start mcp server in memory

mcp/config.ts

@@ -3,11 +3,8 @@
  */
 
 import type { McpServerConfig } from "@anthropic-ai/claude-agent-sdk";
-import { fromHere } from "@ark/fs";
 import { parseRepoContext } from "../utils/github.ts";
 
-const actionPath = fromHere("..");
-
 export const ghPullfrogMcpName = "gh-pullfrog";
 
 export type McpName = typeof ghPullfrogMcpName;
@@ -18,10 +15,15 @@ export function createMcpConfigs(githubInstallationToken: string): McpConfigs {
   const repoContext = parseRepoContext();
   const githubRepository = `${repoContext.owner}/${repoContext.name}`;
 
+  // Get absolute path to entry.cjs - use GITHUB_ACTION_PATH if available, otherwise current directory
+  const entryPath = process.env.GITHUB_ACTION_PATH
+    ? `${process.env.GITHUB_ACTION_PATH}/entry.cjs`
+    : `${process.cwd()}/entry.cjs`;
+
   return {
     [ghPullfrogMcpName]: {
       command: "node",
-      args: [`${actionPath}/mcp/server.ts`],
+      args: ["-e", `require('${entryPath.replace(/'/g, "\\'")}').createMcpServer()`],
       env: {
         GITHUB_INSTALLATION_TOKEN: githubInstallationToken,
         GITHUB_REPOSITORY: githubRepository,

mcp/server.ts

@@ -8,18 +8,20 @@ import { PullRequestInfoTool } from "./prInfo.ts";
 import { ReviewTool } from "./review.ts";
 import { addTools } from "./shared.ts";
 
-const server = new FastMCP({
-  name: "gh-pullfrog",
-  version: "0.0.1",
-});
+export function createMcpServer(): void {
+  const server = new FastMCP({
+    name: "gh-pullfrog",
+    version: "0.0.1",
+  });
 
-addTools(server, [
-  CreateCommentTool,
-  EditCommentTool,
-  IssueTool,
-  PullRequestTool,
-  ReviewTool,
-  PullRequestInfoTool,
-]);
+  addTools(server, [
+    CreateCommentTool,
+    EditCommentTool,
+    IssueTool,
+    PullRequestTool,
+    ReviewTool,
+    PullRequestInfoTool,
+  ]);
 
-server.start();
+  server.start();
+}