MCP servers for Microsoft Copilot

Unpaywall MCP — open-access lookup for scholarly papers (free, no key)

Environment and Climate Change Canada (ECCC) GeoMet MCP.

Wger MCP — wraps wger Workout Manager REST API (free, no auth for read)

WMATA MCP.

Zendesk MCP Pack — tickets, users, organizations via OAuth.

Property intelligence: 180M+ US parcels — lookup, search, owners, hazards, permits, deeds.

Look up or compare free-tier developer tools, with the catch spelled out.

UK SIC code lookup, GICS/ICB mapping, and Companies House search. 731 codes, 5.6M companies.

Developer and text tools: JSON, QR codes, units, passwords, UUIDs, hashes, Base64, regex and more.

Publish HTML to private, unguessable, replace-in-place URLs from any MCP-compatible AI agent.

Blockchain RPC for 125+ chains: endpoints, method support, probing and RPC calls with your key.

Polished system design diagrams (SVG/PNG) from a tiny YAML spec, ~18x fewer tokens than raw SVG.

660+ data tools for agents: TikTok, Douyin, Instagram, YouTube, X, weather, GitHub. Pay per call.

Texas State Procurement MCP — State cooperative-contract awards & vendor sales (keyless).

VAERS (Vaccine Adverse Event Reporting System) — report counts by vaccine, manufacturer, symptom…

Water Quality Portal (WQP) MCP — US ambient water-chemistry monitoring

WhoisXML MCP — wraps WhoisXML API (whoisxmlapi.com)

World Bank Climate Change Knowledge Portal (CCKP) MCP.

63 pay-per-call tools for agents: vision, text, data, web, blockchain. USDC on Base via x402.

Bookings, clients, reviews and reports for beauty businesses.

Proof and repair for Apple coding agents: validate Swift, run Xcode evidence, and repair failures.