Remote MCP servers
Find a server for your workflow, with connection evidence you can inspect.
3331 servers
| Server / capability | Last probe | Median latency | Checks passed | Last checked |
|---|---|---|---|---|
x402 Agent Tools Pay-per-call web, Base onchain and crypto-alert tools for agents. USDC on Base via x402, no API key. | Responded | 97 ms | 13 / 22 | |
MEO Preflight Read-only machine payment preflight using dated MEO evidence, with explicit unknowns. | Responded | 98 ms | 13 / 22 | |
Datoka Agent Signed agent execution declarations. Free verification; issuance 0.002 USDC via x402 on Base. | Responded | 99 ms | 13 / 22 | |
CoinPaprika Real-time crypto market data: prices, tickers, exchanges, OHLCV candles, and metadata. | Responded | 99 ms | 13 / 22 | |
uk.co.hopi/hopi Free UK calculators, converters and validators (tax, VAT, stamp duty, dates, units), read-only. | Outdated check | 99 ms | 13 / 22 | |
IranTools (paid) Persian and Iranian utilities for agents plus text tooling. Paid via x402 or MPP. | Outdated check | 100 ms | 13 / 22 | |
PaidPilot Invoice Tools Invoice tools: reminders, late fees, terms, timesheets and a receivables health report (x402). | Responded | 102 ms | 13 / 22 | |
HoldKit Idempotency keys, locks, timers, and inboxes for agents over MCP. No payments. | Responded | 104 ms | 13 / 22 | |
Agent Toolbox Everyday tools for AI agents, paid per call with x402: images, markdown, speech-to-text, embeddings. | Responded | 105 ms | 13 / 22 | |
PayperAnswer Pay-per-call chat on GPT-6.1, Claude, Gemini and Grok over x402. No API key; a failed call is free. | Responded | 105 ms | 13 / 22 | |
CrawlWitness AI consent & licensing check for any domain, with signed on-chain receipts. Paid via x402. | Responded | 107 ms | 13 / 22 | |
21btc.cc Bitcoin Data Live Bitcoin price, ETF flows, treasuries, on-chain metrics, fees, derivatives & wiki search. | Responded | 107 ms | 13 / 22 | |
AgentScrape Pay-per-call web scraping for AI agents via x402 on Base USDC. Six tools, no signup. | Outdated check | 107 ms | 13 / 22 | |
Quantum Aether Measure post-quantum TLS evidence and buy full reports through x402 USDC on Base | Outdated check | 107 ms | 13 / 22 | |
Xearno Tools Money, tax & business calculators kept current with 2026 rules — plus operator insights. | Outdated check | 107 ms | 13 / 22 | |
QuarterWise 1099 Tax Planner A self employment tax calculator and quarterly estimated tax planner for 2026. | Responded | 108 ms | 13 / 22 | |
Billwise Invoice Maker An invoice generator for freelancers, contractors, and small businesses that works inside the chat. | Responded | 109 ms | 13 / 22 | |
Genuine Good Grants U.S. federal grant discovery, details, fit scoring, briefs, and shortlist checks via x402. | Outdated check | 110 ms | 13 / 22 | |
Zovo Bill Calendar Make a bill payment calendar from your list of bills: a printable monthly bill calendar. | Responded | 111 ms | 13 / 22 | |
ecoExperten Energieausweis Order official German energy certificates (Energieausweis) from chat — on invoice, 1-2 days. | Responded | 111 ms | 13 / 22 | |
PageProof PDF text by page with hashes. 0.005 USDC/Base via x402. No OCR. Check /health for readiness. | Outdated check | 111 ms | 13 / 22 | |
Zovo Installment Planner Split an amount into a payment plan schedule with exact installments. | Responded | 113 ms | 13 / 22 | |
openfang-rail Deterministic banking, LEI, VAT, SWIFT & compliance checks via MCP with signed XDR-1 receipts. | Responded | 113 ms | 13 / 22 | |
Zovo VAT Number Check Run a VAT number check for EU tax identifiers in VIES and get a dated XLSX validation log. | Responded | 114 ms | 13 / 22 |
Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence