptor instead.
 func (*CommitsOptions) Descriptor() ([]byte, []int) {
-	return file_gitmirror_v1_gitmirror_proto_rawDescGZIP(), []int{3}
+	return file_gitmirror_v1_gitmirror_proto_rawDescGZIP(), []int{5}
 }
 
 type CommitsResponse struct {
@@ -219,7 +368,7 @@ type CommitsResponse struct {
 
 func (x *CommitsResponse) Reset() {
 	*x = CommitsResponse{}
-	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[4]
+	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[6]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -231,7 +380,7 @@ func (x *CommitsResponse) String() string {
 func (*CommitsResponse) ProtoMessage() {}
 
 func (x *CommitsResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[4]
+	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[6]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -244,7 +393,7 @@ func (x *CommitsResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use CommitsResponse.ProtoReflect.Descriptor instead.
 func (*CommitsResponse) Descriptor() ([]byte, []int) {
-	return file_gitmirror_v1_gitmirror_proto_rawDescGZIP(), []int{4}
+	return file_gitmirror_v1_gitmirror_proto_rawDescGZIP(), []int{6}
 }
 
 func (x *CommitsResponse) GetCommits() []string {
@@ -267,7 +416,7 @@ type DiffRequest struct {
 
 func (x *DiffRequest) Reset() {
 	*x = DiffRequest{}
-	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[5]
+	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[7]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -279,7 +428,7 @@ func (x *DiffRequest) String() string {
 func (*DiffRequest) ProtoMessage() {}
 
 func (x *DiffRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[5]
+	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[7]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -292,7 +441,7 @@ func (x *DiffRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DiffRequest.ProtoReflect.Descriptor instead.
 func (*DiffRequest) Descriptor() ([]byte, []int) {
-	return file_gitmirror_v1_gitmirror_proto_rawDescGZIP(), []int{5}
+	return file_gitmirror_v1_gitmirror_proto_rawDescGZIP(), []int{7}
 }
 
 func (x *DiffRequest) GetRepo() string {
@@ -331,7 +480,7 @@ type InterdiffRequest struct {
 
 func (x *InterdiffRequest) Reset() {
 	*x = InterdiffRequest{}
-	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[6]
+	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[8]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -343,7 +492,7 @@ func (x *InterdiffRequest) String() string {
 func (*InterdiffRequest) ProtoMessage() {}
 
 func (x *InterdiffRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[6]
+	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[8]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -356,7 +505,7 @@ func (x *InterdiffRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use InterdiffRequest.ProtoReflect.Descriptor instead.
 func (*InterdiffRequest) Descriptor() ([]byte, []int) {
-	return file_gitmirror_v1_gitmirror_proto_rawDescGZIP(), []int{6}
+	return file_gitmirror_v1_gitmirror_proto_rawDescGZIP(), []int{8}
 }
 
 func (x *InterdiffRequest) GetRepo() string {
@@ -407,7 +556,7 @@ type FileContent struct {
 
 func (x *FileContent) Reset() {
 	*x = FileContent{}
-	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[7]
+	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[9]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -419,7 +568,7 @@ func (x *FileContent) String() string {
 func (*FileContent) ProtoMessage() {}
 
 func (x *FileContent) ProtoReflect() protoreflect.Message {
-	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[7]
+	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[9]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -432,7 +581,7 @@ func (x *FileContent) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use FileContent.ProtoReflect.Descriptor instead.
 func (*FileContent) Descriptor() ([]byte, []int) {
-	return file_gitmirror_v1_gitmirror_proto_rawDescGZIP(), []int{7}
+	return file_gitmirror_v1_gitmirror_proto_rawDescGZIP(), []int{9}
 }
 
 func (x *FileContent) GetPath() string {
@@ -481,7 +630,7 @@ type LinePair struct {
 
 func (x *LinePair) Reset() {
 	*x = LinePair{}
-	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[8]
+	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[10]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -493,7 +642,7 @@ func (x *LinePair) String() string {
 func (*LinePair) ProtoMessage() {}
 
 func (x *LinePair) ProtoReflect() protoreflect.Message {
-	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[8]
+	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[10]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -506,7 +655,7 @@ func (x *LinePair) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use LinePair.ProtoReflect.Descriptor instead.
 func (*LinePair) Descriptor() ([]byte, []int) {
-	return file_gitmirror_v1_gitmirror_proto_rawDescGZIP(), []int{8}
+	return file_gitmirror_v1_gitmirror_proto_rawDescGZIP(), []int{10}
 }
 
 func (x *LinePair) GetLhs() uint32 {
@@ -535,7 +684,7 @@ type Hunk struct {
 
 func (x *Hunk) Reset() {
 	*x = Hunk{}
-	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[9]
+	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[11]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -547,7 +696,7 @@ func (x *Hunk) String() string {
 func (*Hunk) ProtoMessage() {}
 
 func (x *Hunk) ProtoReflect() protoreflect.Message {
-	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[9]
+	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[11]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -560,7 +709,7 @@ func (x *Hunk) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Hunk.ProtoReflect.Descriptor instead.
 func (*Hunk) Descriptor() ([]byte, []int) {
-	return file_gitmirror_v1_gitmirror_proto_rawDescGZIP(), []int{9}
+	return file_gitmirror_v1_gitmirror_proto_rawDescGZIP(), []int{11}
 }
 
 func (x *Hunk) GetNovelLhs() []uint32 {
@@ -595,7 +744,7 @@ type ByteChanges struct {
 
 func (x *ByteChanges) Reset() {
 	*x = ByteChanges{}
-	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[10]
+	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[12]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -607,7 +756,7 @@ func (x *ByteChanges) String() string {
 func (*ByteChanges) ProtoMessage() {}
 
 func (x *ByteChanges) ProtoReflect() protoreflect.Message {
-	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[10]
+	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[12]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -620,7 +769,7 @@ func (x *ByteChanges) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ByteChanges.ProtoReflect.Descriptor instead.
 func (*ByteChanges) Descriptor() ([]byte, []int) {
-	return file_gitmirror_v1_gitmirror_proto_rawDescGZIP(), []int{10}
+	return file_gitmirror_v1_gitmirror_proto_rawDescGZIP(), []int{12}
 }
 
 func (x *ByteChanges) GetLhs() uint64 {
@@ -650,7 +799,7 @@ type FileDiff struct {
 
 func (x *FileDiff) Reset() {
 	*x = FileDiff{}
-	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[11]
+	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[13]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -662,7 +811,7 @@ func (x *FileDiff) String() string {
 func (*FileDiff) ProtoMessage() {}
 
 func (x *FileDiff) ProtoReflect() protoreflect.Message {
-	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[11]
+	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[13]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -675,7 +824,7 @@ func (x *FileDiff) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use FileDiff.ProtoReflect.Descriptor instead.
 func (*FileDiff) Descriptor() ([]byte, []int) {
-	return file_gitmirror_v1_gitmirror_proto_rawDescGZIP(), []int{11}
+	return file_gitmirror_v1_gitmirror_proto_rawDescGZIP(), []int{13}
 }
 
 func (x *FileDiff) GetLhsSrc() *FileContent {
@@ -713,14 +862,161 @@ func (x *FileDiff) GetHasSyntacticChanges() bool {
 	return false
 }
 
+type GitCommit struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Oid           string                 `protobuf:"bytes,1,opt,name=oid,proto3" json:"oid,omitempty"`
+	Author        *GitSignature          `protobuf:"bytes,2,opt,name=author,proto3" json:"author,omitempty"`
+	Committer     *GitSignature          `protobuf:"bytes,3,opt,name=committer,proto3" json:"committer,omitempty"`
+	Message       []byte                 `protobuf:"bytes,4,opt,name=message,proto3" json:"message,omitempty"`
+	Parents       []string               `protobuf:"bytes,5,rep,name=parents,proto3" json:"parents,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *GitCommit) Reset() {
+	*x = GitCommit{}
+	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[14]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *GitCommit) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GitCommit) ProtoMessage() {}
+
+func (x *GitCommit) ProtoReflect() protoreflect.Message {
+	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[14]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GitCommit.ProtoReflect.Descriptor instead.
+func (*GitCommit) Descriptor() ([]byte, []int) {
+	return file_gitmirror_v1_gitmirror_proto_rawDescGZIP(), []int{14}
+}
+
+func (x *GitCommit) GetOid() string {
+	if x != nil {
+		return x.Oid
+	}
+	return ""
+}
+
+func (x *GitCommit) GetAuthor() *GitSignature {
+	if x != nil {
+		return x.Author
+	}
+	return nil
+}
+
+func (x *GitCommit) GetCommitter() *GitSignature {
+	if x != nil {
+		return x.Committer
+	}
+	return nil
+}
+
+func (x *GitCommit) GetMessage() []byte {
+	if x != nil {
+		return x.Message
+	}
+	return nil
+}
+
+func (x *GitCommit) GetParents() []string {
+	if x != nil {
+		return x.Parents
+	}
+	return nil
+}
+
+type GitSignature struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Name          []byte                 `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	Email         []byte                 `protobuf:"bytes,2,opt,name=email,proto3" json:"email,omitempty"`
+	Date          *timestamppb.Timestamp `protobuf:"bytes,3,opt,name=date,proto3" json:"date,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *GitSignature) Reset() {
+	*x = GitSignature{}
+	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[15]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *GitSignature) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GitSignature) ProtoMessage() {}
+
+func (x *GitSignature) ProtoReflect() protoreflect.Message {
+	mi := &file_gitmirror_v1_gitmirror_proto_msgTypes[15]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GitSignature.ProtoReflect.Descriptor instead.
+func (*GitSignature) Descriptor() ([]byte, []int) {
+	return file_gitmirror_v1_gitmirror_proto_rawDescGZIP(), []int{15}
+}
+
+func (x *GitSignature) GetName() []byte {
+	if x != nil {
+		return x.Name
+	}
+	return nil
+}
+
+func (x *GitSignature) GetEmail() []byte {
+	if x != nil {
+		return x.Email
+	}
+	return nil
+}
+
+func (x *GitSignature) GetDate() *timestamppb.Timestamp {
+	if x != nil {
+		return x.Date
+	}
+	return nil
+}
+
 var File_gitmirror_v1_gitmirror_proto protoreflect.FileDescriptor
 
 const file_gitmirror_v1_gitmirror_proto_rawDesc = "" +
 	"\n" +
-	"\x1cgitmirror/v1/gitmirror.proto\x12\fgitmirror.v1\"6\n" +
+	"\x1cgitmirror/v1/gitmirror.proto\x12\fgitmirror.v1\x1a\x1fgoogle/protobuf/timestamp.proto\"6\n" +
 	"\x0eGetBlobRequest\x12\x12\n" +
 	"\x04repo\x18\x01 \x01(\tR\x04repo\x12\x10\n" +
-	"\x03oid\x18\x02 \x01(\tR\x03oid\"\x1f\n" +
+	"\x03oid\x18\x02 \x01(\tR\x03oid\"\xf4\x01\n" +
+	"\x10CommitLogRequest\x12\x12\n" +
+	"\x04repo\x18\x01 \x01(\tR\x04repo\x12\x16\n" +
+	"\x06ranges\x18\x02 \x03(\fR\x06ranges\x12\x19\n" +
+	"\ball_refs\x18\x03 \x01(\bR\aallRefs\x120\n" +
+	"\x05after\x18\x04 \x01(\v2\x1a.google.protobuf.TimestampR\x05after\x122\n" +
+	"\x06before\x18\x05 \x01(\v2\x1a.google.protobuf.TimestampR\x06before\x12\x1f\n" +
+	"\vmax_commits\x18\x06 \x01(\rR\n" +
+	"maxCommits\x12\x12\n" +
+	"\x04skip\x18\a \x01(\rR\x04skip\"F\n" +
+	"\x11CommitLogResponse\x121\n" +
+	"\acommits\x18\x01 \x03(\v2\x17.gitmirror.v1.GitCommitR\acommits\"\x1f\n" +
 	"\tBlobChunk\x12\x12\n" +
 	"\x04data\x18\x01 \x01(\fR\x04data\"\\\n" +
 	"\x0eCommitsRequest\x12\x12\n" +
@@ -763,12 +1059,23 @@ const file_gitmirror_v1_gitmirror_proto_rawDesc = "" +
 	"\x05hunks\x18\x03 \x03(\v2\x12.gitmirror.v1.HunkR\x05hunks\x12H\n" +
 	"\x10has_byte_changes\x18\x04 \x01(\v2\x19.gitmirror.v1.ByteChangesH\x00R\x0ehasByteChanges\x88\x01\x01\x122\n" +
 	"\x15has_syntactic_changes\x18\x05 \x01(\bR\x13hasSyntacticChangesB\x13\n" +
-	"\x11_has_byte_changes2\xa2\x02\n" +
+	"\x11_has_byte_changes\"\xbf\x01\n" +
+	"\tGitCommit\x12\x10\n" +
+	"\x03oid\x18\x01 \x01(\tR\x03oid\x122\n" +
+	"\x06author\x18\x02 \x01(\v2\x1a.gitmirror.v1.GitSignatureR\x06author\x128\n" +
+	"\tcommitter\x18\x03 \x01(\v2\x1a.gitmirror.v1.GitSignatureR\tcommitter\x12\x18\n" +
+	"\amessage\x18\x04 \x01(\fR\amessage\x12\x18\n" +
+	"\aparents\x18\x05 \x03(\tR\aparents\"h\n" +
+	"\fGitSignature\x12\x12\n" +
+	"\x04name\x18\x01 \x01(\fR\x04name\x12\x14\n" +
+	"\x05email\x18\x02 \x01(\fR\x05email\x12.\n" +
+	"\x04date\x18\x03 \x01(\v2\x1a.google.protobuf.TimestampR\x04date2\xf2\x02\n" +
 	"\x10GitMirrorService\x12F\n" +
 	"\aCommits\x12\x1c.gitmirror.v1.CommitsRequest\x1a\x1d.gitmirror.v1.CommitsResponse\x12;\n" +
 	"\x04Diff\x12\x19.gitmirror.v1.DiffRequest\x1a\x16.gitmirror.v1.FileDiff0\x01\x12E\n" +
 	"\tInterdiff\x12\x1e.gitmirror.v1.InterdiffRequest\x1a\x16.gitmirror.v1.FileDiff0\x01\x12B\n" +
-	"\aGetBlob\x12\x1c.gitmirror.v1.GetBlobRequest\x1a\x17.gitmirror.v1.BlobChunk0\x01B2Z0tangled.org/core/gitmirror/proto/gen;gitmirrorv1b\x06proto3"
+	"\aGetBlob\x12\x1c.gitmirror.v1.GetBlobRequest\x1a\x17.gitmirror.v1.BlobChunk0\x01\x12N\n" +
+	"\tCommitLog\x12\x1e.gitmirror.v1.CommitLogRequest\x1a\x1f.gitmirror.v1.CommitLogResponse0\x01B2Z0tangled.org/core/gitmirror/proto/gen;gitmirrorv1b\x06proto3"
 
 var (
 	file_gitmirror_v1_gitmirror_proto_rawDescOnce sync.Once
@@ -782,41 +1089,54 @@ func file_gitmirror_v1_gitmirror_proto_rawDescGZIP() []byte {
 	return file_gitmirror_v1_gitmirror_proto_rawDescData
 }
 
-var file_gitmirror_v1_gitmirror_proto_msgTypes = make([]protoimpl.MessageInfo, 12)
+var file_gitmirror_v1_gitmirror_proto_msgTypes = make([]protoimpl.MessageInfo, 16)
 var file_gitmirror_v1_gitmirror_proto_goTypes = []any{
-	(*GetBlobRequest)(nil),   // 0: gitmirror.v1.GetBlobRequest
-	(*BlobChunk)(nil),        // 1: gitmirror.v1.BlobChunk
-	(*CommitsRequest)(nil),   // 2: gitmirror.v1.CommitsRequest
-	(*CommitsOptions)(nil),   // 3: gitmirror.v1.CommitsOptions
-	(*CommitsResponse)(nil),  // 4: gitmirror.v1.CommitsResponse
-	(*DiffRequest)(nil),      // 5: gitmirror.v1.DiffRequest
-	(*InterdiffRequest)(nil), // 6: gitmirror.v1.InterdiffRequest
-	(*FileContent)(nil),      // 7: gitmirror.v1.FileContent
-	(*LinePair)(nil),         // 8: gitmirror.v1.LinePair
-	(*Hunk)(nil),             // 9: gitmirror.v1.Hunk
-	(*ByteChanges)(nil),      // 10: gitmirror.v1.ByteChanges
-	(*FileDiff)(nil),         // 11: gitmirror.v1.FileDiff
+	(*GetBlobRequest)(nil),        // 0: gitmirror.v1.GetBlobRequest
+	(*CommitLogRequest)(nil),      // 1: gitmirror.v1.CommitLogRequest
+	(*CommitLogResponse)(nil),     // 2: gitmirror.v1.CommitLogResponse
+	(*BlobChunk)(nil),             // 3: gitmirror.v1.BlobChunk
+	(*CommitsRequest)(nil),        // 4: gitmirror.v1.CommitsRequest
+	(*CommitsOptions)(nil),        // 5: gitmirror.v1.CommitsOptions
+	(*CommitsResponse)(nil),       // 6: gitmirror.v1.CommitsResponse
+	(*DiffRequest)(nil),           // 7: gitmirror.v1.DiffRequest
+	(*InterdiffRequest)(nil),      // 8: gitmirror.v1.InterdiffRequest
+	(*FileContent)(nil),           // 9: gitmirror.v1.FileContent
+	(*LinePair)(nil),              // 10: gitmirror.v1.LinePair
+	(*Hunk)(nil),                  // 11: gitmirror.v1.Hunk
+	(*ByteChanges)(nil),           // 12: gitmirror.v1.ByteChanges
+	(*FileDiff)(nil),              // 13: gitmirror.v1.FileDiff
+	(*GitCommit)(nil),             // 14: gitmirror.v1.GitCommit
+	(*GitSignature)(nil),          // 15: gitmirror.v1.GitSignature
+	(*timestamppb.Timestamp)(nil), // 16: google.protobuf.Timestamp
 }
 var file_gitmirror_v1_gitmirror_proto_depIdxs = []int32{
-	3,  // 0: gitmirror.v1.CommitsRequest.options:type_name -> gitmirror.v1.CommitsOptions
-	8,  // 1: gitmirror.v1.Hunk.lines:type_name -> gitmirror.v1.LinePair
-	7,  // 2: gitmirror.v1.FileDiff.lhs_src:type_name -> gitmirror.v1.FileContent
-	7,  // 3: gitmirror.v1.FileDiff.rhs_src:type_name -> gitmirror.v1.FileContent
-	9,  // 4: gitmirror.v1.FileDiff.hunks:type_name -> gitmirror.v1.Hunk
-	10, // 5: gitmirror.v1.FileDiff.has_byte_changes:type_name -> gitmirror.v1.ByteChanges
-	2,  // 6: gitmirror.v1.GitMirrorService.Commits:input_type -> gitmirror.v1.CommitsRequest
-	5,  // 7: gitmirror.v1.GitMirrorService.Diff:input_type -> gitmirror.v1.DiffRequest
-	6,  // 8: gitmirror.v1.GitMirrorService.Interdiff:input_type -> gitmirror.v1.InterdiffRequest
-	0,  // 9: gitmirror.v1.GitMirrorService.GetBlob:input_type -> gitmirror.v1.GetBlobRequest
-	4,  // 10: gitmirror.v1.GitMirrorService.Commits:output_type -> gitmirror.v1.CommitsResponse
-	11, // 11: gitmirror.v1.GitMirrorService.Diff:output_type -> gitmirror.v1.FileDiff
-	11, // 12: gitmirror.v1.GitMirrorService.Interdiff:output_type -> gitmirror.v1.FileDiff
-	1,  // 13: gitmirror.v1.GitMirrorService.GetBlob:output_type -> gitmirror.v1.BlobChunk
-	10, // [10:14] is the sub-list for method output_type
-	6,  // [6:10] is the sub-list for method input_type
-	6,  // [6:6] is the sub-list for extension type_name
-	6,  // [6:6] is the sub-list for extension extendee
-	0,  // [0:6] is the sub-list for field type_name
+	16, // 0: gitmirror.v1.CommitLogRequest.after:type_name -> google.protobuf.Timestamp
+	16, // 1: gitmirror.v1.CommitLogRequest.before:type_name -> google.protobuf.Timestamp
+	14, // 2: gitmirror.v1.CommitLogResponse.commits:type_name -> gitmirror.v1.GitCommit
+	5,  // 3: gitmirror.v1.CommitsRequest.options:type_name -> gitmirror.v1.CommitsOptions
+	10, // 4: gitmirror.v1.Hunk.lines:type_name -> gitmirror.v1.LinePair
+	9,  // 5: gitmirror.v1.FileDiff.lhs_src:type_name -> gitmirror.v1.FileContent
+	9,  // 6: gitmirror.v1.FileDiff.rhs_src:type_name -> gitmirror.v1.FileContent
+	11, // 7: gitmirror.v1.FileDiff.hunks:type_name -> gitmirror.v1.Hunk
+	12, // 8: gitmirror.v1.FileDiff.has_byte_changes:type_name -> gitmirror.v1.ByteChanges
+	15, // 9: gitmirror.v1.GitCommit.author:type_name -> gitmirror.v1.GitSignature
+	15, // 10: gitmirror.v1.GitCommit.committer:type_name -> gitmirror.v1.GitSignature
+	16, // 11: gitmirror.v1.GitSignature.date:type_name -> google.protobuf.Timestamp
+	4,  // 12: gitmirror.v1.GitMirrorService.Commits:input_type -> gitmirror.v1.CommitsRequest
+	7,  // 13: gitmirror.v1.GitMirrorService.Diff:input_type -> gitmirror.v1.DiffRequest
+	8,  // 14: gitmirror.v1.GitMirrorService.Interdiff:input_type -> gitmirror.v1.InterdiffRequest
+	0,  // 15: gitmirror.v1.GitMirrorService.GetBlob:input_type -> gitmirror.v1.GetBlobRequest
+	1,  // 16: gitmirror.v1.GitMirrorService.CommitLog:input_type -> gitmirror.v1.CommitLogRequest
+	6,  // 17: gitmirror.v1.GitMirrorService.Commits:output_type -> gitmirror.v1.CommitsResponse
+	13, // 18: gitmirror.v1.GitMirrorService.Diff:output_type -> gitmirror.v1.FileDiff
+	13, // 19: gitmirror.v1.GitMirrorService.Interdiff:output_type -> gitmirror.v1.FileDiff
+	3,  // 20: gitmirror.v1.GitMirrorService.GetBlob:output_type -> gitmirror.v1.BlobChunk
+	2,  // 21: gitmirror.v1.GitMirrorService.CommitLog:output_type -> gitmirror.v1.CommitLogResponse
+	17, // [17:22] is the sub-list for method output_type
+	12, // [12:17] is the sub-list for method input_type
+	12, // [12:12] is the sub-list for extension type_name
+	12, // [12:12] is the sub-list for extension extendee
+	0,  // [0:12] is the sub-list for field type_name
 }
 
 func init() { file_gitmirror_v1_gitmirror_proto_init() }
@@ -824,15 +1144,15 @@ func file_gitmirror_v1_gitmirror_proto_init() {
 	if File_gitmirror_v1_gitmirror_proto != nil {
 		return
 	}
-	file_gitmirror_v1_gitmirror_proto_msgTypes[8].OneofWrappers = []any{}
-	file_gitmirror_v1_gitmirror_proto_msgTypes[11].OneofWrappers = []any{}
+	file_gitmirror_v1_gitmirror_proto_msgTypes[10].OneofWrappers = []any{}
+	file_gitmirror_v1_gitmirror_proto_msgTypes[13].OneofWrappers = []any{}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: unsafe.Slice(unsafe.StringData(file_gitmirror_v1_gitmirror_proto_rawDesc), len(file_gitmirror_v1_gitmirror_proto_rawDesc)),
 			NumEnums:      0,
-			NumMessages:   12,
+			NumMessages:   16,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
diff --git a/gitmirror/proto/gen/gitmirror_grpc.pb.go b/gitmirror/proto/gen/gitmirror_grpc.pb.go
index 4e6ad768..e6b1ab6c 100644
--- a/gitmirror/proto/gen/gitmirror_grpc.pb.go
+++ b/gitmirror/proto/gen/gitmirror_grpc.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.6.0
+// - protoc-gen-go-grpc v1.6.2
 // - protoc             (unknown)
 // source: gitmirror/v1/gitmirror.proto
 
@@ -23,6 +23,7 @@ const (
 	GitMirrorService_Diff_FullMethodName      = "/gitmirror.v1.GitMirrorService/Diff"
 	GitMirrorService_Interdiff_FullMethodName = "/gitmirror.v1.GitMirrorService/Interdiff"
 	GitMirrorService_GetBlob_FullMethodName   = "/gitmirror.v1.GitMirrorService/GetBlob"
+	GitMirrorService_CommitLog_FullMethodName = "/gitmirror.v1.GitMirrorService/CommitLog"
 )
 
 // GitMirrorServiceClient is the client API for GitMirrorService service.
@@ -34,6 +35,7 @@ type GitMirrorServiceClient interface {
 	Interdiff(ctx context.Context, in *InterdiffRequest, opts ...grpc.CallOption) (grpc.ServerStreamingClient[FileDiff], error)
 	// GetBlob streams a blob's raw bytes by OID, in chunks.
 	GetBlob(ctx context.Context, in *GetBlobRequest, opts ...grpc.CallOption) (grpc.ServerStreamingClient[BlobChunk], error)
+	CommitLog(ctx context.Context, in *CommitLogRequest, opts ...grpc.CallOption) (grpc.ServerStreamingClient[CommitLogResponse], error)
 }
 
 type gitMirrorServiceClient struct {
@@ -111,6 +113,25 @@ func (c *gitMirrorServiceClient) GetBlob(ctx context.Context, in *GetBlobRequest
 // This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
 type GitMirrorService_GetBlobClient = grpc.ServerStreamingClient[BlobChunk]
 
+func (c *gitMirrorServiceClient) CommitLog(ctx context.Context, in *CommitLogRequest, opts ...grpc.CallOption) (grpc.ServerStreamingClient[CommitLogResponse], error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	stream, err := c.cc.NewStream(ctx, &GitMirrorService_ServiceDesc.Streams[3], GitMirrorService_CommitLog_FullMethodName, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &grpc.GenericClientStream[CommitLogRequest, CommitLogResponse]{ClientStream: stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+// This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
+type GitMirrorService_CommitLogClient = grpc.ServerStreamingClient[CommitLogResponse]
+
 // GitMirrorServiceServer is the server API for GitMirrorService service.
 // All implementations must embed UnimplementedGitMirrorServiceServer
 // for forward compatibility.
@@ -120,6 +141,7 @@ type GitMirrorServiceServer interface {
 	Interdiff(*InterdiffRequest, grpc.ServerStreamingServer[FileDiff]) error
 	// GetBlob streams a blob's raw bytes by OID, in chunks.
 	GetBlob(*GetBlobRequest, grpc.ServerStreamingServer[BlobChunk]) error
+	CommitLog(*CommitLogRequest, grpc.ServerStreamingServer[CommitLogResponse]) error
 	mustEmbedUnimplementedGitMirrorServiceServer()
 }
 
@@ -142,6 +164,9 @@ func (UnimplementedGitMirrorServiceServer) Interdiff(*InterdiffRequest, grpc.Ser
 func (UnimplementedGitMirrorServiceServer) GetBlob(*GetBlobRequest, grpc.ServerStreamingServer[BlobChunk]) error {
 	return status.Error(codes.Unimplemented, "method GetBlob not implemented")
 }
+func (UnimplementedGitMirrorServiceServer) CommitLog(*CommitLogRequest, grpc.ServerStreamingServer[CommitLogResponse]) error {
+	return status.Error(codes.Unimplemented, "method CommitLog not implemented")
+}
 func (UnimplementedGitMirrorServiceServer) mustEmbedUnimplementedGitMirrorServiceServer() {}
 func (UnimplementedGitMirrorServiceServer) testEmbeddedByValue()                          {}
 
@@ -214,6 +239,17 @@ func _GitMirrorService_GetBlob_Handler(srv interface{}, stream grpc.ServerStream
 // This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
 type GitMirrorService_GetBlobServer = grpc.ServerStreamingServer[BlobChunk]
 
+func _GitMirrorService_CommitLog_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(CommitLogRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(GitMirrorServiceServer).CommitLog(m, &grpc.GenericServerStream[CommitLogRequest, CommitLogResponse]{ServerStream: stream})
+}
+
+// This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
+type GitMirrorService_CommitLogServer = grpc.ServerStreamingServer[CommitLogResponse]
+
 // GitMirrorService_ServiceDesc is the grpc.ServiceDesc for GitMirrorService service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@@ -242,6 +278,11 @@ var GitMirrorService_ServiceDesc = grpc.ServiceDesc{
 			Handler:       _GitMirrorService_GetBlob_Handler,
 			ServerStreams: true,
 		},
+		{
+			StreamName:    "CommitLog",
+			Handler:       _GitMirrorService_CommitLog_Handler,
+			ServerStreams: true,
+		},
 	},
 	Metadata: "gitmirror/v1/gitmirror.proto",
 }
diff --git a/gitmirror/proto/gitmirror/v1/gitmirror.proto b/gitmirror/proto/gitmirror/v1/gitmirror.proto
index aea16488..69263dbc 100644
--- a/gitmirror/proto/gitmirror/v1/gitmirror.proto
+++ b/gitmirror/proto/gitmirror/v1/gitmirror.proto
@@ -2,6 +2,8 @@ syntax = "proto3";
 
 package gitmirror.v1;
 
+import "google/protobuf/timestamp.proto";
+
 option go_package = "tangled.org/core/gitmirror/proto/gen;gitmirrorv1";
 
 service GitMirrorService {
@@ -10,6 +12,7 @@ service GitMirrorService {
   rpc Interdiff(InterdiffRequest) returns (stream FileDiff);
   // GetBlob streams a blob's raw bytes by OID, in chunks.
   rpc GetBlob(GetBlobRequest) returns (stream BlobChunk);
+  rpc CommitLog(CommitLogRequest) returns (stream CommitLogResponse);
 }
 
 message GetBlobRequest {
@@ -19,6 +22,31 @@ message GetBlobRequest {
   string oid = 2;
 }
 
+message CommitLogRequest {
+  // repo DID
+  string repo = 1;
+  // Ranges to include in the git log (revspec, "A..B", "A...B", etc.).
+  // At least one range, or all_refs must be specified.
+  repeated bytes ranges = 2;
+  // If true, all refs are searched for commits.
+  // Must not be true when ranges are given.
+  bool all_refs = 3;
+  // After is an optional parameter to specify the earliest commit to consider.
+  google.protobuf.Timestamp after = 4;
+  // Before is an optional parameter to specify the latest commit to consider.
+  google.protobuf.Timestamp before = 5;
+  // MaxCommits is an optional parameter to specify the maximum number of commits
+  // to return. If max_commits is 0, all commits that match the criteria will be
+  // returned.
+  uint32 max_commits = 6;
+  // Skip is an optional parameter to specify the number of commits to skip.
+  // This can be used to implement a poor mans pagination.
+  uint32 skip = 7;
+}
+message CommitLogResponse {
+  repeated GitCommit commits = 1;
+}
+
 // One chunk of a blob's raw bytes; concatenate in arrival order.
 message BlobChunk {
   bytes data = 1;
@@ -95,3 +123,17 @@ message FileDiff {
   bool has_syntactic_changes = 5;
   // TODO: lhs_positions / rhs_positions (MatchedPos) — AST, added later.
 }
+
+message GitCommit {
+  string oid = 1;
+  GitSignature author = 2;
+  GitSignature committer = 3;
+  bytes message = 4;
+  repeated string parents = 5;
+}
+
+message GitSignature {
+  bytes name = 1;
+  bytes email = 2;
+  google.protobuf.Timestamp date = 3;
+}
diff --git a/gitmirror/src/main.rs b/gitmirror/src/main.rs
index 6b28b206..0a4fb1db 100644
--- a/gitmirror/src/main.rs
+++ b/gitmirror/src/main.rs
@@ -6,6 +6,7 @@ use tonic::{Request, Response, Status};
 use tracing::info;
 
 mod diff;
+mod protocol;
 
 pub mod gitmirror {
     pub mod v1 {
@@ -18,20 +19,27 @@ use std::pin::Pin;
 
 use gix::bstr::ByteSlice as _;
 use tokio::sync::mpsc;
-use tokio_stream::Stream;
 use tokio_stream::wrappers::ReceiverStream;
+use tokio_stream::Stream;
+
+use gix::revision::plumbing::Spec as RevSpec;
+use gix::revision::walk::Sorting;
 
 use gitmirror::v1::git_mirror_service_server::{GitMirrorService, GitMirrorServiceServer};
 use gitmirror::v1::{
-    BlobChunk, ByteChanges, CommitsRequest, CommitsResponse, DiffRequest, FileContent, FileDiff,
-    GetBlobRequest, Hunk, InterdiffRequest, LinePair,
+    BlobChunk, ByteChanges, CommitLogRequest, CommitLogResponse, CommitsRequest, CommitsResponse,
+    DiffRequest, FileContent, FileDiff, GetBlobRequest, GitCommit, GitSignature, Hunk,
+    InterdiffRequest, LinePair,
 };
 
 type FileDiffStream = Pin<Box<dyn Stream<Item = Result<FileDiff, Status>> + Send>>;
 type BlobChunkStream = Pin<Box<dyn Stream<Item = Result<BlobChunk, Status>> + Send>>;
+type CommitLogResponseStream = Pin<Box<dyn Stream<Item = Result<CommitLogResponse, Status>> + Send>>;
 
 /// Blob bytes are streamed in chunks of this size.
 const BLOB_CHUNK_SIZE: usize = 64 * 1024;
+/// GitCommits are streamed in batches of this size.
+const COMMIT_LOG_BATCH_SIZE: usize = 128;
 
 #[derive(Parser)]
 #[command(name = "gitmirror", about = "Git mirror gRPC service")]
@@ -57,6 +65,47 @@ impl GitMirror {
         gix::open(self.repo_base.join(did))
             .map_err(|e| Status::not_found(format!("repo not found: {e}")))
     }
+
+}
+
+/// Resolve tips/hidden commits from a [`CommitLogRequest`] and return the resulting gix walk,
+/// sorted newest-first to match `git log`'s default order.
+fn commit_log_walk<'repo>(
+    repo: &'repo gix::Repository,
+    req: &CommitLogRequest,
+) -> anyhow::Result<gix::revision::Walk<'repo>> {
+    let mut tips = Vec::new();
+    let mut hidden = Vec::new();
+
+    if req.all_refs {
+        for r in repo.references()?.all()? {
+            let mut r = r.map_err(|e| anyhow::anyhow!(e))?;
+            if let Ok(commit) = r.peel_to_commit() {
+                tips.push(commit.id);
+            }
+        }
+    } else {
+        for range in &req.ranges {
+            let revspec = repo.rev_parse(range.as_bstr())?;
+            let spec = revspec.detach();
+            match spec {
+                RevSpec::Include(id) => tips.push(id),
+                RevSpec::Range { from, to } => {
+                    tips.push(to);
+                    hidden.push(from);
+                }
+                _ => {
+                    anyhow::bail!("The spec isn't currently supported: {spec:?}")
+                }
+            }
+        }
+    }
+
+    Ok(repo
+        .rev_walk(tips)
+        .sorting(Sorting::ByCommitTime(Default::default()))
+        .with_hidden(hidden)
+        .all()?)
 }
 
 #[tonic::async_trait]
@@ -147,6 +196,72 @@ impl GitMirrorService for GitMirror {
 
         Ok(Response::new(Box::pin(ReceiverStream::new(rx))))
     }
+
+    type CommitLogStream = CommitLogResponseStream;
+
+    async fn commit_log(
+        &self,
+        request: Request<CommitLogRequest>,
+    ) -> Result<Response<Self::CommitLogStream>, Status> {
+        let req = request.into_inner();
+        if req.all_refs == req.ranges.is_empty() {
+            return Err(Status::invalid_argument(
+                "specify exactly one of `ranges` or `all_refs`",
+            ));
+        }
+        let repo = self.open_repo(&req.repo)?;
+        let safe = repo.into_sync();
+
+        let (tx, rx) = mpsc::channel::<Result<CommitLogResponse, Status>>(16);
+        tokio::task::spawn_blocking(move || {
+            let repo = safe.to_thread_local();
+            let run = || -> anyhow::Result<()> {
+                let after = req.after.map(|t| t.seconds);
+                let before = req.before.map(|t| t.seconds);
+                let max_commits = req.max_commits as usize;
+                let mut skip = req.skip as usize;
+                let mut sent = 0usize;
+                let mut batch = Vec::with_capacity(COMMIT_LOG_BATCH_SIZE);
+
+                for info in commit_log_walk(&repo, &req)? {
+                    let info = info?;
+                    let commit_time = info.commit_time();
+                    if before.is_some_and(|b| commit_time > b) {
+                        continue;
+                    }
+                    if after.is_some_and(|a| commit_time < a) {
+                        break; // newest-first order: nothing older will match either
+                    }
+                    if skip > 0 {
+                        skip -= 1;
+                        continue;
+                    }
+                    if max_commits != 0 && sent >= max_commits {
+                        break;
+                    }
+                    batch.push(GitCommit::try_from(&info.object()?)?);
+                    sent += 1;
+                    if batch.len() == COMMIT_LOG_BATCH_SIZE {
+                        let msg = CommitLogResponse {
+                            commits: std::mem::take(&mut batch),
+                        };
+                        if tx.blocking_send(Ok(msg)).is_err() {
+                            return Ok(()); // client hung up
+                        }
+                    }
+                }
+                if !batch.is_empty() {
+                    let _ = tx.blocking_send(Ok(CommitLogResponse { commits: batch }));
+                }
+                Ok(())
+            };
+            if let Err(e) = run() {
+                let _ = tx.blocking_send(Err(Status::internal(e.to_string())));
+            }
+        });
+
+        Ok(Response::new(Box::pin(ReceiverStream::new(rx))))
+    }
 }
 
 /// Resolve a commit-ish ref string (oid, short oid, branch/tag) to its tree oid.
@@ -184,6 +299,36 @@ fn file_content(f: diff::FileContent) -> FileContent {
     }
 }
 
+impl TryFrom<&gix::Commit<'_>> for GitCommit {
+    type Error = anyhow::Error;
+
+    fn try_from(commit: &gix::Commit<'_>) -> anyhow::Result<Self> {
+        Ok(GitCommit {
+            oid: commit.id.to_string(),
+            author: Some(commit.author()?.try_into()?),
+            committer: Some(commit.committer()?.try_into()?),
+            message: commit.message_raw()?.to_vec(),
+            parents: commit.parent_ids().map(|id| id.to_string()).collect(),
+        })
+    }
+}
+
+impl TryFrom<gix::actor::SignatureRef<'_>> for GitSignature {
+    type Error = anyhow::Error;
+
+    fn try_from(sig: gix::actor::SignatureRef<'_>) -> anyhow::Result<Self> {
+        let time = sig.time()?;
+        Ok(GitSignature {
+            name: sig.name.to_vec(),
+            email: sig.email.to_vec(),
+            date: Some(prost_types::Timestamp {
+                seconds: time.seconds,
+                nanos: 0,
+            }),
+        })
+    }
+}
+
 fn hunk(h: diff::Hunk) -> Hunk {
     // Sort the novel line sets for deterministic output.
     let sorted = |set: rustc_hash::FxHashSet<line_numbers::LineNumber>| -> Vec<u32> {
diff --git a/gitmirror/src/protocol.rs b/gitmirror/src/protocol.rs
new file mode 100644
index 00000000..93a7e028
--- /dev/null
+++ b/gitmirror/src/protocol.rs
@@ -0,0 +1,3 @@
+// pub mod v1 {
+//     tonic::include_proto!("gitmirror.v1");
+// }