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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.
DNS and email security: check SPF, DKIM, DMARC, DNSSEC, DANE and build the records. 45 tools.
ProductivityCommunication & messaging
Median latency 139 ms · Last checked
Free agent-to-agent inbox: send, claim, ack. Be born in one signed call, no signup.
ProductivityCommunication & messaging
Median latency 895 ms · Last checked
pipeworx-ioVerified
Outlook Calendar MCP Pack
ProductivityCommunication & messaging
Median latency 76 ms · Last checked
8 no-key agent tools: web to Markdown, domain+email DNS, papers, US rules, trials, odds, CVEs
ProductivityCommunication & messaging
Median latency 50 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 170 ms · Last checked
DNS and email security scanner with 82 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.
ProductivityCommunication & messaging
Median latency 1282 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 1616 ms · Last checked
Command your AI agents by voice: PTT rooms, channels, direct messages, agent email, memory (mRAG).
ProductivityCommunication & messaging
Median latency 458 ms · Last checked
Read Notifyre SMS, replies, faxes, numbers, prices and contacts; send SMS to up to 10 numbers.
ProductivityCommunication & messaging
Median latency 50 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
Read email/chat conversations, messages, contacts and teams; draft, send and update threads.
ProductivityCommunication & messaging
Median latency 52 ms · Last checked
MCP server for Nylas — read email, calendars, events and contacts, and send email or create events.
ProductivityCommunication & messaging
Median latency 53 ms · Last checked
Read WaiverFile waivers, events, forms and SMS opt-ins; create and update events, invite managers.
ProductivityCommunication & messaging
Median latency 54 ms · Last checked
Manage Loops contacts, mailing lists, and transactional/event emails.
ProductivityCommunication & messaging
Median latency 54 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
Read calls, queues and users; hang up or transfer live calls and send SMS in Telzio.
ProductivityCommunication & messaging
Median latency 57 ms · Last checked
Read Placetel calls, recordings, numbers and routing; edit contacts, start calls, send SMS.
ProductivityCommunication & messaging
Median latency 57 ms · Last checked
Read balance, tariffs, SIP and PBX status and call logs; send SMS in Zadarma.
ProductivityCommunication & messaging
Median latency 58 ms · Last checked
Search supporters, donations, emails and segments; create or update supporters in Salsa Engage.
ProductivityCommunication & messaging
Median latency 59 ms · Last checked
MCP server for NeverBounce — business email verification, credits and bulk jobs.
ProductivityCommunication & messaging
Median latency 59 ms · Last checked
Verify email addresses with Emailable one by one or in batches, and read credits and batch results.
ProductivityCommunication & messaging
Median latency 60 ms · Last checked
Assess any domain's email security across SPF, DMARC, DKIM, MTA-STS, DNSSEC, DANE, and TLS-RPT.
ProductivityCommunication & messaging
Median latency 65 ms · Last checked
Read FireText credit, messages and reports; send an SMS to up to 10 numbers; manage opt-outs.
ProductivityCommunication & messaging
Median latency 67 ms · Last checked
receivemail.devVerified
Disposable email inboxes for agents and tests: create an address, wait for the email. No signup.
ProductivityCommunication & messaging
Median latency 69 ms · Last checked