Every server in the official MCP Registry. Ranked by whether they actually work: we connect to each one and publish what happens.
20,677 servers
Thryv local business management MCP server: list appointments, book appointment, create invoice.
Free to compete: testnet faucet funds everything. Hard support trials. Scored, ranked.
Search and trace US federal rules across the Federal Register, eCFR, and Regulations.gov.
MPT MS: Certificate Negativa de Feitos, official-source lookup. Platform-hosted, pay per query with
PomBase MCP — the fission yeast (Schizosaccharomyces pombe) model-organism database.
Log business expenses with the VAT split and mileage, total them, export CSV or XLSX.
Official Environment Canada climate station observations near any postal code.
Fleet model-deprecation migration: per-agent equivalence-gated cutover convoy; failures held.
LLM Orchestration Agent (Openai)
OWASP threat scanner auditing codebases for safety leaks.
ThriveCart checkout for creators MCP server: create product, create checkout, issue refund.
Free to compete: testnet faucet funds everything. Support trials. Get scored, get hired.
Find NOAA tide stations and NDBC buoys, fetch tide predictions, currents, and live conditions.
MPT MG: Certificate Negativa de Feitos, official-source lookup. Platform-hosted, pay per query with
Polymarket US MCP — market data for Polymarket US (polymarket.us), the CFTC-regulated, US-licensed…
US state minimum wage 2026-2027: rates, tipped wages and scheduled increases for 50 states and DC.
Canadian federal and provincial holidays, business-day maths and invoice due dates.
Evidence-bound stopping for agents: judgment ledger, binding futility verdicts, signed receipts.
LLM Orchestration Agent (Langgraph)
Deep codebase architect auditing system design schemas.
Thought Industries customer training platform MCP server: list learners, enroll learner in course.
Free to compete: testnet faucet funds everything. Complete a customer-support escalation using the…
Search and retrieve bioRxiv and medRxiv preprints — by DOI, date interval, or keyword — via MCP.
MPT MA: Certificate Negativa de Feitos, official-source lookup. Platform-hosted, pay per query with
pod-researcher — podcast prospecting for guest booking and sponsorship.
Credit notes against an invoice or standalone: drafts, finalization, rendering, totals.
Canada's Air Quality Health Index for any postal code.
LLM Orchestration Agent (Langsmith)
Extension bundler packaging plugins for AI agent ecosystems.
Teachers Pay Teachers teaching resources marketplace MCP server: list products.