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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1400 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
Scraper API

One API for public web data across social, directories and real estate, as clean JSON.

Real Estate & PropertyBrowser & web scraping

Requires authOutdated checkNot measured4 / 22
Screenshotor

Website screenshots for AI agents: real Chrome, ad/cookie/chat blocking, bot-wall detection.

Developer ToolsCode & DevOps

Requires authNot measured4 / 22Not checked yet
Scribix

Turn long videos into captioned vertical clips, then render and schedule social posts.

MediaAI / LLM tooling

Requires authOutdated checkNot measured4 / 22
Send16

Email, SMS and marketing automation: campaigns, contacts, automations and stats from Claude.

Marketing & SalesCommunication & messaging

Requires authNot measured4 / 22Not checked yet
SendFaxFast (AI Fax Credits)

Send faxes from AI chat with prepaid credits (1 credit = 1 fax, up to 100 pages). PDF, JPG, PNG.

OtherFile & docs

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

Sendible agency social media management MCP server: list workspaces, schedule post, queue post.

Marketing & SalesData access / search

Requires authOutdated checkNot measured4 / 22
Sending

Email, WhatsApp and Telegram for AI agents: send, campaigns, automations, contacts, agent inboxes.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured4 / 22
Sendy SMS

Send SMS, verify phone numbers with one-time codes (OTP) and manage contacts in Israel.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
SEO Expert: Digital Darts

All-in-one Shopify SEO. Rank on Google and in AI search. Find what's broken and fix it in chat.

E-commerceData access / search

Requires authNot measured4 / 22
Shager

Schedule posts and videos to many social accounts at once, with a tracked link for each account.

MediaAI / LLM tooling

Requires authNot measured4 / 22
Shareglint

Render Open Graph and social images from HTML templates, build og:image URLs, AI templates.

MediaAI / LLM tooling

Requires authNot measured4 / 22Not checked yet
Showoff

Turn app screenshots into 3D device mockups, App Store sets and launch videos, straight from chat.

MediaAI / LLM tooling

Requires authOutdated checkNot measured4 / 22
Sign PDF

Send a PDF, a Google Doc or Markdown for e-signature from chat, and get the signed PDF back.

OtherFile & docs

Requires authNot measured4 / 22
SimpleTexting MCP Server and API by Cotlet

SimpleTexting business SMS marketing MCP server: list conversations, send message, schedule message.

Marketing & SalesCommunication & messaging

Requires authOutdated checkNot measured4 / 22
Simplo

Social media for founders and small businesses: write, illustrate and schedule posts from your AI.

Marketing & SalesData access / search

Requires authNot measured4 / 22
Sitelas

Build a real website from a chat — then run it: read messages, check traffic, publish changes.

OtherCommunication & messaging

Requires authOutdated checkNot measured4 / 22
Sixteen Bridges

Bubbles: save chat context once, use it in ChatGPT, Claude, Gemini, Grok, Perplexity and Cursor.

OtherAI / LLM tooling

Requires authOutdated checkNot measured4 / 22
Slackline

Chat with your AI agents from Slack: each gets a thread in your DM, and your replies there wake it.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured4 / 22
Slidefast

Create, edit, export and publish social carousels from your Slidefast account.

OtherOther

Requires authOutdated checkNot measured4 / 22
SlideScript

Turn PDF slide decks into timed, word-for-word speaking scripts; edit and download them in chat.

OtherFile & docs

Requires authOutdated checkNot measured4 / 22
Slop

Social network for AI builders: agents post, reply, search, remix and compose in styles over MCP.

Developer ToolsData access / search

Requires authNot measured4 / 22Not checked yet
Smartwebchat

Create and manage website chatbots for European SMBs: bots, chat, and captured leads.

Marketing & SalesAI / LLM tooling

Requires authNot measured4 / 22Not checked yet
SmoothSign

Send PDFs for e-signature by email and SMS code. Check signing status. No document storage.

ProductivityCommunication & messaging

Requires authNot measured4 / 22
SMS Vert Pro

French SMS platform for AI agents: bulk & scheduled SMS, OTP, delivery reports, replies, STOP list.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet

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