Model Context Protocol servers that extend AI capabilities
OpenSky MCP — OpenSky Network API (free, no auth for anonymous access)
OSRM MCP — routing via the public demo server
OWASP MCP — keyless.
Packagephobia MCP — install-size analysis for npm packages
PhishTank MCP — wraps PhishTank API (checkurl.phishtank.com)
Photon MCP — OSM geocoder
ProPublica Nonprofit MCP — ProPublica Nonprofit Explorer API (free, no auth)
Quotes MCP — citation-grade quote API for public-domain authors.
RCSB PDB MCP — experimentally determined macromolecular structures.
Rentcast MCP — wraps Rentcast API (api.rentcast.io/v1)
Rick and Morty MCP — wraps the Rick and Morty API (free, no auth)
SEC 8-K event triage — query our pre-classified mirror of every
SEC XBRL MCP — wraps SEC EDGAR XBRL API (data.sec.gov)
SEO AI-Visibility MCP — does brand X appear in an LLM's answer (GEO / AI-SEO)
SEO Competitors MCP — domain ranked keywords via DataForSEO Labs (dataforseo.com)
SEO Keywords MCP — search volume & difficulty via DataForSEO Labs (dataforseo.com)
SEO Keywords (Google Ads volume) MCP — exact Google Ads search volume via
SEO SERP MCP — Google organic search results via DataForSEO (dataforseo.com)
Shodan InternetDB MCP — wraps Shodan InternetDB (internetdb.shodan.io)
Statistical Office of the Republic of Slovenia (SURS) — SiStat PxWeb MCP.
Statistics Estonia (andmed.stat.ee) PxWeb MCP. Keyless.
Statistics Latvia / Official Statistics Portal (data.stat.gov.lv) PxWeb MCP.
StockTwits MCP (keyless public read).
STRATZ Dota 2 MCP.