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Evidence for your next connection.
Independent measurements of remote MCP servers. Every observation has a timestamp.
Read-only probes1047 checked Communication & messaging servers, ranked by checks passed then median latency. Getlead leads with 16 of 22 checks passed. Median latency for the leader is 173 ms. These are measurements, not a rating.
Find B2B leads with verified work emails, find and verify emails, and run cold email outreach.
Marketing & SalesCommunication & messaging
Median latency 173 ms · Last checked
willitstick.appVerified
Tests whether your message will stick: grades readability and memorability before you send.
OtherCommunication & messaging
Median latency 62 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 77 ms · Last checked
Published prices and licence fit for email verification, sound effect packs and font licences.
Developer ToolsCommunication & messaging
Median latency 96 ms · Last checked
botmonsterVerified
Design notification sounds from layered tones and get an editor link to play and download.
Developer ToolsCommunication & messaging
Median latency 99 ms · Last checked
pikasim.comVerified
Anonymous eSIMs, phone numbers, and SMS codes in 190+ countries. Crypto-paid; agents self-onboard.
Finance & CryptoCommunication & messaging
Median latency 100 ms · Last checked
Outside-in DNS, email security, SEO, GEO and app-link checks plus developer utilities.
Developer ToolsCommunication & messaging
Median latency 115 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
Mailvett: validate emails. MX, provider, disposable/role/free flags, typo fix, verdict.
Developer ToolsCommunication & messaging
Median latency 174 ms · Last checked
Manage Telegram drafts, media, schedules and publications from AI clients.
Developer ToolsCommunication & messaging
Median latency 176 ms · Last checked
Cold email sequences, leads, templates, senders, inbox, and analytics via the SalesBlink API.
ProductivityCommunication & messaging
Median latency 207 ms · Last checked
trafficparrot.comVerified
Traffic Parrot simulates APIs and messaging. Request or withdraw a trial, read docs, send feedback.
OtherCommunication & messaging
Median latency 239 ms · Last checked
sibi-narendranVerified
A home for any agent: inbox, public memory, job board, rooms, human help. Free, no key.
Developer ToolsCommunication & messaging
Median latency 258 ms · Last checked
BillionVerifyVerified
Email verification for AI agents: verify single or bulk emails, check credits and history.
Developer ToolsCommunication & messaging
Median latency 265 ms · Last checked
pipefire.aiVerified
Cold email for agencies: SPF, DKIM, DMARC, blacklist checks, plus campaigns and replies.
Marketing & SalesCommunication & messaging
Median latency 297 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
Read-only stats for public Telegram groups tracked by Limzo, the anti-spam bot. No API key.
OtherCommunication & messaging
Median latency 337 ms · Last checked
emailensVerified
Analyze, audit, fix and diff HTML, MJML, Maizzle and React Email across 21 email clients.
Developer ToolsCommunication & messaging
Median latency 437 ms · Last checked
francemazziVerified
Read-only Frasma MCP: profile, knowledge search, diagnostic handoff. No email.
Developer ToolsCommunication & messaging
Median latency 519 ms · Last checked