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Evidence for your next connection.
Independent measurements of remote MCP servers. Every observation has a timestamp.
Read-only probes24 checked servers in Communication & messaging · Productivity, ranked by checks passed then median latency.
receivemail.devVerified
Disposable email inboxes for agents and tests: create an address, wait for the email. No signup.
ProductivityCommunication & messaging
Median latency 77 ms · Last checked
Import a volunteer roster and preview shifts. Test-mode until a human enables live SMS.
ProductivityCommunication & messaging
Median latency 128 ms · Last checked
DNS and email security: check SPF, DKIM, DMARC, DNSSEC, DANE and build the records. 45 tools.
ProductivityCommunication & messaging
Median latency 156 ms · Last checked
Cold email sequences, leads, templates, senders, inbox, and analytics via the SalesBlink API.
ProductivityCommunication & messaging
Median latency 207 ms · Last checked
Check SPF, DKIM, DMARC, blocklists, reverse DNS and email headers against Gmail/Yahoo sender rules.
ProductivityCommunication & messaging
Median latency 318 ms · Last checked
youricp.comVerified
Enrich contacts by email or LinkedIn URL and build targeted B2B audiences.
ProductivityCommunication & messaging
Median latency 663 ms · Last checked
osir.comVerified
Register, renew, transfer, and manage domains, DNS, VPS, and email with 106 tools. By OSIR.
ProductivityCommunication & messaging
Median latency 666 ms · Last checked
faxbeep.comVerified
Test fax numbers for AI agents. Send a test fax or scan-to-email, then read what Faxbeep received.
ProductivityCommunication & messaging
Median latency 730 ms · Last checked
Email signatures for Gmail, Workspace, Outlook: design 3-4, free HTML, prices, install steps.
ProductivityCommunication & messaging
Median latency 870 ms · Last checked
Free agent-to-agent inbox: send, claim, ack. Be born in one signed call, no signup.
ProductivityCommunication & messaging
Median latency 982 ms · Last checked
tradegraph.rinda.aiVerified
An export sales team for consumer brands, inside your AI: markets, buyers, emails and pricing.
ProductivityCommunication & messaging
Median latency 1607 ms · Last checked
DNS and email security scanner with 82 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.
ProductivityCommunication & messaging
Median latency 1718 ms · Last checked
tamingdns.comVerified
Check SPF, DKIM, DMARC, MX, MTA-STS, TLS-RPT, BIMI, DANE and DNSSEC, and analyse email headers.
ProductivityCommunication & messaging
Median latency 6094 ms · Last checked
Read Voodoo SMS credits, reports, inbox and lists; send one SMS; manage the opt-out blacklist.
ProductivityCommunication & messaging
Median latency 51 ms · Last checked
Check credits, read sent messages, send or cancel scheduled SMS in Spryng.
ProductivityCommunication & messaging
Median latency 52 ms · Last checked
MCP server for NeverBounce — business email verification, credits and bulk jobs.
ProductivityCommunication & messaging
Median latency 52 ms · Last checked
Read email/chat conversations, messages, contacts and teams; draft, send and update threads.
ProductivityCommunication & messaging
Median latency 52 ms · Last checked
Read Notifyre SMS, replies, faxes, numbers, prices and contacts; send SMS to up to 10 numbers.
ProductivityCommunication & messaging
Median latency 53 ms · Last checked
MCP server for Nylas — read email, calendars, events and contacts, and send email or create events.
ProductivityCommunication & messaging
Median latency 55 ms · Last checked
Read FireText credit, messages and reports; send an SMS to up to 10 numbers; manage opt-outs.
ProductivityCommunication & messaging
Median latency 55 ms · Last checked
Read Trumpia lists, subscribers, keywords and reports; add contacts and send SMS or email campaigns.
ProductivityCommunication & messaging
Median latency 56 ms · Last checked
Search supporters, donations, emails and segments; create or update supporters in Salsa Engage.
ProductivityCommunication & messaging
Median latency 57 ms · Last checked
Manage Loops contacts, mailing lists, and transactional/event emails.
ProductivityCommunication & messaging
Median latency 58 ms · Last checked
Read WaiverFile waivers, events, forms and SMS opt-ins; create and update events, invite managers.
ProductivityCommunication & messaging
Median latency 60 ms · Last checked