MCP servers.
Connect a server the community built.
An MCP server is a program somebody else built that gives your AI new tools: search a service, read a file, call an API.
Connect one here and Claude, Claude Code, ChatGPT, Codex and Cursor all reach it through a single endpoint, with your key held on the server side.
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11,707 results · page 300 of 391
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opencrater-mcpMCP serverDev tools
Monetize your MCP server or CLI: live OpenCrater network stats + how maintainers earn USDC.
Ready to connect
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opendata-swissMCP serverDev tools
opendata.swiss MCP — Switzerland's federal open-data portal (CKAN catalogue).
Ready to connect
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opendesignguard-mcpMCP serverMonitoring & ops
Paid remote MCP for agent design system guard MCP, structured receipts, audit logs, and reviewer-rea
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opendirectories-business-dataMCP serverSearch
Search 12M+ verified businesses across 10 countries via government registers.
Ready to connect
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opendosm-myMCP serverDev tools
data.gov.my / OpenDOSM (Department of Statistics Malaysia) — official Malaysian open-data API.
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openfabMCP serverMonitoring & ops
Instant parametric cost estimates for custom manufacturing: CNC, molding, sheet metal, 3DP, PCB.
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openfdaMCP serverDev tools
OpenFDA MCP — wraps the openFDA API (free, no auth required)
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openfemaMCP serverDev tools
OpenFEMA MCP — US Federal Emergency Management Agency open data.
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openfigiMCP serverCommerce & finance
OpenFIGI — Bloomberg open financial-instrument symbology service
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openfoodfactsMCP serverDatabases & data
Open Food Facts — collaborative food product database
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openfoodfacts-mcp-serverMCP serverSearch
Barcode lookup, nutrition search, and product comparison for 3M+ crowd-sourced food products.
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openfoodtoxMCP serverEverything else
EFSA OpenFoodTox — the reference values EFSA has derived for chemical
Ready to connect
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opengist-mcpMCP serverDev tools
Read, create, update and delete gists on a self-hosted Opengist instance
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openhouse-copilotMCP serverAI & models
AI open-house assistant for agents: sign-in kiosk + automated, consent-aware follow-ups.
Ready to connect
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openibanMCP serverDev tools
OpenIBAN MCP — validate an IBAN's checksum + bank code and resolve the
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openligadbMCP serverDev tools
OpenLigaDB MCP — community-run, keyless football / soccer match data.
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openoakMCP serverDocs & knowledge
Secure AI access to OpenOak tasks, notes, and Kanban boards.
Ready to connect
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openparliament-caMCP serverDev tools
OpenParliament.ca MCP — civic-tech mirror of the Parliament of Canada
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openqfrMCP serverSearch
Search machine-readable quantitative strategy failure evidence before repeating failed research.
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openreviewMCP serverDev tools
OpenReview MCP — ML conference submissions and reviews (API v2)
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openrouter-adminMCP serverDev tools
MCP server for OpenRouter management API: credits, key CRUD, activity drill-down, dashboard.
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openrouteserviceMCP serverDev tools
Routing, isochrones, matrix, snap, elevation, geocode via Openrouteservice.
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opensensemapMCP serverDev tools
openSenseMap MCP — citizen-science environmental sensor network (opensensemap.org)
Ready to connect
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openskyMCP serverDev tools
OpenSky MCP — OpenSky Network API (free, no auth for anonymous access)
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openstatesMCP serverDev tools
OpenStates MCP — bills, legislators, votes in all 50 US states
Ready to connect
What is an MCP server?
The Model Context Protocol is the open standard AI clients use to call tools. An MCP server is a program that answers those calls: it publishes a few tools with their inputs, and the AI decides when to use them. Most are written by the people who needed them and published as open source, which is why this list is long and uneven.
8,580 of the 11,707 servers listed here can be served through ahel today. The rest stay listed so you can find them and read what they do, and their pages say plainly that ahel cannot serve them yet.
Connect one to Claude, Cursor, Codex or ChatGPT
Connecting a server here does not put anything on your machine. ahel runs it and serves its tools to every AI client you sign in with, so one connection covers Claude, Claude Code, ChatGPT, Codex, Cursor and VS Code with Copilot.
Your client's tool list stays the same size whatever you connect: a server's own tools are read with the tools verb and run with the use verb. Keys are sealed in ahel and injected server side, so a credential never crosses the link.