Every server in the official MCP Registry. Ranked by whether they actually work: we connect to each one and publish what happens.
19,520 servers
Canton Network: CIPs and their on-chain vote outcomes, docs, forum, validator upgrade deadlines.
Czech & EU due diligence in one call — facts, insolvency, sanctions, VAT, risk score, UBO chain.
Source-linked SEC 13F research, quality checks, watchlists and audit trails for agents.
Test the voice agents you run: scored transcripts, pass/fail verdicts, latency and WER metrics.
AI URL safety validator: SAFE/SUSPICIOUS/DANGEROUS verdict, trust score, threat intel.
Trending/new/changed MCP servers: a liveness-probed freshness index + x402-paid change-data API
Check if a contractor's remodeling bid is fair: analyze a quote, get cost + labor estimates.
Search 47,000+ marketing agencies and get AI-matched with fitted agencies, from Pick an Agency.
Search and discover 25,000+ MCP servers across all major registries. Connect and pay autonomously.
Post-tx outcome verification via LLM-as-judge. Zero Core Verify.
Free Formula 1 stats: standings, title maths, teammate battles and records, each linked to source.
Transpose chords, spell piano chords, turn guitar tab into piano notes and find music guides.
Free agent tools, no sign-in: browser flows, test inboxes, web extract, site and security scans.
Cave diving sites worldwide: depths, required level, warnings, guides, fills and current conditions.
Search long-term and holiday rentals in North Goa, India. Read-only, prices in INR.
Independent, signed check of AI work: math, quotes, sources, links, code. Public verifiable log.
EU business duties for AI agents: legal obligations with sources and pre-checks (DE, LU, EU)
Run after each discovery iteration to see what's still uncertain, who to ask next, and what changed.
Live Hetian jade catalog from Yufu, Shanghai: search, prices, jade Q&A, viewing and order requests.
Family board: calendar, chores, shopping, meals, pets; OAuth for one household.
Precomputed, source-traced historical equity study results for AI agents; not trading signals.
A search engine that learns from your grades. Store text, records, images or embeddings.
Free daily history of App Store and Google Play top charts and Google Trends searches.
Website health, SEO, security-header, SSL and broken-link audits for AI agents.
Buy per-use Spaces (small paid tools) on s-space.ai with USDC on Base. No account needed.
X-Z-CS AI validation with auditable reasoning. 8 active tools; 5 in maintenance. v0.5.68
Simulate a Base tx before signing: revert reason, gas limit, full fee in ETH/USD. Paid x402.
Read-only tools over the Safer Agentic AI framework: 239 patterns + 15 heuristics.
Cheapest Minecraft anvil combine order and exact XP cost for Java and Bedrock Edition.