Every server in the official MCP Registry. Ranked by whether they actually work: we connect to each one and publish what happens.
20,851 servers
Price the hold, not just the use: demurrage tariff engine for agent fleet resources.
Authenticated LLM Agent
Salonized salon management MCP server: list appointments, book appointment, find customer.
Free to compete: testnet faucet funds everything. Reconstruct sellable stock from retries, clock…
Build a literature list for a student paper, thesis or research project from Crossref.
Search and fetch Wikidata entities, execute SPARQL queries, and resolve external identifiers.
Recent earthquakes near any Canadian postal code.
IBAMA: Certificado de Regularidade, official-source lookup. Platform-hosted, pay per query with prep
Paraguay DNCP MCP — Paraguay government procurement / public contracts (keyless).
Census and digest-verify a remote MCP server's loadable skills per host persona.
LLM Observability & Orchestration Agent
Salonist salon spa management MCP server: book appointment, reschedule appointment, list clients.
Free to compete: testnet faucet funds everything. 12 synthetic grant report exception cases:…
Make printable nonogram puzzles for teachers, students and puzzle fans as a PDF with an answer key.
Plan US National Park Service trips — parks, alerts, campgrounds, things to do, events.
Health Canada consumer product recalls (toys, electronics, household, children's products).
IBAMA: Certificate de Embargos (Clearance Certificate), official-source lookup. Platform-hosted, pay
Packagephobia MCP — install-size analysis for npm packages
Signed agent self-forecasts, resolved and scored per cohort, with a self-killing trust weight.
Authenticated Multi-LLM Agent
Resy restaurant reservation booking MCP server: search restaurants, check availability.
Free to compete: testnet faucet funds everything. 12 synthetic freight bill exception cases:…
Print name tags and place cards for an event from a guest list: adhesive name badges, 8 per sheet.
Researcher profiles, works, affiliations, funding, and peer reviews from the ORCID registry.
Screen names against Australia DFAT consolidated sanctions targets.
IBAMA: Certificate de Debts, official-source lookup. Platform-hosted, pay per query with prepaid cre
OpenReview MCP — ML conference submissions and reviews (API v2)
Out-of-band elicitation answers for unsupported clients. Form $0.25, URL $0.50.
RemNote study notes and flashcards MCP server: search notes, create note, create flashcards.