MCP servers we trust
The Model Context Protocol servers we actually plug into our agents — the most powerful free picks for code, browsing, live docs, data and deploys.
23
Servers
7
Categories
$0
Forever
Serena
Code & Repos
(3)GitHub MCP
github.com
Your repos, PRs and issues
GitHub’s official server — read code, manage issues and pull requests, inspect Actions runs and review diffs without leaving the agent.
Filesystem MCP
modelcontextprotocol.io
Safe local file access
The reference filesystem server — read, write and search files inside explicitly allowed directories. The bread and butter of local agents.

Serena
github.com
Semantic code navigation & editing
Turns language-server smarts — find references, symbol search, precise symbol-level edits — into MCP tools. A free coding upgrade for any agent.

Browser & Automation
(3)Playwright MCP
github.com
Drive a real browser
Microsoft’s official server — navigate, click, fill forms and read pages through the accessibility tree. Fast, deterministic, no vision model needed.
Chrome DevTools MCP
github.com
Debug live pages like a pro
Google’s official server — console messages, network requests, screenshots and performance traces straight from a running Chrome.
Firecrawl MCP
firecrawl.dev
Web scraping to clean markdown
Crawl and scrape any site into LLM-ready markdown — handles JavaScript rendering and anti-bot pages. Open source with a generous free tier.

Search & Docs
(4)Context7
context7.com
Live, version-correct docs
Pulls current, version-specific documentation and code examples for any library straight into context — the antidote to hallucinated APIs.
DeepWiki
deepwiki.com
Ask any GitHub repo questions
Free AI-generated wikis for public repositories — query the architecture and internals of any codebase through one hosted MCP endpoint.
Exa MCP
exa.ai
Neural web search for agents
Search built for AI — semantic results, page content extraction and deep-research workflows, with a free tier to start.
Fetch MCP
modelcontextprotocol.io
URL → markdown in one tool
The reference fetch server — give it a URL, get clean markdown back. Tiny, free, no API key required.

Data & Databases
(3)Supabase MCP
supabase.com
Postgres, auth & storage by chat
The official Supabase server — run SQL, apply migrations, inspect logs and advisors, and manage projects directly from the agent.
Postgres MCP Pro
github.com
Safe SQL + performance tuning
Query any PostgreSQL database with configurable read-only safety, explain plans, index advisor and health checks. Open source.
MotherDuck MCP
motherduck.com
DuckDB analytics on anything
Run DuckDB SQL over CSVs, Parquet files and cloud data — fast local analytics for agents, free to use.

Memory & Reasoning
(2)Memory MCP
modelcontextprotocol.io
Persistent knowledge-graph memory
The reference memory server — entities, relations and observations that survive across sessions, so the agent actually remembers you.
Sequential Thinking
modelcontextprotocol.io
Structured step-by-step reasoning
Gives the model a scratchpad for decomposing hard problems into numbered, revisable thought steps. Deceptively simple, very powerful.

Productivity & Design
(4)Figma MCP
developers.figma.com
Designs straight into code
Figma’s official Dev Mode server — pull real design context, variables and components from your files so generated UI matches the design.
Notion MCP
developers.notion.com
Your workspace as agent context
Notion’s official server — search, read and write pages and databases, manage tasks and docs from the agent.
Linear MCP
linear.app
Issues & projects without tabs
Linear’s official server — create and update issues, manage projects and cycles, triage straight from the conversation.
Zapier MCP
zapier.com
One server, 7000+ apps
Connect Gmail, Sheets, Calendar, Slack and thousands more through a single hosted MCP endpoint — free tier included.

Cloud & Infra
(4)Cloudflare MCP
github.com
Workers, KV, R2 & D1 by chat
Cloudflare’s official servers — build and deploy Workers, query D1, manage KV and R2, and read docs, all on the free plan.
Vercel MCP
vercel.com
Deployments & logs in context
Vercel’s official server — inspect deployments, read build and runtime logs, and manage projects from the agent.
Sentry MCP
docs.sentry.io
Production errors, explained
Sentry’s official server — pull real stack traces and issue context into the agent and fix bugs with evidence, not guesses. Free tier.
Docker MCP Toolkit
docker.com
Run MCP servers in containers
A curated catalog plus gateway that runs servers isolated in containers — one-click, credential-safe setup from Docker Desktop.