diff --git a/plugin/.claude-plugin/plugin.json b/plugin/.claude-plugin/plugin.json
index a92afa4..5af8ae0 100644
--- a/plugin/.claude-plugin/plugin.json
+++ b/plugin/.claude-plugin/plugin.json
@@ -7,8 +7,9 @@
     "email": "support@deploygate.com"
   },
   "homepage": "https://deploygate.com",
+  "repository": "https://github.com/DeployGate/deploygate-agent-plugin",
   "license": "MIT",
-  "documentationUrl": "https://github.com/DeployGate/deploygate-agent-plugin#readme",
+  "documentationUrl": "https://docs.deploygate.com/docs/developer-tools/agent-plugin/",
   "supportUrl": "https://github.com/DeployGate/deploygate-agent-plugin/blob/main/SUPPORT.md",
   "privacyPolicyUrl": "https://deploygate.com/terms/privacy",
   "termsOfServiceUrl": "https://deploygate.com/terms",
diff --git a/src/__tests__/plugin.test.ts b/src/__tests__/plugin.test.ts
index ade7ca8..f229041 100644
--- a/src/__tests__/plugin.test.ts
+++ b/src/__tests__/plugin.test.ts
@@ -84,6 +84,7 @@ describe("plugin/.claude-plugin/plugin.json", () => {
   // README.
   it("sets https:// directory listing links", () => {
     for (const field of [
+      "repository",
       "documentationUrl",
       "supportUrl",
       "privacyPolicyUrl",