diff --git a/pkg/skills/installer.go b/pkg/skills/installer.go
index 3210509df..f9b5705f1 100644
--- a/pkg/skills/installer.go
+++ b/pkg/skills/installer.go
@@ -9,6 +9,8 @@ import (
 	"os"
 	"path/filepath"
 	"time"
+
+	"github.com/sipeed/picoclaw/pkg/utils"
 )
 
 type SkillInstaller struct {
@@ -44,7 +46,7 @@ func (si *SkillInstaller) InstallFromGitHub(ctx context.Context, repo string) er
 		return fmt.Errorf("failed to create request: %w", err)
 	}
 
-	resp, err := client.Do(req)
+	resp, err := utils.DoRequestWithRetry(client, req)
 	if err != nil {
 		return fmt.Errorf("failed to fetch skill: %w", err)
 	}
@@ -94,7 +96,7 @@ func (si *SkillInstaller) ListAvailableSkills(ctx context.Context) ([]AvailableS
 		return nil, fmt.Errorf("failed to create request: %w", err)
 	}
 
-	resp, err := client.Do(req)
+	resp, err := utils.DoRequestWithRetry(client, req)
 	if err != nil {
 		return nil, fmt.Errorf("failed to fetch skills list: %w", err)
 	}
diff --git a/pkg/utils/http_retry.go b/pkg/utils/http_retry.go
new file mode 100644
index 000000000..e90fa2129
--- /dev/null
+++ b/pkg/utils/http_retry.go
@@ -0,0 +1,57 @@
+package utils
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"time"
+)
+
+const maxRetries = 3
+
+var retryDelayUnit = time.Second
+
+func shouldRetry(statusCode int) bool {
+	return statusCode == http.StatusTooManyRequests ||
+		statusCode >= 500
+}
+
+func DoRequestWithRetry(client *http.Client, req *http.Request) (*http.Response, error) {
+	var resp *http.Response
+	var err error
+
+	for i := range maxRetries {
+		if i > 0 && resp != nil {
+			resp.Body.Close()
+		}
+
+		resp, err = client.Do(req)
+		if err == nil {
+			if resp.StatusCode == http.StatusOK {
+				break
+			}
+			if !shouldRetry(resp.StatusCode) {
+				break
+			}
+		}
+
+		if i < maxRetries-1 {
+			if err = sleepWithCtx(req.Context(), retryDelayUnit*time.Duration(i+1)); err != nil {
+				return nil, fmt.Errorf("failed to sleep: %w", err)
+			}
+		}
+	}
+	return resp, err
+}
+
+func sleepWithCtx(ctx context.Context, d time.Duration) error {
+	timer := time.NewTimer(d)
+	defer timer.Stop()
+
+	select {
+	case <-ctx.Done():
+		return ctx.Err()
+	case <-timer.C:
+		return nil
+	}
+}
diff --git a/pkg/utils/http_retry_test.go b/pkg/utils/http_retry_test.go
new file mode 100644
index 000000000..1c2dbe115
--- /dev/null
+++ b/pkg/utils/http_retry_test.go
@@ -0,0 +1,118 @@
+package utils
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestDoRequestWithRetry(t *testing.T) {
+	retryDelayUnit = time.Millisecond
+	t.Cleanup(func() { retryDelayUnit = time.Second })
+
+	testcases := []struct {
+		name           string
+		serverBehavior func(*httptest.Server) int
+		wantSuccess    bool
+		wantAttempts   int
+	}{
+		{
+			name: "success-on-first-attempt",
+			serverBehavior: func(server *httptest.Server) int {
+				return 0
+			},
+			wantSuccess:  true,
+			wantAttempts: 1,
+		},
+		{
+			name: "fail-all-attempts",
+			serverBehavior: func(server *httptest.Server) int {
+				return 4
+			},
+			wantSuccess:  false,
+			wantAttempts: 3,
+		},
+	}
+
+	for _, tc := range testcases {
+		t.Run(tc.name, func(t *testing.T) {
+			attempts := 0
+			server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+				attempts++
+				if attempts <= tc.serverBehavior(nil) {
+					w.WriteHeader(http.StatusInternalServerError)
+					return
+				}
+				w.WriteHeader(http.StatusOK)
+				w.Write([]byte("success"))
+			}))
+
+			t.Cleanup(func() {
+				server.Close()
+			})
+
+			client := &http.Client{Timeout: 5 * time.Second}
+			req, err := http.NewRequest(http.MethodGet, server.URL, nil)
+			require.NoError(t, err)
+
+			resp, err := DoRequestWithRetry(client, req)
+
+			if tc.wantSuccess {
+				require.NoError(t, err)
+				require.NotNil(t, resp)
+				assert.Equal(t, http.StatusOK, resp.StatusCode)
+				resp.Body.Close()
+			} else {
+				require.NotNil(t, resp)
+				assert.Equal(t, http.StatusInternalServerError, resp.StatusCode)
+				resp.Body.Close()
+			}
+
+			assert.Equal(t, tc.wantAttempts, attempts)
+		})
+	}
+}
+
+func TestDoRequestWithRetry_Delay(t *testing.T) {
+	retryDelayUnit = time.Millisecond
+	t.Cleanup(func() { retryDelayUnit = time.Second })
+
+	var start time.Time
+	delays := []time.Duration{}
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if len(delays) == 0 {
+			delays = append(delays, 0)
+			w.WriteHeader(http.StatusInternalServerError)
+			return
+		}
+		if len(delays) == 1 {
+			start = time.Now()
+			delays = append(delays, 0)
+			w.WriteHeader(http.StatusInternalServerError)
+			return
+		}
+		if len(delays) == 2 {
+			elapsed := time.Since(start)
+			delays = append(delays, elapsed)
+			w.WriteHeader(http.StatusOK)
+			w.Write([]byte("success"))
+		}
+	}))
+	defer server.Close()
+
+	client := &http.Client{Timeout: 10 * time.Second}
+	req, err := http.NewRequest(http.MethodGet, server.URL, nil)
+	require.NoError(t, err)
+
+	resp, err := DoRequestWithRetry(client, req)
+	require.NoError(t, err)
+	require.NotNil(t, resp)
+	assert.Equal(t, http.StatusOK, resp.StatusCode)
+	resp.Body.Close()
+
+	assert.GreaterOrEqual(t, delays[2], time.Millisecond)
+}