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.

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.

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.

25

Stripe

Commerce & Payments

Official

Manage payments, customers, and subscriptions through Stripe.

26

Notion

Docs & Notes

Official

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

Manage Workers, R2 buckets, DNS, and edge policies on Cloudflare.

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

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.

33

Supabase

Databases

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

34

Figma (Framelink)

Design & Creative

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

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

Send transactional and broadcast emails via the official Resend MCP.

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

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

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

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.

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

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

Read and write notes in your local Obsidian vault.

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

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

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

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

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

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

Send messages and read channel history from a Telegram bot in an agent.

Real-time web search with privacy-focused results.

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

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

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

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

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

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.

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

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

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

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

69

Slack (community)

Communication

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

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

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

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

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

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

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

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

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

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

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

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.

82

Shopify

Commerce & Payments

Official

Read products, orders, and inventory from your Shopify store.

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

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

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.

Register and manage Name.com domains via the official MCP, auto-generated from their OpenAPI.

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.

91

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.

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.

Deploy and manage Render web services, static sites, cron jobs, and Postgres from an AI agent. Official MCP server is archived; Render platform is unaffected.

Manage Porkbun domains, DNS, DNSSEC, and SSL — read-only by default. Community MCP repository archived; Porkbun itself is unaffected.

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

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

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