Look up allele frequencies by ancestry, gene constraint, variants, and coverage over gnomAD.
Guardian Open Platform — search and retrieve full article text from The Guardian archive.
MCP server for Project Gutenberg — 75,000+ public-domain ebooks with full plain-text retrieval.
Query IMF SDMX 3.0 macroeconomic dataflows — WEO, BOP, CPI, exchange rates, 190 countries.
Search the Wayback Machine and IA library (40M+ items), fetch snapshots, item metadata, and text.
Agent-native TypeScript framework for building MCP servers with declarative definitions.
TypeScript template for building MCP servers with declarative tooling, observability, and auth.
Offline US medical code lookup and crosswalk — ICD-10-CM/PCS, HCPCS Level II, RxNorm. Keyless.
MET Museum collection via MCP — 500K+ artworks, metadata, provenance, open-access images.
Search MusicBrainz artists, releases, works, labels; resolve ISRC/ISWC/barcode; fetch cover art.
Plan US National Park Service trips — parks, alerts, campgrounds, things to do, events.
Search NOAA CDO stations and datasets, fetch historical weather observations.
Search NOAA climate stations and datasets, fetch historical weather observations.
Find NOAA tide stations and NDBC buoys, fetch tide predictions, currents, and live conditions.
NOAA SWPC space weather: storm scales, Kp index, aurora forecasts, solar wind, activity, alerts.
MCP server for nonprofit financials via ProPublica — IRS Form 990 data for 1.8M+ nonprofits.
Get US weather forecasts, active alerts, and current observations.
Search and query 1,500+ OECD statistical datasets via SDMX. Keyless.
Real-time transit stops, routes, arrivals, vehicle positions, and schedules via OneBusAway APIs.
Global weather via Open-Meteo: forecast, ERA5 archive, marine, air quality, geocoding, elevation.
Find air-quality stations and read pollutant observations from government monitors via OpenAQ v3.
Find EV charging stations, detail, and reliability check-ins via the global Open Charge Map.
Barcode lookup, nutrition search, and product comparison for 3M+ crowd-sourced food products.
Search books and authors, fetch editions, browse subjects, and resolve cover images.
About AI & Agents MCP servers
This category collects servers that make agents better at being agents. You will find orchestration layers that run multi-step pipelines, routers that hand a task to the right model or sub-agent, evaluation and tracing tools, prompt and skill libraries, and bridges that let one assistant call another. Some wrap commercial model APIs; others are thin coordination layers around open-source frameworks.
Because these servers often sit between your agent and other systems, look closely at where data flows and what is logged. Prefer servers that document their tool contracts clearly, support streaming where relevant, and can run locally when the workload is sensitive. Many are new and move quickly, so check the repository's recent activity before relying on one in production.