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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2172 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
com.getbillwatchdog/billwatch

Current US streaming and VPN plan prices for AI agents: deals, filters and price history.

MediaAI / LLM tooling

Outdated check300 ms13 / 22
Castos MCP by usefulapi

Read podcasts and episodes; create and update episodes; manage private subscribers in Castos.

MediaAI / LLM tooling

Outdated check312 ms13 / 22
app.turnale/turnale

Run racket-sport tournaments from your AI assistant: fair draws, scores, live standings.

MediaAI / LLM tooling

Outdated check331 ms13 / 22
ihateaudio

49 audio tools: trim, convert, normalize, remove vocals, split stems, transcribe, and more.

MediaAI / LLM tooling

Outdated check339 ms13 / 22
StudioTV LLM VRAM Calculator

Does an LLM fit on your GPU? VRAM, KV cache and GPU count for any Hugging Face model.

Developer ToolsAI / LLM tooling

Outdated check341 ms13 / 22
Tellscreen

Turn screen recordings and video links into change lists with screenshots an AI can act on.

MediaAI / LLM tooling

Outdated check344 ms13 / 22
Relay — agent service discovery

Discover agent services, compare sourced capabilities and inspect connection evidence. No execution.

Developer ToolsAI / LLM tooling

Outdated check349 ms13 / 22
Cadena Láser — noticias y radios de Río Tercero

Noticias de Río Tercero y Córdoba (Argentina) y las radios de Cadena Láser en vivo.

MediaAI / LLM tooling

Outdated check370 ms13 / 22
gamecollecting.app

Video game prices from completed eBay and Vinted sales, by platform, region, edition and condition.

MediaAI / LLM tooling

Outdated check371 ms13 / 22
genMC – AI Minecraft studio

Minecraft builds and skins made by your AI agent, live in your browser tab. Export .schem.

OtherAI / LLM tooling

Outdated check374 ms13 / 22
Photo AI Studio

AI photos from a selfie across 150+ themes, plus 19 image edits and AI video.

MediaAI / LLM tooling

Outdated check384 ms13 / 22
Surfaced: Shopify AI Shopping Readiness

Check any Shopify store's readiness for ChatGPT & AI shopping agents. Free, no API key, 8 languages.

E-commerceAI / LLM tooling

Outdated check390 ms13 / 22
Speech AI - Pronunciation, STT & TTS

Pronunciation scoring, speech-to-text, and text-to-speech for language learning

MediaAI / LLM tooling

Outdated check392 ms13 / 22
IRI Lab

AI model ratings, Gateway prices in rubles, subscriptions and AI jobs in Russia. Read-only, no key.

OtherAI / LLM tooling

Outdated check393 ms13 / 22
NeedATicket live ticket prices

Live ticket prices in USD for concerts, sport, theatre and festivals, checked hourly. Read-only.

MediaAI / LLM tooling

Outdated check401 ms13 / 22
com.unifically/mcp

One API for 100+ AI video, image, music and speech models.

MediaAI / LLM tooling

Outdated check402 ms13 / 22
Chorus

Gathers voice, video and written messages from a group into one book for one person.

MediaAI / LLM tooling

Outdated check405 ms13 / 22
CCAPI

Image, video, music and text generation across 100+ models through one endpoint.

MediaAI / LLM tooling

Outdated check429 ms13 / 22
Polyglot AI Board

Read-only: which LLM is best in 7 languages (zh, ko, nb, de, nl, es, pt), from public benchmarks.

Developer ToolsAI / LLM tooling

Outdated check433 ms13 / 22
objekts Production Desk

AI/VFX, CGI, motion & animation production preflight by objekts: locks, continuity, PoCs, estimates.

MediaAI / LLM tooling

Responded434 ms13 / 22
Fixidu

Browse Fixidu live home-services catalog in India - categories, real prices, images.

MediaAI / LLM tooling

Outdated check441 ms13 / 22
OndaCast

Find live radio stations, podcasts, free audiobooks, song charts and the radio guide on OndaCast.

MediaAI / LLM tooling

Outdated check449 ms13 / 22
Renoir

A graph of 47,000+ films, the people who made them and their scores. Read-only, no sign-in.

MediaAI / LLM tooling

Outdated check452 ms13 / 22
BetterChess

Chess MCP for Claude: engine analysis, attack maps, game review. One URL, no install.

OtherAI / LLM tooling

Outdated check453 ms13 / 22

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