Best Open-Source MCPs

Read and write local files with configurable access controls.

Current time and IANA timezone conversion — the first-party MCP that tells an agent what time it actually is.

Persistent memory layer for AI agents — auto-summarised, cross-session recall.

Retrieve web pages and convert them to clean markdown.

Local Git operations: commit, diff, log, branch, and more.

Structured step-by-step reasoning for complex problem solving.

Persistent knowledge graph memory across AI conversations.

8

GitHub

Git & Repo Workflows

Official

Full GitHub API access: repos, PRs, issues, and code search.

Official Microsoft browser automation across Chromium, Firefox, and WebKit.

Google-published MCP server for databases — one Go binary speaks Postgres, MySQL, BigQuery, Spanner, AlloyDB, Snowflake, ClickHouse, MongoDB, Redis, and more.

Query dashboards, Prometheus/Loki datasources, alerts, and incidents from an AI agent — official.

Scrape, crawl, extract structured data, and search the web from an AI agent.

Search, scrape, and unblock any public web page from an AI agent — official Web Unlocker MCP.

Run `fly mcp server` to expose flyctl operations to AI agents.

Neural web search and page fetch for AI agents — official remote MCP at mcp.exa.ai/mcp.

Look up Terraform Registry providers and modules, and manage HCP Terraform workspaces from an AI agent.

Reach the whole Cloudflare API from an agent — DNS records, Workers, R2, and the Registrar beta — through one hosted Code Mode server.

Query and inspect MongoDB collections from Claude, Cursor, and VS Code.

Manage Azure resources across 40+ services from an AI agent — Microsoft's official MCP.

Build and validate n8n workflows with an agent that knows all 2,000+ n8n nodes — most-installed n8n MCP.

Up-to-date library docs pulled directly into your AI context.

22

Stripe

Commerce & Payments

Official

Manage payments, customers, and subscriptions through Stripe.

Search, ask, research, and reason via the official Perplexity MCP.

Inspect keys, run commands, and debug Redis from an AI agent.

Vision-first browser automation built for AI agents.

Drive Azure DevOps repos, pull requests, work items, and pipelines from an AI agent — Microsoft official.

27

Notion

Docs & Notes

Official

Read, write, and search across Notion pages, databases, and blocks.

Drive a live Blender session from an agent — create objects, set materials, run Python, render.

Query GA4 reports, funnels, and realtime data from an AI agent.

Query ClickHouse and ClickHouse Cloud columnar warehouses from an AI agent.

Open-source workflow automation with a built-in MCP server — build, publish, and debug flows from an AI agent.

Read, write, and manage GCS buckets and objects from an AI agent — official Google MCP, local or remote.

Query Google Ads campaigns, metrics, and account performance with GAQL — Google's official MCP.

34

Supabase

Databases

Full Supabase access: database, auth, storage, and edge functions.

35

Figma (Framelink)

Design & Creative

Inspect Figma designs, components, and variables from an agent — the widely adopted community server.

Send transactional and broadcast emails via the official Resend MCP.

Ad-free, high-quality web search and page-to-markdown extraction from an AI agent.

Search indices, inspect mappings, and run queries against Elasticsearch from an AI agent.

Official Mapbox MCP — geocoding, directions, isochrones, search, and tiles across the Mapbox API surface.

Official Salesforce MCP — SOQL queries, metadata deploy/retrieve, Apex tests, and org management from AI clients.

Scrape any URL, render JavaScript, and reach geo-restricted data — official Oxylabs Web Scraper MCP.

Full GitLab API access: repos, MRs, issues, pipelines, and registries.

Triage errors, inspect traces, and query events from Sentry.

Manage Jira, Confluence, and Compass via the official Atlassian Rovo MCP.

Live SERP, keyword, backlink, and on-page SEO data for an AI agent.

Inspect and manage Kubernetes clusters through kubectl-equivalent tools, with a non-destructive mode.

Local-first agent memory as plain Markdown — a semantic knowledge graph you and the agent can both read.

Provision Render services, read deploy logs and metrics, and query Postgres read-only — over a hosted OAuth MCP.

In-process analytical SQL over files and Parquet from an AI agent.

Buy a domain, provision hosting, deploy a site, and set its DNS — one official server covering the whole chain, now through three search-and-execute tools.

Official Xero MCP — invoices, contacts, bank transactions, and accounting from an agent.

Manage Droplets, App Platform, Kubernetes, and Spaces from an AI agent.

Process payments and manage orders, catalog, inventory, and bookings on Square — official MCP.

Score npm, PyPI, Go, and Maven dependencies for supply-chain and vulnerability risk before an agent installs them.

Production-grade Postgres MCP with index advice, EXPLAIN, and health checks.

56

Netlify

Web Hosting

Official

Deploy a site, read the build, and manage projects, forms and extensions with Netlify's official MCP server.

Open-source vector search with payload filtering, self-hostable or managed.

Manage Heroku apps, dynos, add-ons, and Postgres from an AI agent.

Manage Mailgun messaging, domains, webhooks, and analytics from an AI agent.

Model, write and publish structured content from an agent — 73 tools across entries, assets and content types.

Real-time web search with privacy-focused results.

AI-native browser automation: act, observe, and extract in plain English.

Outlook mail and calendar, Teams, OneDrive and Excel through one Graph API server.

Turn Make.com on-demand scenarios into agent-callable tools — official MCP.

Official Plaid MCP — developer sandbox tooling and dashboard diagnostics, not a live bank-data connector.

Read and write notes in your local Obsidian vault.

Open-source agentic browser automation that handles login walls and CAPTCHAs.

Read dynamic and static secrets from HashiCorp Vault inside agent workflows.

Read, search and send Telegram messages as your own account — 80+ tools over Telethon, with a read-only mode and a chat allowlist.

Manage subscriptions, transactions, products, prices, and financial reports on Paddle — official MCP.

Geocoding, place search, directions, and travel times from Google Maps.

Read, create, and manage events across Google Calendar — via Google's official remote MCP or a self-hosted community server.

Run QuickBooks Online accounting from an agent — invoices, bills, payments, and financial reports.

Supervisor-and-worker multi-agent coordination across coding CLIs — handoffs over MCP.

Run read-only MySQL queries and inspect schemas from an AI agent.

Read and create events in Apple Calendar via CalDAV from any MCP client.

AI-driven task management and decomposition for long-running agent projects.

Query Search Console clicks, impressions, and queries from an AI agent.

Diagnose a domain before and after you change it — DNS, DNSSEC, SPF, DKIM, DMARC, TLS — with no API key.

Read and post to Discord channels — community management for AI agents.

Capture context and decisions across sessions — durable agent memory in markdown.

Register, transfer and manage Name.com domains and DNS from an agent — the official server, sandboxed by default.

Open-source SAST scanning against custom rules from an AI agent.

Embedded and hosted vector database for AI agents — open source, zero-ops.

85

Slack (community)

Communication

Read and send Slack messages, manage channels and threads — the token-based community server, no admin approval needed.

Self-hosted Slack alternative — read and post from an AI agent.

Deploy to your own server from an agent — the self-hosted answer to Vercel and Railway.

Publish and manage a WordPress site from an agent over the REST API — posts, pages, media, plugins, themes.

Local SQLite database access with full read/write support.

Anthropic's reference Postgres MCP — archived July 2025 and superseded by Postgres MCP Pro or the Supabase MCP.

91

Shopify

Commerce & Payments

Official

Build on Shopify with an agent — searches the dev docs and validates generated GraphQL, components and Liquid themes.

Search and read Google Drive files from an AI agent (archived reference implementation).

Draft, schedule and publish to Ghost with a preview-then-approve gate on every write.

Official Cal.com hosted MCP — AI agents book, reschedule, and query availability across 34 tools via OAuth 2.1, no local install.

Turn a vague goal into a dependency-tracked task graph an agent can execute step by step.

Browse, search, and Q&A across Box content from an AI agent — official remote MCP.

Official Foursquare Places MCP — POI search, GeoTagging, and rich place metadata across 100M+ places.

Full browser automation: navigate, click, screenshot, and scrape.

99

Hugging Face

AI & Machine Learning

Search, inspect, and run Hugging Face models and datasets from an agent.

Trigger and manage n8n workflows from an AI agent. Community MCP wrapper archived; n8n itself is unaffected.

Self-hosted Git server — manage repos, issues, and PRs from an AI agent.

Create invoices, capture orders, issue refunds, and track disputes on PayPal — official MCP.

Secure cloud sandboxes for executing AI-generated code — npm MCP package archived; vendor recommends the hosted E2B platform.

Send, read, search, and label Gmail from an AI agent — community MCP with auto-OAuth.

Manage Linear issues, projects, and cycles from AI context.

Vector database with first-class hybrid (vector + keyword) and modular embeddings (MCP server archived — package no longer published).

Multi-model orchestration — let Claude consult Gemini, GPT, and o-series as sub-agents. Upstream community repository archived; no further maintenance.

At-cost registration and full DNS control from an agent — read-only until you explicitly turn writes on.

Read and edit a Namecheap portfolio from any MCP client — the non-ChatGPT path to the same account.

Self-hosted CMS content and schema editing from an agent — 20 tools including content-type creation.

Inspect schemas and run SQL against a Snowflake account from an AI agent.

Real-time and forecast weather data via the OpenWeatherMap API.