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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1740 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
Real Real Genuine

Agent-native fashion marketplace. Browse, design, purchase NFTs, launch brands on Base.

Developer ToolsCode & DevOps

Outdated check186 ms12 / 22
SPLIDIA — operational notes and capabilities

Fibre optics, OTDR, network design and data centre notes from SPLIDIA, plus its service catalogue.

ProductivityFile & docs

Outdated check188 ms12 / 22
com.desaira/desaira

Search adult porn video (NSFW, 18+): nude clips, creators, hashtags. Read-only, no API key.

MediaData access / search

Outdated check197 ms12 / 22
UX Jobs

Search 4,000+ live UX & product-design jobs from jobs.uxjobs.io. Read-only, no auth.

OtherData access / search

Outdated check197 ms12 / 22
com.nuditok/nuditok

Search adult porn video (NSFW, 18+): nude clips, creators, hashtags. Read-only, no API key.

MediaData access / search

Outdated check203 ms12 / 22
Whoppah

Search and shop curated second-hand design: furniture, lighting, art and designer bags.

E-commerceData access / search

Outdated check229 ms12 / 22
ai.pictomancer/image-processing

Image processing for AI agents: resize, convert, compress, crop, and web-ready AI-generated images.

MediaAI / LLM tooling

Outdated check230 ms12 / 22
IndiaDigital

Free India tools for AI agents: tax, GST, salary, savings, due dates, gold, currency, video links.

Finance & CryptoPayments & trading

Outdated check230 ms12 / 22
ludoteca.dev

Open video game database: where to buy each game, store IDs, studios and publishers.

MediaDatabase

Outdated check237 ms12 / 22
com.jojapi/youtube-download-api

Youtube Download API: Download audio and video from YouTube. On the JoJ API marketplace.

MediaAI / LLM tooling

Outdated check239 ms12 / 22
BlitzReels Video Editor

Create, edit, reframe, caption, organize, generate, and export short-form videos with BlitzReels.

MediaAI / LLM tooling

Responded244 ms12 / 22
TurkishMeme Video Search

Find Turkish meme videos by title, remembered quote, person or scene; return permanent page links.

MediaData access / search

Outdated check262 ms12 / 22
FreqBlog Music Metadata

Audio features + harmonic set-building for tracks by name/ISRC. Spotify audio-features replacement.

MediaAI / LLM tooling

Outdated check273 ms12 / 22
Superbridger free tools

Check captions and videos against each social platform's limits; specs, image sizes. No account.

MediaAI / LLM tooling

Outdated check301 ms12 / 22
The Cable Code

Decode cables in 71 coding systems; design, rate, check, find equivalents; drums, laying, fire.

Developer ToolsCode & DevOps

Outdated check303 ms12 / 22
com.jojapi/cloud-api-hub-youtube-downloader

Cloud Api Hub - Youtube Downloader: Get Youtube video info and download links to MP4 or MP3 file.

MediaAI / LLM tooling

Outdated check305 ms12 / 22
streetshirts

Design custom T-shirts, preview artwork, personalize team shirts and prepare a checkout link.

Finance & CryptoPayments & trading

Outdated check320 ms12 / 22
Simple House Planner

Design and change floor plans to scale in 2D and 3D: walls, rooms, roofs, furniture and gardens.

OtherOther

Outdated check329 ms12 / 22
MagicON RF Design Engines

TX/RX/T-R chains, OTA link, radar, PCB filters, patch antennas, stackup, thermal, PDN, compliance.

Developer ToolsCode & DevOps

Outdated check385 ms12 / 22
com.jojapi/google-image-search

Google Image Search: Fast and Simple Google Images Search API. You can get 100+ search results in.

MediaData access / search

Outdated check388 ms12 / 22
Lenny Rachitsky Podcast Transcripts MCP Server

MCP server for structured access to Lenny Rachitsky podcast transcripts. For content creators.

MediaAI / LLM tooling

Outdated check390 ms12 / 22
FilmLab

AI film lab for filmmakers: generate and review images/clips with input provenance, cost preflight

MediaAI / LLM tooling

Outdated check400 ms12 / 22
com.jojapi/social-media-video-downloader

social media video downloader: A comprehensive API for extracting video details, metadata, and.

Marketing & SalesData access / search

Outdated check439 ms12 / 22
Yank

Five sourced lines from a video, podcast, article or PDF, and a check that a quote is in its source

MediaFile & docs

Outdated check460 ms12 / 22

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