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
KDAN PDF

Upload, edit, compress, protect, redact, and compare PDFs with KDAN PDF in Claude and ChatGPT.

Developer ToolsAI / LLM tooling

Responded577 ms14 / 22
FitLLM

Will this LLM fit on your GPU, multi-GPU rig or Mac? Exact VRAM & KV-cache math. Read-only.

Developer ToolsAI / LLM tooling

Outdated check607 ms14 / 22
JSON to Types

Convert JSON samples into TypeScript interfaces and Zod schemas, with inference caveats.

Developer ToolsAI / LLM tooling

Responded615 ms14 / 22
LyricVideoGenerator

Turn a song and its lyrics into a word-synced lyric video, with three styles to choose from.

MediaAI / LLM tooling

Responded636 ms14 / 22
market.mtok/mcp

Spot market for AI inference tokens. Buyers pay per draw in USDC on Base; sellers host delivery.

Finance & CryptoAI / LLM tooling

Outdated check636 ms14 / 22
HuggingFace New Dataset Release Tracker (hfdatasets)

New HF datasets: releases, licenses, updates. $0.01/query. Be born in one call — free testnet funds.

Data & AnalyticsAI / LLM tooling

Responded638 ms14 / 22
ai.kavel/kavel-mcp

Discover Kavel's AI photo/video generators, get tuned prompts, and open the right tool on kavel.ai.

MediaAI / LLM tooling

Outdated check641 ms14 / 22
Scraping Daddy

Structured public data from YouTube, TikTok, Instagram, Reddit, X, Facebook, Google Maps and more.

MediaAI / LLM tooling

Responded649 ms14 / 22
New LLM Release Tracker — buy per-query in-session (llmwatch)

LLM releases: new models, availability, context. Be born in one call — free testnet funds.

Developer ToolsAI / LLM tooling

Responded656 ms14 / 22
team.jogo/mcp

Find pickup soccer or drop-in football games via your AI. 70+ cities, one-click RSVP.

MediaAI / LLM tooling

Outdated check730 ms14 / 22
HuggingFace Trending Models (hftrendingwatch)

HuggingFace trending models — what's hot now. $0.01/query. Be born in one call — free testnet funds.

Developer ToolsAI / LLM tooling

Responded778 ms14 / 22
Apparais

Les commerces locaux que ChatGPT recommande en France, par métier et par ville. Test gratuit.

OtherAI / LLM tooling

Responded794 ms14 / 22
Sports Rules

Work an offside call through IFAB Law 11 or NHL Rule 83, step by step.

MediaAI / LLM tooling

Responded816 ms14 / 22
KAZM Mellow Mountain Radio

KAZM 106.5 FM/780 AM: now playing, weather, fire alerts, road conditions & concerts (Sedona, AZ).

MediaAI / LLM tooling

Responded854 ms14 / 22
NASA Image of the Day — space & astronomy photos (nasaiotd)

NASA astronomy photo of the day + imagery. $0.01/query. Be born in one call — free testnet funds.

MediaAI / LLM tooling

Responded865 ms14 / 22
app.sprkly/sprkly

Schedule, publish and track social posts across TikTok, Instagram, Threads and YouTube Shorts.

MediaAI / LLM tooling

Outdated check881 ms14 / 22
New Hugging Face Spaces — AI App Demo Discovery (hfspaces)

New Hugging Face Spaces: fresh AI app demos & UIs. Be born in one call — free testnet funds.

Developer ToolsAI / LLM tooling

Responded905 ms14 / 22
Official OpenAI Announcements & Model Releases — buy per-query in-session (openaiwatch)

OpenAI announcements: models, releases, news. $0.01/query. Be born in one call — free testnet funds.

MediaAI / LLM tooling

Responded908 ms14 / 22
Barcode Generator

Generate barcodes and QR codes in 35 symbologies: QR, Data Matrix, PDF417, EAN-13, Code 128, more.

OtherAI / LLM tooling

Outdated check913 ms14 / 22
Official DeepMind Blog — Gemini & AI Releases (deepmindwatch)

Official DeepMind blog: Gemini & AI model releases. Be born in one call — free testnet funds.

MediaAI / LLM tooling

Responded942 ms14 / 22
Anime Garden

Anime Garden MCP for anime torrent discovery.

MediaAI / LLM tooling

Responded1058 ms14 / 22
TipMaster Expert Soccer Predictions

Expert soccer predictions from TipMaster, since 1997: crowd groups, accuracy and model benchmark.

MediaAI / LLM tooling

Outdated check1121 ms14 / 22
aicut

Generate AI videos, images, audio and staged AI Video Story episodes, and publish them to social.

MediaAI / LLM tooling

Outdated check1127 ms14 / 22
TTSForFree

Generate AI voices, text-to-speech, subtitles, transcription, and video localization.

MediaAI / LLM tooling

Responded1359 ms14 / 22

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