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
4,823 results · page 156 of 161
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us-gov-contractsMCP serverDev tools
US state & local government contracts + spending, normalized across jurisdictions — keyless
Ready to connect
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us-iso-gridMCP serverDev tools
US ISO Grid MCP — real-time electricity generation, fuel mix, demand,
Ready to connect
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us-property-hazard-riskMCP serverDev tools
Flood, wildfire, earthquake, and coastal-storm hazard lookup for a US property.
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us-regulations-mcpMCP serverDev tools
US compliance: HIPAA, CCPA, SOX, GLBA, FERPA, COPPA, FDA, EPA, FFIEC, NYDFS + 4 state privacy laws
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us-tariff-ledgerMCP serverDev tools
US tariff & trade truth: duty actually paid by origin/HS 2017+, HTS rulebook, CBP rulings. No key.
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usagemaxMCP serverDev tools
Read-only MCP for AI usage profiles, leaderboards, stats, and docs; no writes or private data.
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usaspendingMCP serverDev tools
USAspending MCP — Federal spending data from USAspending.gov API
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usdi-mcp-serverMCP serverDev tools
Live tools for USDi: CPI-indexed exchange rate, contract/pool addresses, and mint/redeem mechanics.
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uselessfactsMCP serverDev tools
Uselessfacts MCP — wraps uselessfacts.jsph.pl API (free, no auth)
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usgs-volcanoMCP serverDev tools
USGS Volcano MCP — Volcano Hazards Program HANS-public feed (no auth)
Ready to connect
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usgswaterMCP serverDev tools
USGS Water MCP — wraps USGS National Water Information System (NWIS) REST services (free, no auth)
Ready to connectcaution
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usno-astronomyMCP serverDev tools
Next solar eclipse, eclipse times by location, Moon phases and seasons from the US Naval…
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uspto-ptabMCP serverDev tools
USPTO PTAB Trials MCP — wraps the USPTO Open Data Portal (ODP) PTAB Trials API
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utility-converterMCP serverDev tools
7 utility tools in here: exchange rate, UUID, hash, Base64, timestamp, calculator, unit conversion.
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utility-gridMCP serverDev tools
31 deterministic tools: JSON→Zod, regex, JWT, curl→fetch, hashing, encoding, UUIDs, encrypted links
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vaersMCP serverDev tools
VAERS (Vaccine Adverse Event Reporting System) — report counts by vaccine,
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valet-parking-directoryMCP serverDev tools
MCP server for valet parking: 789 US operators across 31,186 cities. 7 tools. No auth.
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validar-codigo-medicoMCP serverDev tools
Validates ICD-10-CM against the real FY2026 catalog (NCHS/CDC) and CPT by structure/category.
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validar-semverMCP serverDev tools
Resolves real semver range satisfaction (^1.2.3, ~2.0) against a version. Paid via x402/USDC.
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valtgeist-domainsMCP serverDev tools
Daily GoDaddy auction data: is a domain at auction, its appraisal, price and bid count.
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variantradeMCP serverDev tools
Read your VarianTrade portfolio, positions, risk and signals. Trades are proposal-only.
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vaspera-pmMCP serverDev tools
Verify docs against code, detect drift, and generate verified specs (MCP server).
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.
8,434 of the 11,674 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.