Catalog
Every x402, MPP, MCP, and skill listing we've indexed, normalized, and enriched.
Epa Emissions
EPA Emissions MCP — wraps EPA Envirofacts REST API (free, no auth)
Epa Echo
EPA ECHO MCP — wraps EPA ECHO Web Services (free, no auth)
Emoji Oracle
emoji-oracle MCP — wraps StupidAPIs (requires X-API-Key)
Edgar
EDGAR MCP — SEC EDGAR public APIs (free, no auth)
Eia
EIA MCP — US Energy Information Administration API v2
Dropbox
Dropbox MCP Pack — wraps the Dropbox API v2
Dockerhub
Docker Hub MCP — wraps the Docker Hub v2 API (free, no auth required for public data)
Devto
DEV.to MCP — wraps the DEV Community API (free, no auth for public reads)
Defillama
DefiLlama MCP — DeFi analytics from DefiLlama (free, no auth)
Crates
Crates.io MCP — wraps the crates.io REST API v1 (free, no auth)
Could Have Been Email
could-have-been-email MCP — wraps StupidAPIs (requires X-API-Key)
Corporate Apology
corporate-apology MCP — wraps StupidAPIs (requires X-API-Key)
Conspiracy Theory
conspiracy-theory MCP — wraps StupidAPIs (requires X-API-Key)
Congress
Congress MCP — US Congress data via GovTrack API (free, no auth required)
Confluence
Confluence MCP — wraps the Confluence Cloud REST API v2 (OAuth)
Comtrade
Comtrade MCP — UN Comtrade API for international bilateral trade data
Clinicaltrials
ClinicalTrials MCP — wraps ClinicalTrials.gov API v2 (free, no auth)
Clickup
ClickUp MCP — wraps the ClickUp REST API v2 (BYO API key)
Chargebee
Chargebee MCP Pack — wraps the Chargebee API v2
Chaos Index
chaos-index MCP — wraps StupidAPIs (requires X-API-Key)
Cfpb
CFPB MCP — Consumer Financial Protection Bureau complaint database (free, no auth)