Discover Model Context Protocol servers from the official registry. Publisher metadata with transparent provenance — not a security certification.
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4 455 records · Registry listing ≠ independent verification by NexIP
io.github.cyanheads/onebusaway-mcp-server
Real-time transit stops, routes, arrivals, vehicle positions, and schedules via OneBusAway APIs.
io.github.cyanheads/oeis-mcp-server
Identify integer sequences by terms, search the OEIS, read formulas, programs, b-files, cross-refs.
io.github.cyanheads/oecd-mcp-server
Search and query 1,500+ OECD statistical datasets via SDMX. Keyless.
io.github.cyanheads/nws-weather-mcp-server
Get US weather forecasts, active alerts, and current observations.
io.github.cyanheads/npi-providers-mcp-server
Search NPPES providers and resolve NUCC specialty codes via MCP over STDIO or Streamable HTTP.
io.github.cyanheads/nonprofit-explorer-mcp-server
MCP server for nonprofit financials via ProPublica: IRS Form 990 data for 1.8M+ nonprofits.
io.github.cyanheads/noaa-spaceweather-mcp-server
NOAA SWPC space weather: storm scales, Kp index, aurora forecasts, solar wind, activity, alerts.
io.github.cyanheads/noaa-marine-mcp-server
Find NOAA tide stations and NDBC buoys, fetch tide predictions, currents, and live conditions.
io.github.cyanheads/noaa-climate-mcp-server
Search NOAA climate stations and datasets, fetch historical weather observations.
io.github.cyanheads/noaa-cdo-mcp-server
Search NOAA CDO stations and datasets, fetch historical weather observations.
io.github.cyanheads/nist-nvd-mcp-server
Search and audit NIST NVD CVEs by keyword, severity, CWE, CISA KEV status, and CPE.
io.github.cyanheads/nhtsa-vehicle-safety-mcp-server
Decode VINs, search recalls, complaints, crash ratings, and investigations.
io.github.cyanheads/national-parks-mcp-server
Plan US National Park Service trips — parks, alerts, campgrounds, things to do, events.
io.github.cyanheads/nasa-power-mcp-server
Query NASA POWER solar, wind, building, and agroclimatology data.
io.github.cyanheads/musicbrainz-mcp-server
Search MusicBrainz artists, releases, works, labels; resolve ISRC/ISWC/barcode; fetch cover art.
io.github.cyanheads/mitre-cwe-mcp-server
Explore MITRE CWE weaknesses, CAPEC attack patterns, mitigations, code examples, and mappings.
io.github.cyanheads/met-museum-mcp-server
Search the Met collection, browse by department or update date, fetch full records and CC0 images.
io.github.cyanheads/medical-codes-mcp-server
Offline US medical code lookup and crosswalk — ICD-10-CM/PCS, HCPCS Level II, RxNorm. Keyless.
io.github.cyanheads/libofcongress-mcp-server
Search LOC digital collections, Chronicling America newspapers (full OCR), and LC Subject Headings.
io.github.cyanheads/ioda-outages-mcp-server
Investigate Internet outages with IODA events, alerts, and connectivity signals via MCP.
