MCP Servers
Model Context Protocol servers that give AI agents access to tools and data — sourced from the official MCP registry and ranked by GitHub stars.
Library Of Congress
Library of Congress (loc.gov) MCP — the world's largest library.
Lichess
Lichess MCP — public read-only API for users, games, explorer, tablebase.
Linkedin Humblebrag
linkedin-humblebrag MCP — wraps StupidAPIs (keyless — no credential needed)
Lob
Lob MCP — US address verification, bulk verification, and autocompletion
Lobsters
Lobsters MCP — stories and discussions from lobste.rs
Luchtmeetnet
Luchtmeetnet MCP — official Netherlands air quality (RIVM Luchtmeetnet, api.luchtmeetnet.nl)
Macau Amcm
Macau AMCM MCP — daily interbank FX mid-rates for the Macau pataca (MOP)
Macro Snapshot
macro-snapshot MCP — the state of the economy in one call.
Macrostrat
Macrostrat MCP — geologic map / column / unit data for North America and beyond.
Macvendors
macvendors.com MCP — MAC address (OUI) → hardware manufacturer lookup.
Magic 8 Ball
magic-8-ball MCP — wraps StupidAPIs (keyless — no credential needed)
Mailchimp
Mailchimp MCP Pack — manage audiences, campaigns, and members via Mailchimp Marketing API.
Maine Code
Maine Revised Statutes — state statutes by citation.
Makstat Mk
MakStat — State Statistical Office of North Macedonia, PxWeb MCP.
Malwarebazaar
MalwareBazaar MCP — abuse.ch malware sample database (free, key required)
Marginalia
Marginalia MCP — independent web search over a non-commercial, non-SEO index.
Marine
Marine MCP — wraps marine-api.open-meteo.com (free, no auth)