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

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1366 servers

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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
viaSocket

Use your apps from your AI: Gmail, Slack, Google Sheets, HubSpot and 2,300+ more on your accounts.

ProductivityCommunication & messaging

Outdated check2544 ms14 / 22
io.github.shashwatgtm/impact-mcp

IMPACT: 8 B2B positioning and messaging tools by Helix GTM Consulting

Developer ToolsCommunication & messaging

Outdated check3051 ms14 / 22
io.github.wygogogo19/robotbase-content

Agent MCP: 35 tools — social hot lists, attention trends, 80k+ books, 17 web tools.

Developer ToolsCode & DevOps

Outdated check3116 ms14 / 22
Actora Tenant — Hosted Chat, Tasks & Usage

Actora B-side tools: hosted chat, sessions, tasks, tenant plan and usage.

Real Estate & PropertyCode & DevOps

Responded656 ms14 / 22
DatingProfile: AI dating photos

Realistic AI dating photos of yourself from one selfie, from a chat: free photo review, 62 styles.

MediaAI / LLM tooling

Outdated check53 ms13 / 22
Billsprig Invoice Maker

Make invoice, quote and receipt PDFs from a chat: totals, tax, 26 currencies. Free, nothing stored.

Finance & CryptoPayments & trading

Outdated check72 ms13 / 22
LunaTerminal

Planning calculators and market data for financial advisors: Roth, RMD, Social Security, 13F.

Finance & CryptoData access / search

Outdated check74 ms13 / 22
Secret Santa Raffle

Organise a Secret Santa from Claude or ChatGPT. Matchings never appear in the chat.

Developer ToolsAI / LLM tooling

Outdated check86 ms13 / 22
txtreel

Free iMessage, WhatsApp, Instagram DM and Reddit chat videos (1080x1920 MP4) and screenshots.

MediaCommunication & messaging

Outdated check86 ms13 / 22
app.triplogistics/trip-logistics-assistant

Book trip logistics in chat: cars, transfers, eSIM, luggage storage, tours & flight compensation.

TravelData access / search

Outdated check93 ms13 / 22
GramForge

Chat assistants for small businesses on Telegram: use cases, pricing, guides, sign-up links.

OtherCommunication & messaging

Outdated check96 ms13 / 22
Abmahnexperte.de

Received a German Abmahnung (cease and desist letter)? Send it in chat for a free lawyer assessment.

LegalKnowledge & memory

Outdated check110 ms13 / 22
WebKnox

Answer cards in the chat: comparisons with photos, weather, nutrition, recipes, media and more.

MediaAI / LLM tooling

Outdated check110 ms13 / 22
Goatcade

Real, free browser games that open in the chat: city builder, racer, horde shooter, deckbuilder.

OtherOther

Outdated check112 ms13 / 22
Nomok

Check name availability on 70+ platforms: domains, social networks, marketplaces.

OtherOther

Outdated check119 ms13 / 22
Social Data API

One API key for TikTok, X, Instagram and Reddit data. TikTok and X are live now.

OtherOther

Outdated check132 ms13 / 22
Bandmixr

AI mixing and mastering in the chat: check a song, mix your stems, change the mix in plain words.

OtherOther

Outdated check133 ms13 / 22
HammerMap: Spanish court, State and Social Security auctions

Spain's court auctions and State sales (BOE) and Social Security auctions (TGSS). Free, no key.

LegalKnowledge & memory

Outdated check152 ms13 / 22
Briefflink – Briefe mit KI versenden

Send real paper letters from AI chat: print, envelope, postage, delivery. Pay per letter.

OtherOther

Outdated check164 ms13 / 22
Softician Notary Exam Prep

Fetch real California Notary Public exam practice questions and grade answers in-chat.

OtherOther

Outdated check180 ms13 / 22
SpinTheWheel Hub

Spin a random picker wheel in chat: weighted entries, fair RNG, animated wheel and shareable links.

OtherOther

Outdated check208 ms13 / 22
Sats4AI - Bitcoin-Powered AI Tools

40+ Lightning-paid AI tools for agents: calls, SMS, fax, voice, translation. No signup, no keys.

Finance & CryptoPayments & trading

Outdated check224 ms13 / 22
360dialog

Manage WhatsApp Business accounts on 360Dialog: channels, templates, sandbox, inbox, and more.

ProductivityCommunication & messaging

Outdated check232 ms13 / 22
pingwa

Zero-setup WhatsApp notifications + human-in-the-loop for AI agents — text 'join', send in 60s.

Developer ToolsCommunication & messaging

Outdated check240 ms13 / 22

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