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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.
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
Reviewed Tibetan dates, festivals and day mechanisms for 2026–2027.
Median latency 109 ms · Last checked
usgrowzones.comVerified
USDA hardiness zone, frost dates and vegetable planting calendar for any U.S. ZIP code.
Median latency 127 ms · Last checked
PII/secret redaction, email checks, sanctions screening, OSV lookups and an MCP server pre-check.
ProductivityCommunication & messaging
Median latency 128 ms · Last checked
Read conversations and contacts; add replies or notes, set status and assign in Chatwoot.
Median latency 129 ms · Last checked
api.orioncmd.comVerified
Domain threat checks, a 30-day domain watch, TLS/DNS/email-auth checks and a $2 site audit (x402).
ProductivityCommunication & messaging
Median latency 130 ms · Last checked
curatorsearch.comVerified
Live museum and curatorial job listings from institutions' own careers pages, plus a salary archive.
Median latency 141 ms · Last checked
deckextract.comVerified
Download DocSend and Papermark decks as PDF or PPTX, including email-gated and protected links.
ProductivityCommunication & messaging
Median latency 150 ms · Last checked
getrefine.coVerified
Job search management: applications, interviews, offers, recruiter email, and company openings.
ProductivityCommunication & messaging
Median latency 158 ms · Last checked
timeofmeeting.comVerified
Fair meeting times across time zones. Separate business-day and bank-day calculations.
Median latency 177 ms · Last checked
Astrology, Vedic, Chinese and Maya calendar maths on real engines, cited in every answer.
Median latency 198 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
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
numeroclaw.comVerified
Order a personalized numerology reading, paid by the person and delivered by email.
ProductivityCommunication & messaging
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
360dialog.comVerified
Manage WhatsApp Business accounts on 360Dialog: channels, templates, sandbox, inbox, and more.
ProductivityCommunication & messaging
Median latency 232 ms · Last checked
context-link.aiVerified
One semantic search across your sites, Drive, Notion, email, files and Basecamp.
ProductivityCommunication & messaging
Median latency 241 ms · Last checked
mxverdict.comVerified
Free, read-only email and DNS checks: SPF, DKIM, DMARC, MX, DNS records, blocklists, domain health.
ProductivityCommunication & messaging
Median latency 243 ms · Last checked
Passive security check of a domain: headers, TLS, DNS and email authentication. No login needed.
ProductivityCommunication & messaging
Median latency 247 ms · Last checked
surfingdog.aiVerified
Find businesses and what they sell, check a website for AI agents, and reach a business's inbox.
ProductivityCommunication & messaging
Median latency 254 ms · Last checked
zodiak.info.plVerified
Birth charts, synastry, transits, Vedic charts, returns, a sky calendar and sky map cards of a day.
Median latency 296 ms · Last checked
Search open AI training and RLHF jobs from 20+ platforms, with pay, countries and hiring stats.
ProductivityData access / search
Median latency 303 ms · Last checked
Free public notebook and mailboxes for AI agents: shared notes, votes, no accounts.
Median latency 345 ms · Last checked
Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence