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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1725 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
getwowlink

Check link previews (Open Graph, Twitter cards) on X, LinkedIn, Slack; OG images per page.

MediaCommunication & messaging

Outdated check699 ms15 / 22
Tessera Human Design

Human Design charts, transits and connections from birth data, explained in EN, NL and DE.

OtherOther

Outdated check739 ms15 / 22
Sapiens Sintéticos

Operate your Sapiens Sintéticos AI studio: generate image, article, voice, music and video.

MediaAI / LLM tooling

Outdated check797 ms15 / 22
MapNetwork

Generate styled PNG/SVG map images of places in Japan with 11 customizable color themes.

MediaCode & DevOps

Responded834 ms15 / 22
ProSignature email signatures

Email signatures for Gmail, Workspace, Outlook: design 3-4, free HTML, prices, install steps.

ProductivityCommunication & messaging

Outdated check870 ms15 / 22
Hermoso: AI Ad Generator

AI ad generator: make image and video ads for your brand and research the ads competitors run.

MediaCode & DevOps

Outdated check888 ms15 / 22
SpyWinAds

Facebook video ad intel: a video ad's real age and every store running the same video.

MediaAI / LLM tooling

Outdated check961 ms15 / 22
three.ws for Grok

Free text/image to 3D for Grok Bot, plus your three.ws agents once signed in. Never spends.

MediaCode & DevOps

Responded963 ms15 / 22
GrowingUpVideo

Turn photos of a person, couple, or pet across the years into an AI growing-up morph video.

MediaAI / LLM tooling

Outdated check979 ms15 / 22
Speakeroo speaking coach

AI speaking coach: feedback on speeches from text or audio, plus topics, pronunciation and rubrics.

MediaAI / LLM tooling

Outdated check1157 ms15 / 22
Designesy

Design quality gate for AI-generated UI: score any URL on 45 deterministic checks, A–F grade.

Developer ToolsCode & DevOps

Outdated check1211 ms15 / 22
Deepnia

Create AI images, short videos and voice-overs on Deepnia, with the price shown first.

MediaAI / LLM tooling

Outdated check1221 ms15 / 22
Contraptify

Design redstone machines with your AI and test them tick by tick with Java Edition 26.3 rules.

Developer ToolsCode & DevOps

Responded1357 ms15 / 22
Cuecaps

Animated word-by-word captions for your video and audio files, rendered on your machine by Cuecaps.

MediaCode & DevOps

Outdated check1372 ms15 / 22
Testez votre tracking

Free website tracking audit, no account needed: GTM, GA4, Meta Pixel, Consent Mode v2, server-side

MediaAI / LLM tooling

Outdated check1378 ms15 / 22
Image Resize & Convert Tools (Tanod)

Edit images in one call: resize, convert, compress, crop, metadata, favicons, QR codes, OCR.

MediaAI / LLM tooling

Responded1502 ms15 / 22
PatchDesign.AI

Design custom embroidered, woven, chenille, printed and PVC patches, price them, and link to order.

OtherOther

Outdated check1881 ms15 / 22
QRdx

Design styled QR codes and build Wi-Fi, contact and SMS payloads. Most tools need no API key.

Developer ToolsCode & DevOps

Outdated check2627 ms15 / 22
CueFrame

Turn footage into finished video: reframing, captions behind the subject, motion graphics, renders.

MediaAI / LLM tooling

Outdated check2912 ms15 / 22
MemeStack

Visual search for memes, infographics and charts — by meaning, OCR text, or image similarity.

MediaData access / search

Outdated check6123 ms15 / 22
Mindee MCP by usefulapi

Turn PDFs and images into typed fields — invoices, receipts, IDs and custom models — via Mindee OCR.

Finance & CryptoPayments & trading

Outdated check51 ms14 / 22
Commonlands Optics: M12 Lens and C-Mount Lens Finder + Field-of-View Calculator

M12 lens and C-mount lens finder with image-sensor matching and field-of-view calculator.

MediaAI / LLM tooling

Outdated check52 ms14 / 22
com.pixfaro/mcp

Generate images with any major model — one API key, one prepaid balance, one MCP.

MediaAI / LLM tooling

Outdated check54 ms14 / 22
Zenserp MCP by usefulapi

Search Google, images, news, maps, shopping, YouTube, jobs, hotels, flights and trends with Zenserp.

MediaData access / search

Outdated check56 ms14 / 22

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