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.
Category: Dev tools
4,674 results · page 112 of 156
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opencagesMCP serverDev tools
OpenCage forward + reverse geocoding (free key, 2500/day)
Ready to connect
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opencitationsMCP serverDev tools
OpenCitations COCI — open-license citation index by DOI
Ready to connect
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opencode-mcp-bridgeMCP serverDev tools
Coordinate and verify OpenCode workers over MCP Streamable HTTP.
Ready to connect
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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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opendosm-myMCP serverDev tools
data.gov.my / OpenDOSM (Department of Statistics Malaysia) — official Malaysian open-data API.
Ready to connect
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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.
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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openibanMCP serverDev tools
OpenIBAN MCP — validate an IBAN's checksum + bank code and resolve the
Ready to connect
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openligadbMCP serverDev tools
OpenLigaDB MCP — community-run, keyless football / soccer match data.
Ready to connect
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openparliament-caMCP serverDev tools
OpenParliament.ca MCP — civic-tech mirror of the Parliament of Canada
Ready to connect
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openreviewMCP serverDev tools
OpenReview MCP — ML conference submissions and reviews (API v2)
Ready to connect
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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.
Ready to connect
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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)
Ready to connect
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openstatesMCP serverDev tools
OpenStates MCP — bills, legislators, votes in all 50 US states
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openswissdataMCP serverDev tools
Swiss customs (TARES), FINMA registry & NOGA/NACE/ISIC classifications. 9 MCP tools, free tier.
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opentable-mcpMCP serverDev tools
OpenTable reservation management: find slots, book, cancel, list reservations, manage favorites.
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opentripmapMCP serverDev tools
OpenTripMap MCP — wraps the OpenTripMap Places API (dev.opentripmap.org)
Ready to connect
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openvan-travelMCP serverDev tools
Vanlife & RV travel data. Fuel, weather, currency, events, news. https://openvan.camp/en/developers
Ready to connect
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openweatherMCP serverDev tools
OpenWeather MCP — wraps the OpenWeatherMap API (openweathermap.org)
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.
8,185 of the 11,315 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.