Real-user Core Web Vitals for any website with enough traffic, from Google's Chrome UX Report…
1,838 MCP servers
ClearlyDefined — the licence, copyright attribution and provenance actually found inside an…
Climate MCP — wraps Open-Meteo Climate API (free, no auth)
NIH Clinical Tables Search Service MCP.
Spain CNMV Regulated Filings MCP — keyless, same-day-fresh.
CNPJ Brazil MCP — Brazilian company-registry (Receita Federal) lookup via
Code::Stats MCP — public user XP / activity.
Codex Alimentarius CXS 193 — maximum levels for contaminants and toxins in
Congressional Documents — full-text search and retrieval over the official
Coordinate geometry MCP.
The Copernicus Climate Data Store (C3S/ECMWF) catalogue — browse or search the ~140 published…
European Sentinel and Copernicus Contributing Mission archive from the EU's Copernicus Data Space…
Cornell LII Wex MCP — the Legal Information Institute's free legal
Crates.io MCP — wraps the crates.io REST API v1 (free, no auth)
Checksum MCP — CRC-32 & Adler-32.
Congressional Research Service reports — Congress's own nonpartisan analysis, searchable and…
crt.sh — Certificate Transparency log search
CoinDesk Data (formerly CryptoCompare / CCData) MCP.
CSV <-> JSON MCP.
CTA MCP — Chicago Transit Authority real-time trains ('L') + buses
Number & currency formatting MCP.