Offline observational astronomy: positions, rise/set, moon phases, eclipses, and seasons.
Passive external attack-surface mapping: CT subdomains, DNS, TLS, HTTP posture, RDAP/WHOIS, Shodan.
Fetch METARs, TAFs, PIREPs, and domestic SIGMETs from the NWS Aviation Weather Center.
Search and retrieve bioRxiv and medRxiv preprints — by DOI, date interval, or keyword — via MCP.
Search posts, profiles, feeds, threads, and trending topics on Bluesky.
Evaluate, simplify, and differentiate mathematical expressions.
Search and query CDC public health data — mortality, vaccinations, surveillance, behavioral risk.
Query U.S. Census Bureau data, variables, and geography via MCP.
Search ClinicalTrials.gov — find studies, retrieve results, match patients to eligible trials.
Read, write, and inspect the system clipboard on macOS, Linux (X11/Wayland), and Windows via MCP.
Search US court opinions, federal dockets, judges, citations, and oral arguments via CourtListener.
Resolve DOIs, search ~155M scholarly works, and fetch references via the Crossref REST API.
Fleet discovery for the cyanheads MCP ecosystem — semantic search + install snippets.
Search USGS and EMSC seismic data — real-time feeds, event queries, and earthquake counts.
Search EU legislation, CJEU case law, and treaties; traverse CELLAR graph; browse EuroVoc concepts.
Author verifiable eval records through a draft→review→revise→submit loop with enforced graders.
Convert currencies, get FX rates, and query historical ECB exchange rate data.
Offline, keyless lookup of the US civil aircraft registry — decode N-numbers, search records.
FBI Crime Data Explorer — UCR estimates, NIBRS breakdowns, hate crimes, arrests, and agency data.
FCC broadband availability, coverage analysis, and digital divide data for US geographies.
Search and trace US federal rules across the Federal Register, eCFR, and Regulations.gov.
Query FEMA disaster declarations, public assistance grants, housing aid, and NFIP claims.
Search GBIF species taxonomy, occurrence records, datasets, and publishers.
Search and analyze global news coverage and US TV transcripts via the GDELT Project APIs.
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.