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
4,588 results · page 79 of 153
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energy-permitting-trackerMCP serverDev tools
Tracks U.S. energy projects stuck in permitting: docket status, delay causes, hearing dates.
Ready to connect
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energyaiMCP serverDev tools
Solar and home energy discovery: estimates, incentive sources, guides and contractor options.
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engineerpro-libraryMCP serverDev tools
Read-only EngineerPro engineering library (118 book profiles) and software-engineering tools.
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england-works-watchMCP serverDev tools
UKVI sponsor: absence, salary, role/code, home-working, delayed start, stop sponsorship, TUPE, M&A.
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ensemblMCP serverDev tools
Ensembl REST — vertebrate genomes, sequences, comparative genomics, variation
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entidexMCP serverDev tools
Entity intelligence across AI surfaces. Read the verified record and submit corrections.
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entrapulse-polyarchyMCP serverDev tools
Interactive Entra ID identity relationship visualization — the 2003 polyarchy, live as an MCP App
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entreprises-frMCP serverDev tools
French Companies MCP — recherche-entreprises.api.gouv.fr
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enturMCP serverDev tools
Entur MCP — Norway public transport, nationwide, all modes (developer.entur.org)
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eodly-mcpMCP serverDev tools
Read your team's end-of-day reports and roster from Eodly.
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eolMCP serverDev tools
Encyclopedia of Life (EOL) — biodiversity taxa, names, hierarchies
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epa-echoMCP serverDev tools
EPA ECHO MCP — wraps EPA ECHO Web Services (free, no auth)
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epa-emissionsMCP serverDev tools
EPA Emissions MCP — wraps EPA Envirofacts REST API (free, no auth)
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epa-regulationsMCP serverDev tools
EPA Regulations MCP — US Environmental Protection Agency regulations (40 CFR).
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epitaxyMCP serverDev tools
Federal drug shortages and recalls joined to the federal contracts that buy those drugs.
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eqiqsMCP serverDev tools
21-framework people intelligence and compatibility scoring for any MCP client.
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esheriaMCP serverDev tools
Citation-backed regulatory intelligence tools for explicit multi-jurisdiction packs
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esimMCP serverDev tools
Travel eSIMs: unlimited data, pick your days, top up existing eSIMs, card checkout, no API key.
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espnMCP serverDev tools
ESPN MCP — keyless multi-sport live scores, teams, and news via ESPN's public site API.
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esrp-oss-mcp-testMCP serverDev tools
The ESRP OSS MCP server exposes tools to discover & validate trusted Microsoft OSS Packages.
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estatetrace-mcpMCP serverDev tools
Pre-probate and inheritance real estate intelligence with Base L2 USDC settlement.
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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.
7,962 of the 11,220 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.