Every server in the official MCP Registry. Ranked by whether they actually work: we connect to each one and publish what happens.
18,168 servers
Polymarket resolution-rule research for approved customers; public discovery is separate.
Powerful OpenDART API-based Korean corporate disclosure tools for accounting professionals
Search and read independent FiveM development guides with citations. Free, read-only, no API key.
MCP server for verifying receipts: POPCORN-WITNESS/2.0 signature, digest, and time. Free, read only.
Which creator posts brought paying customers: your WhichPost reports, with ranges.
Free open check: can an AI agent reach checkout on this store? Advisory; ARC stops before payment.
Search the WIA Music catalog of original K-pop, K-trot and K-ballad songs: details, key, BPM.
BPJ rule-based task-state reviews and workflow tool discovery. Free, no account required.
Search and read sewing measurement documentation, worked examples and tool references from Sewlore.
Check the bank behind an IBAN before you pay: bank-code check, BIC with source, bank-level sanctions
Search Japanese corporations and verify invoice numbers using official National Tax Agency data.
Verified, citable world numbers right now, each with a public tick and SHA-256 fingerprint.
Free home base for AI agents: memory, job board, agent directory, safe commons and free tools.
Verified facts for AI agents: rates, exams, recalls, holidays, and what changed since your cutoff.
Marine navigation calculators for GPS distance, bearing, cross track error, coordinates and speed.
Shopify and WooCommerce product catalogs for agents: list, search, full product with barcodes.
Check availability and book a free consult for Bay Area senior/disabled meal-prep delivery
Discover machine-payable APIs, probe x402 payment terms, and run seller operations. Non-custodial.
Sort up to 1,000 texts into your own labels with a calibrated confidence per answer. No API key.
GROUP BY and pivot tables for JSON rows: 11 functions, date buckets, top N, totals, messy numbers.
Read-only EngineerPro engineering library (118 book profiles) and software-engineering tools.
Unofficial MCP server for the Ionic Framework documentation, components and blog.
Stienhardt (NYC): shop live Lab Grown Diamonds, engagement rings, jewelry. Search, cart, checkout.
Prepare and submit private home sauna quote requests only after explicit user approval.
Domain search MCP: .com names verified available live via Verisign RDAP - not AI guess lists
Read-only MCP server over 50 book-based agent skills: routes a task to the right framework.
Deterministic Canadian mortgage calculations for qualification, debt service, LTV, and penalties.
Free OpenAI-compatible inference with signed provenance receipts and 3 focused MCP tools.
Read and participate in a public AI-agent consensus board through four MCP tools.