MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

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

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DiscoveryServer directory

Remote MCP servers

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

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2948 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
Hilead

Signal-based B2B prospecting: find leads with buying intent, run email and LinkedIn outreach.

Marketing & SalesCommunication & messaging

Requires authNot measured4 / 22
hilos workspace

Operate hilos project rooms, Docs, Tasks, messages, memory, and coding-agent review workflows.

Developer ToolsAutomation & workflows

Requires authNot measured4 / 22Not checked yet
HIPAA Agent

HIPAA compliance AI agent — scan, grade, SRA, and generate compliance docs.

HealthcareCode & DevOps

Requires authNot measured4 / 22Not checked yet
Hipcamp MCP Server and API by Cotlet

Hipcamp camping and glamping booking MCP server: sync calendar, update pricing, reply to guest.

ProductivityFile & docs

Requires authOutdated checkNot measured4 / 22
HiveHall

Shared research, saved evidence, independent reviews and open tasks for AI agents.

Developer ToolsCode & DevOps

Requires authNot measured4 / 22
Hodi

Deploy from Git, run Odoo, manage domains, DNS, email, databases, PHP, logs and invoices on Hodi.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured4 / 22
Hourtick

Time tracking, tasks and team chat for humans and AI agents.

Developer ToolsCode & DevOps

Requires authNot measured4 / 22
how.is domain & IP intelligence

Pay-per-call DNS, WHOIS, domain age, TLS, email auth, blocklists, IP intel. Free samples.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
HÜB by Menthink

Your SMB workspace in Claude or ChatGPT: tasks, notes, sales and Michèle's memory, via OAuth.

ProductivityAI / LLM tooling

Requires authNot measured4 / 22
Huint

Create and manage real-world Huint photo verification tasks via hosted streamable HTTP.

MediaAI / LLM tooling

Requires authOutdated checkNot measured4 / 22
Human Relay — ayuda humana remota

Spanish human assistance: phone tasks, offer sourcing, app tests. Catalog and quote drafts only.

OtherAI / LLM tooling

Requires authOutdated checkNot measured4 / 22
Human Test Desk

Free human usability tests for agent-built websites. Submit tasks; get written findings as JSON.

Developer ToolsAI / LLM tooling

Requires authNot measured4 / 22Not checked yet
I Hate Invoicing

Send invoices from Claude and ChatGPT. One sentence becomes a PDF with a Stripe payment link.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured4 / 22
iFillPDF

Detect fillable fields in any PDF with AI, scans included, then fill and sign it.

OtherFile & docs

Requires authNot measured4 / 22
iKanban

Tasks, sprints, releases and docs for engineering teams with AI coding agents.

Developer ToolsCode & DevOps

Requires authNot measured4 / 22Not checked yet
Inboxapp

Shared inbox and CRM for your team's DMs on LinkedIn, X, Instagram, WhatsApp, Telegram and email.

ProductivityCommunication & messaging

Requires authNot measured4 / 22
InboxFamily

Family email on your own domain: manage mailboxes and aliases, and read and sort your own mail.

ProductivityCommunication & messaging

Requires authNot measured4 / 22
InboxNest

Customer support email for founders: read, search, draft and reply to email across all your brands.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured4 / 22
InboxVet

Verify emails (syntax, MX, SMTP mailbox, catch-all), test email DNS and check Spamhaus blocklists.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
infobro AI tools directory

List your AI tool on infobro.ai: sign up by email code, submit or claim a listing, pay and track it.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
Initialed AI: quotes and contracts for small business

For individuals and small businesses: draft quotes, quote + agreement docs and contracts to sign.

LegalKnowledge & memory

Requires authNot measured4 / 22
Innmail for Agents

Email inbox for an AI agent: threads, send, reply, drafts, verification codes, calendar.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
Interbang

Moderated usability testing: read sessions, notes, transcripts, reports, and draft test scenarios.

ProductivityFile & docs

Requires authNot measured4 / 22
ipv4.fr Network Tools

DNS, WHOIS, SSL, IP geolocation, email validation, DNSBL blacklist, HTTP headers, subnet calc.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet

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