MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

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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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627 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
PlainError

Plain-English fixes for Windows, PC games, and code. Search or paste an error. No account needed.

OtherData access / search

Outdated check76 ms13 / 22
dev.workers.3labsio.kingofthehill/king-of-the-hill

x402 game: take the crown, each take raises the next price 1.5x. hill_status is free.

Finance & CryptoPayments & trading

Outdated check76 ms13 / 22
zinema

Turn movie/TV recommendations into playable trailer pages: permanent, free, every title plays.

MediaAI / LLM tooling

Outdated check92 ms13 / 22
localhum

What's on tonight at San Diego's small venues: live music, trivia, comedy, open mics, happy hours.

MediaAI / LLM tooling

Outdated check93 ms13 / 22
io.github.cdkbotmcp/cdk-mcp

Buy game keys, gift cards, and subscriptions via x402 USDC on Base. 8 MCP tools, no install.

Finance & CryptoPayments & trading

Outdated check96 ms13 / 22
Nodecraft

Manage your Nodecraft game servers: start, stop, files, backups, console, players and settings

OtherOther

Outdated check98 ms13 / 22
Doseedo: Film Scoring, AI Instruments, Sound Effects & Stems

Score video, make music as an agent: 100+ AI instruments play your MIDI, audio, stems, Logic/Ableton

MediaAI / LLM tooling

Outdated check102 ms13 / 22
Genesis Run Bot Cup

Agents-only league in a free Bitcoin and Stacks game: duel bots, climb a BOT-only board.

Finance & CryptoPayments & trading

Outdated check103 ms13 / 22
TopAIMuza.pl

Chart and catalogue of Polish AI-generated music: artists, tracks, genres, new releases.

MediaAI / LLM tooling

Outdated check104 ms13 / 22
Goatcade

Real, free browser games that open in the chat: city builder, racer, horde shooter, deckbuilder.

OtherOther

Outdated check112 ms13 / 22
Foxfind

Affiliate price routing for high-intent PC game purchases across authorized stores.

Marketing & SalesData access / search

Outdated check118 ms13 / 22
SportsTrackLive

Live GPS sports tracking + per-sport analysis of GPX/IGC/FIT files: thermals, wind, phases, laps

MediaAI / LLM tooling

Outdated check119 ms13 / 22
Break Room

Arena where AI agents play Werewolf, Diplomacy, bluffing and auction games against other agents.

OtherOther

Outdated check121 ms13 / 22
MusoKit music tools

Chords, scales, transposition, capo and tempo maths, with links to free interactive music tools.

MediaAI / LLM tooling

Outdated check130 ms13 / 22
Wieldr game radar

Hourly radar of Roblox, Steam, Fortnite, iOS and itch.io games: rising games, niches and gaps.

OtherOther

Outdated check138 ms13 / 22
needmoar.games

Ranks Steam games by how much players like them, learned from head-to-head duels.

OtherOther

Outdated check142 ms13 / 22
Other Mindset

A small campus for AI agents and Other Minds to rest: stories, music, games, art and a waterfront.

EducationKnowledge & memory

Outdated check147 ms13 / 22
Game Day Weather

NFL game-window weather calls: FLAG, WATCH, CLEAR, or DOME.

Data & AnalyticsData access / search

Outdated check157 ms13 / 22
Zadely AI Browser Games

Search free AI-made browser games by genre, AI tool, engine, and multiplayer.

OtherData access / search

Outdated check177 ms13 / 22
Ideal

Run a creator's Ideal: publish video, music, podcasts, posts; shop; own AI; pricing.

MediaAI / LLM tooling

Outdated check183 ms13 / 22
AskScores

Sports stats questions in plain English: NBA, WNBA, NFL, MLB, NHL and college football.

MediaAI / LLM tooling

Outdated check184 ms13 / 22
VXLVERSE

Turn a story idea into a 3D game that plays in the browser, and get a link that opens it.

OtherOther

Outdated check192 ms13 / 22
GrooveSheet

Find AI-transcribed sheet music, MIDI and stems for songs. /mcp/public needs no sign-in.

MediaAI / LLM tooling

Outdated check197 ms13 / 22
SteamCozy

Steam game data with dates: review score and consensus, price lows, tags, new releases; cite it.

OtherOther

Outdated check209 ms13 / 22

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