diff --git a/mcp-server/src/index.ts b/mcp-server/src/index.ts
index abaa5bd..77f625f 100644
--- a/mcp-server/src/index.ts
+++ b/mcp-server/src/index.ts
@@ -1,30 +1,27 @@
 #!/usr/bin/env node
+/**
+ * STDIO entrypoint — for local use with Claude Desktop, Claude Code, etc.
+ *
+ * Usage:
+ *   node dist/index.js
+ *   CLAUDE_CODE_SRC_ROOT=/path/to/src node dist/index.js
+ */
 
-import { Server } from "@modelcontextprotocol/sdk/server/index.js";
 import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
-import {
-  CallToolRequestSchema,
-  ListToolsRequestSchema,
-  ListResourcesRequestSchema,
-  ReadResourceRequestSchema,
-  ListResourceTemplatesRequestSchema,
-  ListPromptsRequestSchema,
-  GetPromptRequestSchema,
-} from "@modelcontextprotocol/sdk/types.js";
-import * as fs from "node:fs/promises";
-import * as path from "node:path";
-import { fileURLToPath } from "node:url";
+import { createServer, validateSrcRoot, SRC_ROOT } from "./server.js";
 
-// ---------------------------------------------------------------------------
-// Configuration
-// ---------------------------------------------------------------------------
+async function main() {
+  await validateSrcRoot();
+  const server = createServer();
+  const transport = new StdioServerTransport();
+  await server.connect(transport);
+  console.error(`Claude Code Explorer MCP (stdio) started — src: ${SRC_ROOT}`);
+}
 
-const __filename = fileURLToPath(import.meta.url);
-const __dirname = path.dirname(__filename);
-
-const SRC_ROOT = path.resolve(
-  process.env.CLAUDE_CODE_SRC_ROOT ?? path.join(__dirname, "..", "..", "src")
-);
+main().catch((err) => {
+  console.error("Fatal error:", err);
+  process.exit(1);
+});
 
 // ---------------------------------------------------------------------------
 // Helpers
@@ -986,3 +983,4 @@ main().catch((err) => {
   console.error("Fatal error:", err);
   process.exit(1);
 });
+