diff --git a/go.sum b/go.sum
index 2402a81..a2b2cf6 100644
--- a/go.sum
+++ b/go.sum
@@ -62,6 +62,8 @@ github.com/vincentkoc/crawlkit v0.3.12 h1:2hs4DXk6LkI4sdbgnFU+mUNaC2gmhQfkMx5C+b
 github.com/vincentkoc/crawlkit v0.3.12/go.mod h1:tSSR6CmUqKmfoxzxxRJGARm95sH+Acu63nhzrXkpXo0=
 github.com/vincentkoc/crawlkit v0.3.13 h1:8QDpI1KXRhvxGlHpomHn641+S3aq7nGLtD8mMLZvCHo=
 github.com/vincentkoc/crawlkit v0.3.13/go.mod h1:tSSR6CmUqKmfoxzxxRJGARm95sH+Acu63nhzrXkpXo0=
+github.com/vincentkoc/crawlkit v0.3.14 h1:+bE9yPjfE2VRvquJEpHvh+35qcX70RiqisZv/7vChW0=
+github.com/vincentkoc/crawlkit v0.3.14/go.mod h1:tSSR6CmUqKmfoxzxxRJGARm95sH+Acu63nhzrXkpXo0=
 github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e h1:JVG44RsyaB9T2KIHavMF/ppJZNG9ZpyihvCd0w101no=
 github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e/go.mod h1:RbqR21r5mrJuqunuUZ/Dhy/avygyECGrLceyNeo4LiM=
 golang.org/x/exp v0.0.0-20231006140011-7918f672742d h1:jtJma62tbqLibJ5sFQz8bKtEM8rJBtfilJ2qTU199MI=
diff --git a/internal/cli/app.go b/internal/cli/app.go
index ca9bcf6..3551577 100644
--- a/internal/cli/app.go
+++ b/internal/cli/app.go
@@ -7,6 +7,7 @@ import (
 	"flag"
 	"fmt"
 	"io"
+	"log/slog"
 	"os"
 	"os/exec"
 	"path/filepath"
@@ -1821,6 +1822,7 @@ func (a *App) syncRepository(ctx context.Context, owner, repo string, options sy
 		Reporter: func(message string) {
 			fmt.Fprintln(a.Stderr, message)
 		},
+		Logger: progressLogger(a.Stderr),
 	})
 	if err != nil {
 		return syncer.Stats{}, err
@@ -1828,6 +1830,17 @@ func (a *App) syncRepository(ctx context.Context, owner, repo string, options sy
 	return stats, nil
 }
 
+func progressLogger(w io.Writer) *slog.Logger {
+	return slog.New(slog.NewTextHandler(w, &slog.HandlerOptions{
+		ReplaceAttr: func(_ []string, attr slog.Attr) slog.Attr {
+			if attr.Key == slog.TimeKey {
+				return slog.Attr{}
+			}
+			return attr
+		},
+	}))
+}
+
 func (a *App) runInit(ctx context.Context, args []string) error {
 	fs := flag.NewFlagSet("init", flag.ContinueOnError)
 	fs.SetOutput(io.Discard)
diff --git a/internal/syncer/syncer.go b/internal/syncer/syncer.go
index bb47944..d41c8a3 100644
--- a/internal/syncer/syncer.go
+++ b/internal/syncer/syncer.go
@@ -6,6 +6,7 @@ import (
 	"encoding/hex"
 	"encoding/json"
 	"fmt"
+	"log/slog"
 	"strconv"
 	"strings"
 	"time"
@@ -13,6 +14,7 @@ import (
 	"github.com/openclaw/gitcrawl/internal/documents"
 	gh "github.com/openclaw/gitcrawl/internal/github"
 	"github.com/openclaw/gitcrawl/internal/store"
+	"github.com/vincentkoc/crawlkit/progress"
 )
 
 type GitHubClient interface {
@@ -45,6 +47,7 @@ type Options struct {
 	IncludeComments  bool
 	IncludePRDetails bool
 	Reporter         gh.Reporter
+	Logger           *slog.Logger
 }
 
 type Stats struct {
@@ -132,6 +135,15 @@ func (s *Syncer) Sync(ctx context.Context, options Options) (Stats, error) {
 		MetadataOnly:   !options.IncludeComments,
 		StartedAt:      started,
 	}
+	tracker := progress.New(options.Logger, progress.Options{
+		Name:  "sync",
+		Unit:  "threads",
+		Total: int64(len(rows)),
+		Attrs: []any{
+			"repository", stats.Repository,
+			"state", state,
+		},
+	})
 	persist := func(st *store.Store) error {
 		for _, row := range rows {
 			thread := mapIssueToThread(repoID, row, s.now().Format(time.RFC3339Nano))
@@ -169,6 +181,11 @@ func (s *Syncer) Sync(ctx context.Context, options Options) (Stats, error) {
 			} else {
 				stats.IssuesSynced++
 			}
+			tracker.Add(1,
+				"number", thread.Number,
+				"kind", thread.Kind,
+				"thread_state", thread.State,
+			)
 		}
 		if len(numbers) == 0 && state == "open" && since != "" && options.Limit <= 0 {
 			closed, err := s.applyClosedOverlapSweep(ctx, st, repoID, options, since)
@@ -193,13 +210,17 @@ func (s *Syncer) Sync(ctx context.Context, options Options) (Stats, error) {
 	}
 	if !options.IncludeComments {
 		if err := s.store.WithTx(ctx, persist); err != nil {
+			tracker.Finish(err)
 			return Stats{}, err
 		}
+		tracker.Finish(nil)
 		return stats, nil
 	}
 	if err := persist(s.store); err != nil {
+		tracker.Finish(err)
 		return Stats{}, err
 	}
+	tracker.Finish(nil)
 	return stats, nil
 }
 
diff --git a/internal/syncer/syncer_test.go b/internal/syncer/syncer_test.go
index 7a2a606..8ac8c85 100644
--- a/internal/syncer/syncer_test.go
+++ b/internal/syncer/syncer_test.go
@@ -1,9 +1,12 @@
 package syncer
 
 import (
+	"bytes"
 	"context"
 	"encoding/json"
+	"log/slog"
 	"path/filepath"
+	"strings"
 	"testing"
 	"time"
 
@@ -286,7 +289,13 @@ func TestSyncPersistsIssuesAndPullRequests(t *testing.T) {
 
 	s := New(fakeGitHub{}, st)
 	s.now = func() time.Time { return time.Date(2026, 4, 26, 0, 0, 0, 0, time.UTC) }
-	stats, err := s.Sync(ctx, Options{Owner: "openclaw", Repo: "gitcrawl", IncludeComments: true})
+	var progressLogs bytes.Buffer
+	stats, err := s.Sync(ctx, Options{
+		Owner:           "openclaw",
+		Repo:            "gitcrawl",
+		IncludeComments: true,
+		Logger:          testProgressLogger(&progressLogs),
+	})
 	if err != nil {
 		t.Fatalf("sync: %v", err)
 	}
@@ -321,6 +330,18 @@ func TestSyncPersistsIssuesAndPullRequests(t *testing.T) {
 	if documentCount != 1 {
 		t.Fatalf("document count: got %d want 1", documentCount)
 	}
+	for _, want := range []string{
+		`msg="sync progress"`,
+		`state=finished`,
+		`unit=threads`,
+		`percent=100.0`,
+		`completion=100.0%`,
+		`repository=openclaw/gitcrawl`,
+	} {
+		if !strings.Contains(progressLogs.String(), want) {
+			t.Fatalf("missing %q in progress logs:\n%s", want, progressLogs.String())
+		}
+	}
 }
 
 func TestSyncHydratesPullReviewComments(t *testing.T) {
@@ -681,3 +702,14 @@ func TestMappingFallbackBranches(t *testing.T) {
 		t.Fatalf("thread = %+v", thread)
 	}
 }
+
+func testProgressLogger(out *bytes.Buffer) *slog.Logger {
+	return slog.New(slog.NewTextHandler(out, &slog.HandlerOptions{
+		ReplaceAttr: func(_ []string, attr slog.Attr) slog.Attr {
+			if attr.Key == slog.TimeKey {
+				return slog.Attr{}
+			}
+			return attr
+		},
+	}))
+}