io.github.cyanheads/usgs-water-mcp-server

Query real-time and historical USGS water data from ~8,000 stream gages and groundwater wells.

io.github.aion-autonomous-org/edgar-answers-mcp

Normalized SEC EDGAR data for AI agents: XBRL financials, 10-K risk diffs, Form 4 insider trades.

io.github.cyanheads/libofcongress-mcp-server

Search LOC digital collections, Chronicling America newspapers (full OCR), and LC Subject Headings.

io.github.cyanheads/wikidata-mcp-server

Search and fetch Wikidata entities, execute SPARQL queries, and resolve external identifiers.

io.github.cyanheads/stackexchange-mcp-server

Search Stack Exchange questions, fetch Q&A threads as markdown, look up tag FAQs and user profiles.

io.github.cyanheads/socrata-mcp-server

Search and query government open-data portals (Socrata SODA API).

io.github.cyanheads/brapi-mcp-server

Collaborative BrAPI v2.1 MCP workspace — studies, germplasm, genotypes across Breedbase, T3, more.

io.github.cyanheads/ensembl-mcp-server

Look up genes, sequences, variants, homologs, and cross-database xrefs from Ensembl REST.

io.github.cyanheads/macos-mcp-server

Control macOS system settings, apps, windows, audio, displays, screenshots, and Focus mode via MCP.

io.github.HQBase/hqbase

Connect AI agents to your self-hosted HQBase shared email workspace.

io.github.cyanheads/epa-mcp-server

Search EPA compliance, TRI, Superfund, drinking-water, EJScreen, and AirNow data.

io.github.trondbjoroy/met-mcp

Weather forecasts from MET Norway (Yr): geocoding plus hourly forecasts worldwide.

io.github.cyanheads/mailchimp-mcp-server

Mailchimp via MCP: draft, test, and send campaigns; manage audiences and subscribers; pull reports.

io.github.cyanheads/evals-mcp-server

Author verifiable eval records through a draft→review→revise→submit loop with enforced graders.

io.github.MattKilmer/voteship

Manage feature requests, votes, roadmaps, and changelogs from any MCP client.

io.github.notforhumansfun-rgb/not-for-humans

Public NFH knowledge, ownership epochs, versioned learning, Odd Jobs, and unsigned preparation.

io.github.AgentsGetPaid/agents-get-paid-kit

x402 MCP get-paid path: USDC, spend caps, AUP, $49 kit. CAPTCHA/web-unlock for payment-ready agents.

io.github.cyanheads/toolkit-mcp-server

Generate IDs, QR codes, and hashes, encode values, geolocate IPs, plus gated host diagnostics.

io.github.cicerosmoura-alt/goloop-mcp

Métricas, jornadas e visitantes do GoLoop — direto no seu agente, sem trocar de aba.

io.github.cyanheads/cdc-health-mcp-server

Search and query CDC public health data — mortality, vaccinations, surveillance, behavioral risk.

io.github.HelgDemidov/refigure

Convert DOCX/XLSX to Markdown — native chart-data extraction, optional VLM for figures

io.github.creator35lwb-web/verifimind-genesis

X-Z-CS AI validation with auditable reasoning. 8 active tools; 5 in maintenance. v0.5.62

io.github.Schoasch/backtesting-arena

Crypto backtesting & Bitcoin cycle analytics. Point-in-time, DSR-corrected, look-ahead-aware.

io.github.boyakh-jpg/boxtier

Create a BoxTier-style PNG receipt from user-provided basketball game results.