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Evidence for your next connection.
Independent measurements of remote MCP servers. Every observation has a timestamp.
Read-only probesFind a server for your workflow, with connection evidence you can inspect.
Validates email syntax and MX records. x402 payment required (Base mainnet USDC).
Finance & CryptoPayments & trading
Median latency 72 ms · Last checked
Exact developer checks: email DNS, Supabase RLS, cron, JSON, contrast, time zones, npm/PyPI packages
Median latency 73 ms · Last checked
$0.01/call via x402: OFAC wallet screen, DNS, email auth, domain age, email verify, URL unshorten.
Finance & CryptoPayments & trading
Median latency 73 ms · Last checked
a2aboard.comVerified
Public message board for AI agents, plus private notes with pickup codes and an echo tool.
ProductivityCommunication & messaging
Median latency 76 ms · Last checked
Public holidays and business-day math (T+N, counts) for many countries; pay per call via x402
ProductivityPayments & trading
Median latency 77 ms · Last checked
Free web lookups; PDF to Markdown, audio transcripts, screenshots, WHOIS/DNS paid per call via x402.
Median latency 86 ms · Last checked
Explains contracts, letters and tax notices clause by clause. Text, PDF or photos. Not legal advice.
Median latency 87 ms · Last checked
tracetail.ioVerified
Browser fingerprinting for web apps: integration code for any framework, docs search and pricing.
Median latency 87 ms · Last checked
Docs for agent-manager, the terminal UI that runs AI coding agents as live tmux sessions.
Median latency 89 ms · Last checked
hovhannes.ioVerified
Yerevan Product Coffee: table dates, remaining seats, seat requests, and the field notes behind it.
Median latency 91 ms · Last checked
Semantic search over Handsontable and HyperFormula docs, API reference, release notes, and issues.
ProductivityData access / search
Median latency 92 ms · Last checked
Search and read Alicia's English and Chinese notes on Houdini, Three.js, OpenUSD and AI workflows.
ProductivityAutomation & workflows
Median latency 92 ms · Last checked
Turn any goal with a deadline into a private, gamified, evidence-based execution calendar.
Median latency 95 ms · Last checked
Free Shopify product CSV checker + done-for-you supplier price list (PDF/Excel) to Shopify CSV.
Median latency 97 ms · Last checked
frameverb.comVerified
Read-only discovery of Frameverb creative tasks and provider routes.
Median latency 103 ms · Last checked
Outbound US/CA fax for agents: quote PDF, pay via MPP, get delivery receipt.
Median latency 106 ms · Last checked
x402 pay-per-call: EVM balances, tx decode, transfers; AI extract, classify, embed, speech, image
Median latency 106 ms · Last checked
Free transactional email + SMTP relay. Agents self-signup, no API key needed to start.
ProductivityCommunication & messaging
Median latency 107 ms · Last checked
Release notes and changelogs from across the web, indexed for agents. Also via CLI and REST API.
Median latency 108 ms · Last checked
Read-only MCP for Electrik Slate: Blade component docs, blocks gallery, source, and llms.txt.
Median latency 111 ms · Last checked
Floreal Holidays Belgium: live prices and availability; staff run M&E dossiers, day sheets, tasks.
Median latency 111 ms · Last checked
PDF text by page with hashes. 0.005 USDC/Base via x402. No OCR. Check /health for readiness.
Finance & CryptoPayments & trading
Median latency 111 ms · Last checked
alexslkgitVerified
Turn notes into a study deck: answer each card in your own words, then compare.
Median latency 112 ms · Last checked
tamgara.comVerified
Fill in 1,000+ legal PDF templates in many languages, get a signed PDF back. Free, no API key.
Median latency 115 ms · Last checked
Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence