MCP servers (13932)
Open Contracting
Open Contracting MCP — international public procurement: government tenders
Open Corporates
OpenCorporates MCP — Global company registry data (BYO key)
Open Elevation
Open-Elevation MCP — terrain elevation by lat/lon (no auth)
Open Fec
OpenFEC MCP — Federal Election Commission campaign finance data
Open Location Code shape, value discarded
Open Location Code shape, value discarded
Open Meteo
Open-Meteo MCP — weather forecast + historical reanalysis + sister APIs
Open Notify
Open Notify MCP — ISS position + people in space
Open Sanctions
OpenSanctions MCP — global sanctions and PEP data.
Open Source Intelligence MCP
GitHub project health, package dependency risk, trending repos, license & package comparison.
Open-Meteo Weather
Current weather and hourly forecasts for any place name, via the free Open-Meteo API. No API key.
OpenAEO
Asks 8 AI crawlers for your page, checks who really answered, and writes the fixes. MIT.
OpenAPI version key shape, body discarded
OpenAPI version key shape, body discarded
OpenBoss
Public internet HP bar. Agents smack it over MCP. They cannot complete payment.
OpenCode MCP Bridge
Coordinate and verify OpenCode workers over MCP Streamable HTTP.
OpenFab
Instant parametric cost estimates for custom manufacturing: CNC, molding, sheet metal, 3DP, PCB.
OpenMEP duct sizing
Deterministic HVAC duct sizing: size one run or a supply/return network, grade existing sections.
OpenMayhem
Use OpenMayhem text, embedding and media models with explicit cost controls.
OpenNodes
Discover verified AI inference nodes, get the best node+model per task, pre-price chains.
OpenQFR
Search machine-readable quantitative strategy failure evidence before repeating failed research.
OpenSwissData
Swiss customs tariff (TARES), FINMA register, NOGA/NACE/ISIC codes. 4 free tools + search trial.
Openagenda
OpenAgenda MCP.
Openaire
OpenAIRE MCP — EU research outputs (publications, datasets, software, projects)
Openalex
OpenAlex MCP — wraps the OpenAlex API (scholarly works, free, no auth)
Openaq
OpenAQ MCP — global air-quality measurements via the OpenAQ v3 API.
Openbeautyfacts
Open Beauty Facts MCP — Open Beauty Facts API (free, no auth, keyless).
Opencages
OpenCage MCP.
Opencellid
OpenCellID MCP — cell tower geolocation database (free with key)
Openchargemap
Open Charge Map MCP — global EV charging station database (openchargemap.io).
Opencitations
OpenCitations MCP — citation index (COCI + general Index API).
Opencollective
Open Collective public MCP.