Facilities and addresses from the EPA Facility Registry Service. No key required.
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Claude Desktop reads mcpServers from claude_desktop_config.json. Restart the app after saving. Claude Desktop can run a local process over stdio or a remote HTTP or SSE endpoint. The config is JSON and the file to edit is claude_desktop_config.json. MCPpedia currently has 41161 published MCP servers have an install config for Claude Desktop. The highest trust scores right now are Repowise at 83, kordoc at 83, clawdcursor at 78. Open a server and copy the Claude Desktop tab, then fill in secrets yourself. MCPpedia never stores those values.
Claude Desktop reads mcpServers from claude_desktop_config.json. Restart the app after saving.
claude_desktop_config.json at the path for your OS.~/Library/Application Support/Claude/claude_desktop_config.json~/.config/Claude/claude_desktop_config.json%APPDATA%\Claude\claude_desktop_config.jsonEvery server page builds a ready-to-paste JSON config for Claude Desktop.
Published servers with an install config for Claude Desktop.
Facilities and addresses from the EPA Facility Registry Service. No key required.
Local-first multi-agent coordination for messages, leases, shared plans, status, and resources.
esm.sh CDN: resolve npm package versions and browse module files. No key required.
Sports data from the ESPN core API. No key required.
Confirmed exoplanets and their properties from the NASA Exoplanet Archive. No key required.
Lawn area, mowing time and mowing price estimate tools for AI assistants.
Watts, volts, amps, kWh and electricity cost calculator tools for AI assistants.
Economic and financial data: FRED series and US Treasury rates. No key required.
Local aggregate test-history stability analysis without test names or raw result contents. Tools...
Use this MCP server to Federal Register documents, rules, notices, and agencies. Tools include...
MCP server that builds and validates LC-MS worklists for MassLynx, SCIEX OS, MassHunter, Xcalibur.
Search research articles and datasets on Figshare. No key required.
MCP server for Modbus TCP/RTU devices with typed, scaled register maps and per-point limits.
Recent public Flickr photos. No key required.
Local-first MCP server: version-correct library docs, code map, and offline drift for your repo.
Static blast-radius audit for MCP servers before agent install. Manifest optional.
Use this MCP server to 4chan, board catalogs, threads, and posts from the raw internet culture...
Vehicle fuel economy ratings from the EPA. No key required.
Use this MCP server to GameBanana, the game mods database. Search mods by game, browse mod...
Token data from GeckoTerminal. No key required.
Geolocation for an IP address from Geolocation DB. No key required.
Gitignore templates from Toptal. No key required.
Publish local HTML or Markdown as expiring password-protected HaoyouBox links.
Prime checks, factors, GCD, and basic statistics computed locally. No network and no key.