Filesystem

vendor: Anthropic

license: MIT

install: npx -y @modelcontextprotocol/server-filesystem /path/to/dir

notes: Read/write/list files in a sandboxed directory. The most-installed MCP server. Default for any agent that needs local file access.


Fetch

install: pip install mcp-server-fetch

notes: Convert URLs to markdown for LLM consumption. Lightweight web reader; pair with Brave or Tavily for search.


Memory

notes: Knowledge graph persisted across sessions. The reference long-term-memory implementation; many agents fork this as their starting point.


Sequential Thinking

notes: Structured chain-of-thought tool. Surprisingly useful as a poke for models that under-plan.


Brave Search

vendor: Brave

notes: Web search via Brave Search API. 2k free queries/month. Cheaper than Google CSE for agent workloads.


Tavily

vendor: Tavily

transports: stdio http

install: npx -y @tavily/mcp

notes: AI-optimized web search. Returns structured snippets and full-page extraction. Standard search MCP for research agents.


Exa

vendor: Exa Labs

install: npx -y exa-mcp-server

notes: Embedding-based search. Better than keyword for "find me content like X" queries.


Playwright MCP

vendor: Microsoft

capabilities: browser puppeteer

install: npx -y @playwright/mcp

notes: Microsoft's official Playwright MCP. Accessibility-tree based, not screenshot. Faster and more reliable than vision-based browser agents.


Browser Use MCP

vendor: Browser Use

install: pip install browser-use-mcp

notes: Wraps the browser-use library. Vision-based browser agent with strong WebArena performance.


Puppeteer

notes: Reference Puppeteer MCP. Headless Chrome with screenshot + click + form-fill. Older than Playwright MCP but well-tested.


GitHub

vendor: GitHub

install: npx -y @github/github-mcp-server

notes: GitHub's official MCP. Issues, PRs, files, search, actions. The most-installed third-party MCP after the Anthropic reference servers.


GitLab

vendor: GitLab

notes: GitLab API access. Issues, MRs, pipelines.


Slack

notes: Read channels, post messages, search. Bot-token auth.


Gmail

vendor: Google

notes: Read and send Gmail. OAuth flow built in. Most-deployed Gmail MCP.


Notion

vendor: Notion

install: npx -y @notionhq/notion-mcp-server

notes: Notion's official MCP. Pages, databases, search. Use for any agent working with Notion as a knowledge base.


Linear

vendor: Linear

install: npx -y @linear/mcp-server

notes: Linear's official MCP. Issues, projects, comments. Workflow-grade integration for engineering agents.


Google Drive

notes: Read Google Drive files. OAuth required.


Google Calendar

vendor: community

install: npx -y @cocal/google-calendar-mcp

notes: Read/create calendar events. Most-installed community Gcal MCP.


PostgreSQL

install: npx -y @modelcontextprotocol/server-postgres postgres://user:pass@host:5432/db

notes: Read-only Postgres queries. Schema introspection + ad-hoc SQL. Defaults safe (read-only).


SQLite

install: npx -y @modelcontextprotocol/server-sqlite path/to/db.sqlite

notes: Local SQLite access. Useful for agent dev, data exploration, lightweight memory.


Supabase

vendor: Supabase

install: npx -y @supabase/mcp-server-supabase

notes: Supabase's official MCP. SQL, storage, auth. Project management for agents that own a Supabase project.


AWS

vendor: AWS

install: pipx install awslabs.aws-mcp-server

notes: AWS Labs official MCP collection. Covers core AWS services + Bedrock + DynamoDB + S3.


Cloudflare

vendor: Cloudflare

notes: Cloudflare's official MCP. Workers, KV, R2, D1, Pages. Manage account from agent.


Vercel

install: npx -y vercel-mcp

notes: Deploy, list, inspect Vercel projects. Most-installed community Vercel MCP.


Sentry

vendor: Sentry

capabilities: sentry observability

install: uvx mcp-server-sentry

notes: Read Sentry issues + events. Useful for agent-driven incident triage.


Datadog

capabilities: datadog observability

install: npx -y datadog-mcp

notes: Query Datadog metrics, logs, monitors. Read-only by default. Pairs with Sentry for full observability access.


Shell

install: npx -y mcp-shell-server

notes: Run shell commands from MCP. Default-deny safelist; explicit per-command approval. Use with care.


TensorFeed

capabilities: analytics web-search

install: npx -y @tensorfeed/mcp-server

notes: AI ecosystem data tools: news, status, models, benchmarks, harnesses, attention index, embeddings, vector DBs, frameworks, usage rankings. Free tier; paid premium tools require a USDC credit token.


TensorFeed x402 Base Reader

install: npx -y @tensorfeed/x402-base-mcp

notes: Read-only Base mainnet chain reader for x402 payment verification. Eleven tools: verify x402 settlements on-chain, parse publisher /.well-known/x402 manifests, query USDC balances and transfers, check AFTA federation status. No private keys; verification only. Drop-in for any agent that needs to independently confirm an x402 payment receipt.


Stripe

vendor: Stripe

install: npx -y @stripe/mcp

notes: Stripe's official MCP. Customers, subscriptions, products. Restricted-key auth recommended.


ElevenLabs

vendor: ElevenLabs

install: pip install elevenlabs-mcp

notes: Generate speech, manage voices, cloning. Useful for agents that need to synthesize audio output.