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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.
graph-paper.ioVerified
Check a plot document and get a link that opens it in Graph Paper. No account, no key.
Median latency 139 ms · Last checked
avizo.roVerified
Avizo (RO SME compliance-deadline SaaS) as MCP tools: about, plans, categories, docs. Read-only.
Median latency 142 ms · Last checked
Deterministic data tools: price list diff, PDF tables, feed validation, data mapping, table diff
Median latency 143 ms · Last checked
Vietnamese Tử Vi charts, lunar calendar, good-day finder and age compatibility. Free, no sign-in.
Median latency 153 ms · Last checked
Regex matching, email/URL format validation, and JSON Schema validation.
Developer ToolsCommunication & messaging
Median latency 158 ms · Last checked
hotapi.aiVerified
Read-only HotAPI documentation: search integration guides and inspect OpenAPI operations.
Median latency 162 ms · Last checked
gbgplcVerified
Verify addresses, email addresses, and phone numbers with confidence scores.
Developer ToolsCommunication & messaging
Median latency 164 ms · Last checked
Production backend for AI-built apps: storage, data, jobs, webhooks, email, metering and billing.
Finance & CryptoPayments & trading
Median latency 168 ms · Last checked
complyonsite.comVerified
Waste codes, transfer notes filled in from chat, HAVS, noise and first-aid calculators.
Median latency 171 ms · Last checked
Send real faxes from AI chat (DE/AT + 40 countries). PDF, JPG, photo. Pay per fax via Stripe.
Finance & CryptoPayments & trading
Median latency 174 ms · Last checked
sendfaxfast.comVerified
Send real faxes from AI chat. PDF, JPG or PNG. Pay per fax via Stripe link. US, CA, AU, NZ + 39
Finance & CryptoPayments & trading
Median latency 175 ms · Last checked
Fibre optics, OTDR, network design and data centre notes from SPLIDIA, plus its service catalogue.
Median latency 195 ms · Last checked
Astrology, Vedic, Chinese and Maya calendar maths on real engines, cited in every answer.
Median latency 198 ms · Last checked
heffl.comVerified
Free email verification, business calculators, UAE estimates and drafts. No API key.
ProductivityCommunication & messaging
Median latency 199 ms · Last checked
uptimeify.ioVerified
Free anonymous website, DNS, email and TLS checks, plus monitor read and opt-in write access.
ProductivityCommunication & messaging
Median latency 200 ms · Last checked
AI regulation, data protection and compliance notes from CSIDIA, plus its capability catalogue.
Median latency 205 ms · Last checked
Create ZUGFeRD e-invoices from JSON or PDF, verify Factur-X, check VAT IDs and Peppol.
Finance & CryptoPayments & trading
Median latency 206 ms · Last checked
EN 16931-compliant e-invoices: XRechnung, ZUGFeRD, Factur-X, Peppol BIS, Facturae or US PDF. Free.
Finance & CryptoPayments & trading
Median latency 209 ms · Last checked
scan.mxVerified
Email deliverability check: MX, SPF, DKIM, DMARC, blacklists, MTA-STS, DNSSEC, BIMI. Graded, no key.
ProductivityCommunication & messaging
Median latency 210 ms · Last checked
Verstuur een echte brief per post in 22 landen: lever een PDF aan, wij printen en posten hem.
Median latency 211 ms · Last checked
textclean.orgVerified
Free deterministic PDF, Markdown, citation, invisible-character, and formatting cleanup for agents.
Median latency 212 ms · Last checked
agent-exec.448c.orgVerified
Accountless pay-per-use sandbox, storage, locks, attestation, email inbox and DNS names via x402.
ProductivityCommunication & messaging
Median latency 219 ms · Last checked
Task-scoped email inboxes for AI agents: read mail, extract verification codes, and reply.
ProductivityCommunication & messaging
Median latency 221 ms · Last checked
Email posture for any domain: can it receive mail, can it be spoofed? MX, SPF and DMARC.
ProductivityCommunication & messaging
Median latency 223 ms · Last checked
Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence