Deno MCP Server

A Model Context Protocol (MCP) server for executing Deno TypeScript/JavaScript code. This server allows LLMs like Claude to run Deno code securely with configurable permissions.

Local serverstdio

What is the Deno MCP Server?

Deno MCP Server is an MCP project maintained in the timtech4u/deno-mcp-server repository. The maintainer describes its purpose as “A Model Context Protocol (MCP) server for executing Deno TypeScript/JavaScript code. This server allows LLMs like Claude to run Deno code securely with configurable permissions”. Read the project documentation for the complete scope.

Local setup

The project provides a local client configuration using node. Follow the repository’s build and installation steps before copying it, and replace example paths with the paths on your own computer.

Source

Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.

Recorded tools

Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.

Tool	What it does
code	string, required): The Deno code to execute
permissions	array of strings, optional): List of permissions to grant (e.g., "net", "read", "write", "env", "run", etc.)
unstable	boolean, optional): Whether to enable unstable features
typescript	boolean, optional): Whether the code is TypeScript (true) or JavaScript (false)
execute_deno_code
check_deno_version

How to install the Deno MCP Server

{
  "mcpServers": {
    "deno": {
      "command": "node",
      "args": [
        "/absolute/path/to/deno-mcp/dist/index.js"
      ],
      "disabled": false,
      "autoApprove": [
        "execute_deno_code",
        "check_deno_version"
      ]
    }
  }
}

From the project documentation. Replace placeholders and example paths before connecting.