diff --git a/external.ts b/external.ts
index b1b3d6a..ac5daa0 100644
--- a/external.ts
+++ b/external.ts
@@ -12,6 +12,7 @@ export const ghPullfrogMcpName = "gh_pullfrog";
 export interface AgentManifest {
   displayName: string;
   apiKeyNames: string[];
+  url: string;
 }
 
 // agent manifest - static metadata about available agents
@@ -19,18 +20,22 @@ export const agentsManifest = {
   claude: {
     displayName: "Claude Code",
     apiKeyNames: ["anthropic_api_key"],
+    url: "https://claude.com/claude-code",
   },
   codex: {
     displayName: "Codex CLI",
     apiKeyNames: ["openai_api_key"],
+    url: "https://platform.openai.com/docs/guides/codex",
   },
   cursor: {
     displayName: "Cursor CLI",
     apiKeyNames: ["cursor_api_key"],
+    url: "https://cursor.com/",
   },
   gemini: {
     displayName: "Gemini CLI",
     apiKeyNames: ["google_api_key", "gemini_api_key"],
+    url: "https://ai.google.dev/gemini-api/docs",
   },
 } as const satisfies Record<string, AgentManifest>;
 
diff --git a/mcp/comment.ts b/mcp/comment.ts
index 7aedf2b..45f82ac 100644
--- a/mcp/comment.ts
+++ b/mcp/comment.ts
@@ -11,18 +11,7 @@ function buildCommentFooter(payload: Payload): string {
   const agentName = payload.agent;
   const agentInfo = agentName ? agentsManifest[agentName] : null;
   const agentDisplayName = agentInfo?.displayName || "Unknown Agent";
-
-  // agent URLs based on manifest
-  const agentUrls: Record<string, string> = {
-    claude: "https://claude.com/claude-code",
-    codex: "https://platform.openai.com/docs/guides/codex",
-    cursor: "https://cursor.com/",
-    gemini: "https://ai.google.dev/gemini-api/docs",
-  };
-
-  const agentUrl = agentName
-    ? agentUrls[agentName] || "https://pullfrog.ai"
-    : "https://pullfrog.ai";
+  const agentUrl = agentInfo?.url || "https://pullfrog.ai";
 
   // build workflow run URL
   const workflowRunUrl = runId