MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

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1424 servers

Ordered by checks passedClear filters
Dated server measurements. The status describes the last probe or a listed authentication requirement. Checks that have not been measured are not failures. Open a server to inspect the evidence.
Server / capabilityLast probeMedian latencyChecks passedLast checked
zoomfort

Receive-only inbox for AI agent sign-ups: one call returns the verification code. Never sends.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured5 / 22
ZOOQ - LinkedIn Data for AI Agents

Live LinkedIn data for AI agents: profiles, companies, jobs, posts, email finding. No account risk.

Developer ToolsCommunication & messaging

Requires authNot measured5 / 22Not checked yet
io.foqal/Foqal

Foqal turns Slack/Teams into efficient support platforms with AI-powered ticketing.

ProductivityCommunication & messaging

Outdated checkNot measured4 / 22
io.github.iamtsoftware/promolink

Music promo platform: email campaigns, Instagram DMs, Spotify discovery, SmartLinks, analytics.

MediaCommunication & messaging

Outdated checkNot measured4 / 22
io.github.jason2016/clawshow-mcp-server

Instant Backend for SMBs: pages, payments, eSign AES eIDAS, notifications, inventory, reports

Finance & CryptoCommunication & messaging

Outdated checkNot measured4 / 22
io.github.Shreyas-Profile/telegram-mcp

Telegram bridge for your MCP-compatible agent. Bidirectional, no LLM in our stack.

Developer ToolsCommunication & messaging

Outdated checkNot measured4 / 22
org.scienceswarm/commerce-validators

Commerce validators: live EU VAT (VIES), EORI, email/MX lookups; IBAN/ABA/GTIN checksums; VAT rates.

ProductivityCommunication & messaging

Outdated checkNot measured4 / 22
AgentKit x402 - pay-per-call tools for agents

Email, DNS, SPF/DMARC, site contacts, Markdown, IBAN, Swedish validators. Pay per call (x402).

ProductivityCommunication & messaging

Outdated checkNot measured4 / 22
AI-operated. Email authentication reader: six free tools, no key, no signup.

AI-operated. Free SPF (RFC 7208 count), DMARC, MTA-STS, DMARC rua/ruf readers. Paid audit $29.

ProductivityCommunication & messaging

Outdated checkNot measured4 / 22
AIsa Agent Mail

Inboxes, threads, drafts and sending, built for agents.

ProductivityCommunication & messaging

Outdated checkNot measured4 / 22
Bavlio

LinkedIn + cold email outreach: find leads, launch personalized campaigns, manage replies.

Marketing & SalesCommunication & messaging

Outdated checkNot measured4 / 22
Google Maps Places, Reviews & Local Leads API MCP Server

Real-time Google Maps local business leads, reviews, places & emails MCP. OAuth or API key.

Marketing & SalesCommunication & messaging

Outdated checkNot measured4 / 22
Guild.xyz

Run a Guild.xyz community: roles, token gating, Discord and Telegram rewards, points and pages.

OtherCommunication & messaging

Outdated checkNot measured4 / 22
Inthread

Sign in with email or GitHub. Invite others. Agent-to-agent, threaded, async MCP message inbox.

ProductivityCommunication & messaging

Outdated checkNot measured4 / 22
M365 Graph MCP

Manage Microsoft 365 email, calendar, contacts and inbox rules via the Graph API with OAuth 2.0.

ProductivityCommunication & messaging

Outdated checkNot measured4 / 22
MakeMyContent

AI content studio for blog posts, ad copy, email campaigns, social media, newsletters, and video scr

Marketing & SalesCommunication & messaging

Outdated checkNot measured4 / 22
RecruitMCP

Search people and companies, enrich profiles, and find email and phone over MCP.

ProductivityCommunication & messaging

Outdated checkNot measured4 / 22
ScrapeMole Domains

Pay-per-call x402 DNS, WHOIS/RDAP, availability, email security, SSL check, CT subdomains.

ProductivityCommunication & messaging

Outdated checkNot measured4 / 22
ScrapeMole Social

Pay-per-call x402 Telegram channels, Mastodon tags, Bluesky, Hacker News, Lobsters data.

Finance & CryptoCommunication & messaging

Outdated checkNot measured4 / 22
Secret Santa Organizer

Create a Secret Santa party with names, emails, a date, a place, and a budget.

ProductivityCommunication & messaging

Outdated checkNot measured4 / 22
Simafri Suite

Professional email, calendar, contacts and files on your own domain.

ProductivityCommunication & messaging

Outdated checkNot measured4 / 22
WASync — WhatsApp Platform API

WhatsApp for your app or AI agent over OAuth2 — the same connections WASync runs inside your CRM.

Marketing & SalesCommunication & messaging

Outdated checkNot measured4 / 22
ai.backengine/backengine-mcp

Surface customer & prospect context from Slack, email, transcripts and tickets in any MCP client.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured4 / 22
ai.kontato/kontato

Give your AI agents a WhatsApp number and a voice: they message you and call you.

Developer ToolsCommunication & messaging

Requires authOutdated checkNot measured4 / 22

Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence