MITRE ATT&CK MCP — STIX bundles from github.com/mitre/cti.
Free
1,834 MCP servers
Works with Gemini CLIBy pipeworx-io
Monarch Initiative MCP — biomedical knowledge graph.
Free
MyChem.info MCP.
Free
MyDisease.info MCP.
Free
MyVariant.info MCP. Aggregated human genetic-variant annotation: dbSNP, ClinVar clinical…
Free
NASA MCP — wraps NASA Open APIs (api.nasa.gov)
Free
NASS MCP — USDA National Agricultural Statistics Service (Quick Stats)
Free
Narodowy Bank Polski (National Bank of Poland) Web API MCP. Keyless.
Free
National Bank of Ukraine (NBU) public statistics MCP. Keyless.
Free
NCBI E-utilities MCP — federated Entrez search/fetch.
Free
NewsAPI.org MCP.
Free
NewsData.io MCP — wraps the NewsData.io global news API (newsdata.io)
Free
NOAA NCEI MCP — the national climate archive, via the keyless Access services
Free
NOAA NDBC MCP — National Data Buoy Center marine observations
Free
Norges Bank (Norway's central bank) MCP — exchange rates, interest rates, and government debt key…
Free
npm MCP — wraps the npm Registry API (free, no auth)
Free
NREL MCP — wraps the US National Renewable Energy Laboratory developer API
Free
Bulgarian National Statistical Institute (НСИ / NSI) — Open Data API.
Free
Number utilities MCP.
Free
NYPL Digital Collections MCP.
Free
Odoo MCP Pack — ERP/CRM via Odoo's external JSON-RPC API.
Free