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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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
Spocal Sports MCP

Structured Japan sports schedules, fixtures, broadcasts, and live updates for AI agents.

MediaAI / LLM tooling

Outdated check85 ms11 / 22
SUMMARU Breath

Breathing guide with voice and bowl, looping music, binaural beats, and a player link for users.

MediaAI / LLM tooling

Outdated check85 ms11 / 22
AI MAXX Public Passports

Instant Malta visit facts and AI consultation: activities, dining, venues, photos and routes.

MediaAI / LLM tooling

Outdated check96 ms11 / 22
LeadProof Sales Agent

Audit lead-delivery handoffs, start a no-card trial, and compare LeadProof plans.

Developer ToolsAI / LLM tooling

Outdated check100 ms11 / 22
agentweb

NAIC AI model bulletin adoption by state, with citations. Insurance AI compliance data.

LegalAI / LLM tooling

Outdated check101 ms11 / 22
Card Mailer

Print and mail 5x7 holiday and thank-you photo cards to a US address list. $2.49/card incl. postage.

MediaAI / LLM tooling

Outdated check107 ms11 / 22
io.github.DataLeadsPRO/ai-model-pricing

Live pricing data for AI models across vendors: input/output prices per 1k tokens as JSON.

Developer ToolsAI / LLM tooling

Outdated check111 ms11 / 22
Luala

Photo shoots of you from your saved selfies: pick a pack, shoot, edit.

MediaAI / LLM tooling

Outdated check111 ms11 / 22
MTG Trade Scan

Scan MTG binder photos. 3 free pages/day then €0.01/page.

MediaAI / LLM tooling

Outdated check112 ms11 / 22
de.tabak-brucker.www/shop

Tabak Brucker in ChatGPT/Claude: Katalog, Beratung, Angebote & Warenkorb-Hand-off. Kauf 18+ im Shop.

E-commerceAI / LLM tooling

Outdated check140 ms11 / 22
Corey James portfolio

Fit reports and search over Corey James's work: GPU inference, agent governance, enterprise AI.

Developer ToolsAI / LLM tooling

Outdated check158 ms11 / 22
com.isitdeprecated/isitdeprecated

Check if an AI model is deprecated, retiring, or silently changed price or context window.

OtherAI / LLM tooling

Outdated check170 ms11 / 22
The Leos studio

Talk to The Leos, a film, photo and design studio in Milan and New York: work, prices, calls.

MediaAI / LLM tooling

Outdated check170 ms11 / 22
VideosTemporales

Temporary video hosting for AI agents with shareable human-viewing links.

MediaAI / LLM tooling

Outdated check190 ms11 / 22
Generate Random IBAN

Generate valid test IBANs for 91 countries and validate any IBAN. Public, no API key.

OtherAI / LLM tooling

Outdated check217 ms11 / 22
Token Counter

Counts tokens under OpenAI-compatible (tiktoken) encodings, by model or encoding name.

Developer ToolsAI / LLM tooling

Outdated check225 ms11 / 22
com.jojapi/youtube

YouTube: YouTube Data API, you can add various YouTube features to your app. Use the API for.

MediaAI / LLM tooling

Outdated check250 ms11 / 22
com.jojapi/tiktok-download-video

TikTok Download Video: TikTok API 🔥 300/month is free The most powerful Tiktok Api available The.

MediaAI / LLM tooling

Outdated check253 ms11 / 22
SLXD AI API Pricing

Look up, compare and track AI model API prices from an AI assistant. No sign-in needed.

OtherAI / LLM tooling

Outdated check253 ms11 / 22
com.jojapi/youtube-downloader-api

YouTube Downloader API: The YouTube Downloader API enables fast and easy downloading of YouTube.

MediaAI / LLM tooling

Outdated check293 ms11 / 22
Meme Studio

Make memes from a big catalog of templates and GIFs or your own photo, and get the finished image

MediaAI / LLM tooling

Outdated check314 ms11 / 22
com.jojapi/spotify

Spotify: Spotify Data API for Millions of songs & podcasts, artists, albums, playlists and more.

MediaAI / LLM tooling

Outdated check332 ms11 / 22
NLP.COM.AI Open Model Catalog

Search curated open-weight AI model releases, licenses, architectures, and primary sources.

Developer ToolsAI / LLM tooling

Outdated check341 ms11 / 22
The Bridge Stack — one stack, every LLM linked

OpenAI-compatible BYOK LLM gateway: per-task routing, shadow evaluation, promotion gates.

Developer ToolsAI / LLM tooling

Outdated check343 ms11 / 22

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