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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.
sendafax.aiVerified
Send a fax in Australia (+61). Pay only if it delivers. Email receipt. No card at send.
ProductivityCommunication & messaging
Median latency 590 ms · Last checked
Local business & Google Maps B2B lead extractor MCP: phone, email, website, DNS & SaaS tech stack.
Developer ToolsCommunication & messaging
Median latency 1460 ms · Last checked
pipeworx-ioVerified
ActiveCampaign MCP Pack — email marketing + CRM (API v3).
Marketing & SalesCommunication & messaging
Median latency 6687 ms · Last checked
Agent swarm coordination: find funded work, form teams, run tasks, message E2E, get paid on verify.
Median latency 7602 ms · Last checked
Qt 5 and Qt 6 framework and product docs: Qt Creator, MCUs, Squish, Coco and more.
Median latency 8 ms · Last checked
Compare monthly email and SMS marketing costs across 11 platforms, with dated official sources.
ProductivityCommunication & messaging
Median latency 51 ms · Last checked
Make printable nonogram puzzles for teachers, students and puzzle fans as a PDF with an answer key.
Median latency 58 ms · Last checked
Send a test email, get SPF, DKIM, DMARC, TLS and IPv6 results plus sender rules. No key.
ProductivityCommunication & messaging
Median latency 61 ms · Last checked
waply.onlineVerified
Waply for Kommo: read-only info on the official WhatsApp API add-on for Kommo: guides, docs, prices.
OtherCommunication & messaging
Median latency 65 ms · Last checked
agents.crowdspark.meVerified
32 pay-per-call x402 tools: x402 seller audit, invoice intake, OCR, PDF, email, web, on-chain
Finance & CryptoPayments & trading
Median latency 68 ms · Last checked
List and fill the fields of a PDF form document from your answers in the chat.
Median latency 68 ms · Last checked
Make printable math cage puzzles for teachers, students and puzzle fans as a PDF with an answer key.
Median latency 71 ms · Last checked
jojapi.comVerified
Search the JoJ API marketplace, read endpoint docs, and call any API with one key via one gateway.
Median latency 74 ms · Last checked
Keyless email checks: disposable, role, and free-provider detection, MX, and typo suggestions.
ProductivityCommunication & messaging
Median latency 74 ms · Last checked
Make printable mazes for parents, teachers and puzzle fans as a PDF with an answer key.
Median latency 77 ms · Last checked
.ics files & calendar links
Median latency 78 ms · Last checked
Pay less for x402 APIs: free pre-payment checks, cheapest working service finder, web/PDF reader.
Finance & CryptoPayments & trading
Median latency 80 ms · Last checked
Turn a JSON file or pasted JSON into an Excel workbook and a CSV, right in the chat.
Median latency 81 ms · Last checked
SEC filings, insider trades, 13F, IPO calendar, macro & FX MCP tools via x402.
ProductivityPayments & trading
Median latency 82 ms · Last checked
Live DNS & email auth checks
Developer ToolsCommunication & messaging
Median latency 83 ms · Last checked
Make printable recipe cards from your own recipes as a print-ready PDF.
Median latency 83 ms · Last checked
handflow.ioVerified
Hire verified people for real-world tasks in NYC, or sign up to earn doing them.
Median latency 84 ms · Last checked
Docs to Markdown, SEC filings, insider trades, Treasury yields, FRED macro, FX rates, dev utils.
Median latency 85 ms · Last checked
Check a spreadsheet for errors before you import it, send it or report from it.
Median latency 85 ms · Last checked
Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence