best of · updated August 2026

The 15 best open-source MCP servers

The 15 open-source MCP servers worth your time, out of 3,557 licensed ones we track. Ranked on monthly installs, GitHub stars, and commit recency. Checked nightly.

Every server here carries a real open-source license, so you can read the code before you trust it with your data, fork it when you need a private variant, and pin the exact version you audited. License terms differ: the page for each server names its license, and the table below shows which licenses dominate.

01 Playwright MCP ★ 36,436 · commit 2026-08-21 A Model Context Protocol (MCP) server that provides browser automation capabilities using Playwright. Apache-2.0 · 25,988,876 installs/mo 02 Chrome DevTools MCP ★ 49,617 · commit 2026-08-23 Chrome DevTools for agents (chrome-devtools-mcp) lets your coding agent (such as Antigravity, Claude, Cursor or Copilot) control and inspect a live Chrome browser. Apache-2.0 · 7,879,708 installs/mo 03 Context7 ★ 61,171 · commit 2026-08-24 Up-to-date code docs for any prompt MIT · 4,108,483 installs/mo 04 Firebase MCP ★ 4,460 · commit 2026-08-25 The Firebase Command Line Interface (CLI) Tools can be used to test, manage, and deploy your Firebase project from the command line. MIT · 10,734,044 installs/mo 05 Storybook MCP Addon ★ 268 · commit 2026-08-21 Help agents automatically write and test stories for your UI components. MIT · 7,699,261 installs/mo 06 Firecrawl MCP Server ★ 7,310 · commit 2026-08-25 A Model Context Protocol (MCP) server that brings Firecrawl to MCP-compatible AI agents - search, scrape, and interact with the live web for clean, agent-ready context. MIT · 512,194 installs/mo 07 Edgar Tools ★ 2,613 · commit 2026-08-25 EdgarTools is a Python library for accessing SEC EDGAR filings as structured data. MIT · 967,091 installs/mo 08 Azure MCP Server ★ 3,598 · commit 2026-08-21 All Azure MCP tools to create a seamless connection between AI agents and Azure services. MIT · 500,118 installs/mo 09 Agent Device (callstack) ★ 4,212 · commit 2026-08-24 Mobile app automation and verification for AI coding agents. MIT · 586,584 installs/mo 10 Serena ★ 28,461 · commit 2026-08-20 A powerful toolkit for coding, providing semantic retrieval and editing capabilities. MIT · 162,532 installs/mo 11 Xcode Build MCP ★ 6,274 · commit 2026-08-12 A Model Context Protocol (MCP) server and CLI that provides tools for agent use when working on iOS and macOS projects. MIT · 597,794 installs/mo 12 Ha MCP ★ 4,503 · commit 2026-08-24 A comprehensive Model Context Protocol (MCP) server that enables AI assistants to interact with Home Assistant. MIT · 504,877 installs/mo 13 Claude Flow ★ 69,309 · commit 2026-08-24 An agent meta-harness for Claude Code and Codex. MIT · 79,547 installs/mo 14 Supabase ★ 2,871 · commit 2026-08-22 The Model Context Protocol (MCP) standardizes how Large Language Models (LLMs) talk to external services like Supabase. Apache-2.0 · 374,748 installs/mo 15 Figma Context MCP ★ 15,705 · commit 2026-08-07 Give your coding agent access to your Figma data. MIT · 351,765 installs/mo

Which licenses dominate

Across all 3,557 licensed servers we track:

MIT 2,646 servers
Apache-2.0 663 servers
AGPL-3.0 145 servers
GPL-3.0 46 servers
ISC 10 servers
MPL-2.0 8 servers

Quick answers

Which license do most open-source MCP servers use?

MIT, by a wide margin: 2,646 of the 3,557 licensed servers we track use it, followed by Apache-2.0 (663). 3,333 carry permissive licenses overall.

Can I use these MCP servers in a commercial product?

Most carry permissive licenses (MIT, Apache-2.0, BSD) that generally allow commercial use with attribution. Copyleft licenses (GPL, AGPL) add conditions. Each server's page names its exact license; check it before you ship.

How this list is ranked

Ranked from live registry + GitHub data: monthly installs, GitHub stars, and commit recency, recomputed nightly. A server with no declared license, or only a NOASSERTION stub, is not listed here regardless of popularity. No pay-to-rank, ever. Full recipe: how we verify.