diff --git a/README.md b/README.md
index 4a97851..a2b26db 100644
--- a/README.md
+++ b/README.md
@@ -109,6 +109,7 @@ To configure the MCP server for Gitea, add the following to your MCP configurati
       ],
       "env": {
         // "GITEA_HOST": "https://gitea.com",
+        // "GITEA_INTERACTIVE": "true",
         "GITEA_ACCESS_TOKEN": "<your personal access token>"
       }
     }
diff --git a/README.zh-cn.md b/README.zh-cn.md
index 6abca53..af8187b 100644
--- a/README.zh-cn.md
+++ b/README.zh-cn.md
@@ -109,6 +109,7 @@ cp gitea-mcp /usr/local/bin/
       ],
       "env": {
         // "GITEA_HOST": "https://gitea.com",
+        // "GITEA_INTERACTIVE": "true",
         "GITEA_ACCESS_TOKEN": "<your personal access token>"
       }
     }
diff --git a/README.zh-tw.md b/README.zh-tw.md
index 79af63a..ad1346d 100644
--- a/README.zh-tw.md
+++ b/README.zh-tw.md
@@ -109,6 +109,7 @@ cp gitea-mcp /usr/local/bin/
       ],
       "env": {
         // "GITEA_HOST": "https://gitea.com",
+        // "GITEA_INTERACTIVE": "true",
         "GITEA_ACCESS_TOKEN": "<your personal access token>"
       }
     }
diff --git a/cmd/cmd.go b/cmd/cmd.go
index 4ee9dc1..30730a7 100644
--- a/cmd/cmd.go
+++ b/cmd/cmd.go
@@ -62,6 +62,12 @@ func init() {
 		true,
 		"debug mode",
 	)
+	flag.BoolVar(
+		&flagPkg.Insecure,
+		"insecure",
+		false,
+		"ignore TLS certificate errors",
+	)
 
 	flag.Parse()
 
@@ -88,6 +94,11 @@ func init() {
 	if !debug {
 		flagPkg.Debug = os.Getenv("GITEA_DEBUG") == "true"
 	}
+
+	// Set insecure mode based on environment variable
+	if os.Getenv("GITEA_INSECURE") == "true" {
+		flagPkg.Insecure = true
+	}
 }
 
 func Execute(version string) {
diff --git a/pkg/flag/flag.go b/pkg/flag/flag.go
index 20b032a..0c6d4a6 100644
--- a/pkg/flag/flag.go
+++ b/pkg/flag/flag.go
@@ -7,5 +7,6 @@ var (
 	Version string
 	Mode    string
 
-	Debug bool
+	Insecure bool
+	Debug    bool
 )
diff --git a/pkg/gitea/gitea.go b/pkg/gitea/gitea.go
index daa9728..3aff2bd 100644
--- a/pkg/gitea/gitea.go
+++ b/pkg/gitea/gitea.go
@@ -1,6 +1,8 @@
 package gitea
 
 import (
+	"crypto/tls"
+	"net/http"
 	"sync"
 
 	"gitea.com/gitea/gitea-mcp/pkg/flag"
@@ -16,12 +18,26 @@ var (
 
 func Client() *gitea.Client {
 	clientOnce.Do(func() {
-		if client == nil {
-			c, err := gitea.NewClient(flag.Host, gitea.SetToken(flag.Token))
-			if err != nil {
-				log.Fatalf("create gitea client err: %v", err)
+		var err error
+		if client != nil {
+			return
+		}
+		opts := []gitea.ClientOption{
+			gitea.SetToken(flag.Token),
+		}
+		if flag.Insecure {
+			httpClient := &http.Client{
+				Transport: &http.Transport{
+					TLSClientConfig: &tls.Config{
+						InsecureSkipVerify: true,
+					},
+				},
 			}
-			client = c
+			opts = append(opts, gitea.SetHTTPClient(httpClient))
+		}
+		client, err = gitea.NewClient(flag.Host, opts...)
+		if err != nil {
+			log.Fatalf("create gitea client err: %v", err)
 		}
 	})
 	return client