Developer Tools MCP Servers
Compare the best open-source MCP servers for developer tools. SDKs, CLIs and frameworks for building with AI. Ranked by GitHub stars, with install commands, what each one can touch and scan reports where available.
Buddy Android
Android AI assistant in a floating bubble: Claude Code, Codex, OpenCode, Gemini (Antigravity CLI) or Grok use your phone for you — read the screen, tap, type. Runs on your own plan, open source, no root, no adb, no PC.
Unraid
Query, monitor, and manage Unraid servers via GraphQL API through MCP tools. Supports system info, Docker, VMs, array/parity, notifications, plugins, rclone, and live telemetry.
Express REST API And MCP Server Framework
Express REST API and MCP Server Framework is a comprehensive development framework for building RESTful APIs and MCP servers with Express.js. It provides a complete template for creating production-ready APIs using Node.js, Express, Mongoose (MongoDB), and Sequelize (SQL databases).
Frontmcp
The TypeScript framework for MCP servers Build MCP tools that share services, validate inputs and apply the access rules you configure. Bring authentication, testing, agents and background jobs into the same server, with builds for Node.js, Vercel, AWS Lambda and Cloudflare Workers.
Livetennisapi MCP
MCP server for the Live Tennis API. Gives LLM agents in Claude, Cursor and other MCP clients real-time tennis scores, odds and model win-probability.
Tailscale MCP
server that provides seamless integration with Tailscale's CLI commands and REST API, enabling automated network management and monitoring through a standardized interface
Ask User Questions MCP
Better 'AskUserQuestion' - A lightweight MCP server/OpenCode plugin/Agent Skills + CLI interface which allows parallel AI agents ask questions to you. Be the human in the human-in-the-loop!
Dsh Baton
Pass the baton from Claude Code or Codex to a local DeepSeek Harness. An MCP server that hands off tasks and brings the result back.
CLI Anything Zotero
CLI server for Zotero 7/8/9 — let AI manage your library. 70+ CLI commands for search, import, PDF, BibTeX, notes, and more. Works with Claude, Cursor, ChatGPT.
MCP Server
Model Context Protocol (MCP) server for the Webflow Data API.
Eplan MCP
MCP server for EPLAN Electric P8: ~200 tools to drive EPLAN from Claude Code, Codex, Cursor or any MCP client (actions, scripts, live DataModel, exports). Includes the eplan-tools plugin marketplace.
Fhir MCP Server
FHIR MCP Server – helping you expose any FHIR Server or API as a MCP Server.
Jevmem
jevmem saves the decisions, rules and failed approaches from your Claude Code chats to JEVMEM.md in your repo, and brings the relevant ones back next session.
CLI Microsoft365 MCP Server
Manage Microsoft 365 using MCP server
Cinema4d MCP
Cinema 4D plugin integrating Claude AI for prompt-driven 3D modeling, scene creation, and manipulation.
Pixiv CLI
Pixiv, in your terminal — a CLI, MCP server, and Go SDK for discovery, accounts, creators, collections, and downloads.
OpenKeylet
OpenKeylet — Local password and credential manager for AI agents via MCP. Use passwords, API keys, SSH, and TOTP while keeping hidden plaintext out of model context by default.
Fitter
New way for collect information from the API's/Websites
Erpnext MCP Server
Connect AI assistants to your ERPNext instance via the Model Context Protocol (MCP) using the official Frappe API.
Augments MCP Server
Comprehensive MCP server providing real-time framework documentation access for Claude Code with intelligent caching, multi-source integration, and context-aware assistance.
Deepl MCP Server
A Model Context Protocol (MCP) server that provides translation capabilities using the DeepL API.
Pfsense MCP Server
Model Context Protocol (MCP) server for pfSense firewall management. Control firewall rules, VPNs, DNS, DHCP and diagnostics in natural language from Claude Desktop, Claude Code or any MCP client — 333 wire-format-verified tools for the pfSense REST API, with safety guardrails, config backup and rollback on every change.
MCP Server
Harness’ official MCP Server
Placecall
The phone is your last API. Give your agent a voice to call any US business - reservations, inquiries, quotes. Verified outcome + transcript. First 250 calls free.
List refreshed November 15, 2026. Data comes from public GitHub repositories.