Deno MCP Template Repo

@phughesmcr

Basic information

About Deno MCP Template Repo

A template repo for writing and publishing local, remote, DXT, and binary MCP servers using Deno.

Deno MCP Template Repo config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "deno-mcp-template": {
      "command": "deno",
      "args": [
        "task",
        "setup"
      ]
    }
  }
}

Deno MCP Template Repo tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is Deno MCP Template Repo?

A batteries-included starting point for building production Model Context Protocol (MCP) servers in TypeScript using Deno. It ships with STDIO and HTTP transports, security middleware, persistent state, sandboxed execution, CI/CD workflows, and multiple distribution formats including JSR packages, native binaries, DXT extensions, and Deno Deploy hosting.

How to use Deno MCP Template Repo?

Clone the template with gh repo create my-mcp-server --template phughesmcr/deno-mcp-template, run deno task setup for one-time placeholder renaming, then start with deno task start to run both STDIO and HTTP on localhost:3001. Connect any MCP client by configuring the command to deno run -A main.ts or use a compiled binary, JSR package, or DXT extension.

Key features of Deno MCP Template Repo

Dual STDIO and Streamable HTTP transports from a single app
Deno KV persistent state with zero-config local storage
HTTP middleware including rate limiting, CORS, and bearer auth
Sandboxed code execution via @deno/sandbox microVMs
CI/CD workflows for testing, release, deploy, and JSR publish
Multiple distribution formats: JSR, binary, DXT, or Deno Deploy
Example prompts, resources, tools, and task workflows included

Use cases of Deno MCP Template Repo

Quickly scaffold a production-ready MCP server for AI agent integration
Serve MCP tools and resources over STDIO for desktop clients like Claude Desktop or Cursor
Deploy a remote MCP server with Streamable HTTP for cloud-hosted agents
Publish an MCP server as a JSR package or standalone binary for distribution
Experiment with MCP features including sampling, elicitation, subscriptions, and async tasks

Frequently asked questions

What transports does the server support?

The server supports both STDIO transport and Streamable HTTP transport, running simultaneously from a single application.

What runtime and dependencies are required?

You need Deno installed. No external databases like Postgres or Redis are required — Deno KV provides persistent state locally and on Deno Deploy.

Where does data persist?

Data persists in Deno KV, which works zero-config locally and is built-in on Deno Deploy. An event store for session resumability is also KV-backed.

How do I secure the HTTP endpoint?

Set `MCP_HTTP_BEARER_TOKEN` for bearer authentication; set `MCP_REQUIRE_HTTP_AUTH=true` to fail startup if no token is provided. CORS allows only explicit origins, rate limiting is applied, and binding to non-loopback without a token logs a warning.

What distribution formats are available?

You can run locally via STDIO, serve over HTTP, publish as a JSR package, compile to a native binary, package as a DXT extension, or deploy to Deno Deploy.

Comments

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