"OSF" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Validate & geocode a US address: demographics, districts & schools. Agents can buy credits via MPP.
Free, read-only data on about 4,900 AI companies, open AI jobs and dated AI news, with source links.
Release, support and end-of-life dates for about 490 languages, OSes, databases and frameworks
NSF Awards MCP — National Science Foundation award database (free, no auth)
Free keyless REST+MCP, 26 tools: US macro, earnings, TRIPWIRE, regime, cams
Published weather records for a U.S. address and date, with provenance, and current NWS forecasts.
ONS statistics and time series (CPI, GDP, unemployment) and Bank of England rates
OSF (Open Science Framework, by the Center for Open Science) MCP. Keyless public-data API…
DataSF MCP — San Francisco open data (data.sfgov.org, Socrata SODA API).
Search Puerto Rico bird guide records, browse bird groups, and retrieve species with source links.
Bank of Canada Valet API MCP. Keyless. Dates are YYYY-MM-DD.
330+ indicators for 217 countries from the IMF, World Bank, WHO and national statistics offices.
Read-only Pacific Crest Trail data: legs by trail mile, towns, passes and lakes, and vegan resupply.
Read-only U.S. stock market history: S&P 500 since 1928, CAPE, drawdowns, index changes.
Read-only Pacific Crest Trail data for agents: legs by trail mile, towns, passes and lakes, and vegan resupply at 64 stops with last-checked dates.
Open public procurements of Belarus: search by words or customer UNP, source link for each.
Read-only access to public records on Anglican-Roman Catholic dialogue in the IARCCUM Archive.
SF coffee, matcha, and chai catalog API: 439 SKUs across 13 merchants, prices in cents.
Geopolitical OSINT: sanctions, NOTAMs, maritime warnings, outages, conflict records with sources
Gemology & gemmology: 215 FGAA terms, 25 handbooks, live gem stock, signed passport verification.
Hardware end-of-life dates by part number, each linked to the vendor's own bulletin.
NASA astronomy photo of the day + imagery. $0.01/query. Register in-session — free testnet funds.
Library of Congress (loc.gov) MCP — the world's largest library.
8.1M+ US gov and science data via x402 USDC. 21 tools, $0.001 sample tier, sanctions, SEC, CVEs.
OSV.dev — Google's open-source vulnerability database
Visa sponsors, school holidays, halal, HS codes, baggage, IAB categories, mobile plans, recipes.
Hosted MCP server for finding authoritative primary data sources and official portals.
