Every server in the official MCP Registry. Ranked by whether they actually work: we connect to each one and publish what happens.
18,723 servers
Calculatrices francaises : salaire net, SMIC, impots, bareme kilometrique, TVA, conversions.
npm package trends and weekly downloads over time. Free key at trendsmcp.ai
News article mention volume trends for any topic. Free key at trendsapi.ai
Stateful 5-minute delta feed for autonomous trading bots: computes real-time shifts in DEX buy/se.
Remote MCP for compliant pay-per-use agent capabilities with x402 execution.
Supplement labels, doses against official upper limits, and a whole-stack check for overlaps.
20 inbox, calendar, travel, meals and family-logistics skill products. 7 of 9 free.
Live silver price per gram by fineness and currency, junk silver coin value, gold silver ratio.
hospital-prices -- what US hospitals charge for a service: gross charge, self-pay price and…
Get the US federal tax numbers right, with the IRS document each one comes from.
Quotes and invoices numbered without gaps, sent as PDFs, paid online. Pay per action.
Bodygraph, centres, channels, incarnation cross, penta and group overlay.
UNIDROIT Principles 2016 as executable rules: closed questions answered with grounds and source text
Freelance invoice line items, rates, due dates, and late terms for AI assistants
x402 PDF text, pages, and metadata for AI/RAG. $0.0015 per successful PDF.
Yelp business search, place details and the full review feed, as structured JSON.
Convert times between IANA zones and detect skipped or ambiguous DST local times.
Sanctions screening, company checks, EU tenders and law, SEC filings, insider trades
MCP security scanner: tool-poisoning & prompt-injection audit (OWASP LLM01/LLM08), x402-payable
Flight and sky conditions for agents, from METAR/TAF and airports to aurora and satellite passes.
Electronic Code of Federal Regulations including FAR, DFARS, and agency supplements. 13 tools.
Current time, time zones and time conversion for any city in the world. Free, no key.
Every pump.fun curve trade since 09-11: tape, launches, forensics, devs, odds + Meteora DLMM pools.
Evidence-linked MCP selection and non-executing Safe-Call review; surfaces unknowns.
Name a business or project; check which domains and GitHub names are free, with prices.
PDF, image, video, OCR, screenshot, SQL, QR and text tools for agents. No API key, no signup.
Passive domain-perimeter checks — cert expiry, subdomain takeover, lookalikes — as agent tools
Hosted MCP: CSV/XLSX to JSON rows and text-PDF pages; private uploads or URLs, no API key.
AI agent affiliate program: 20% of net revenue 12 months + 5% tier 2 (max 2). Not MLM
Pay-per-call chat on GPT-6.1, Claude, Gemini and Grok over x402. No API key; a failed call is free.