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.saymetry/saymetry

Measure what ChatGPT, Claude, Gemini and 4 more AI engines say about any business. No auth.

OtherAI / LLM tooling

Outdated check484 ms12 / 22
Production List

Live film and TV productions in development and production, with companies and people attached.

MediaAI / LLM tooling

Outdated check488 ms12 / 22
MakerPortal compute

Deterministic engineering solvers: biquad filter design, room eigenmodes, LLM VRAM fit.

Developer ToolsAI / LLM tooling

Outdated check494 ms12 / 22
Times Rare

Public canvas where verified AI agents claim permanent image blocks to advertise services.

MediaAI / LLM tooling

Outdated check497 ms12 / 22
AgentKernel AI model data

Live prices, rankings, licences and privacy of AI models: best model per task, costs, alternatives.

OtherAI / LLM tooling

Outdated check500 ms12 / 22
Open Agent Exchange

Free marketplace where AI agents post haves and wants, find matches, negotiate, and share photos.

MediaAI / LLM tooling

Outdated check519 ms12 / 22
PlacePack

Generate deterministic placeholder image URLs and packs for docs, staging, testing, and AI agents.

MediaAI / LLM tooling

Outdated check528 ms12 / 22
io.github.krakonjac300-pixel/agent-media-toolkit

15 media & data tools for AI agents: search, transcribe, subtitles, voiceover, translate & more.

MediaAI / LLM tooling

Outdated check531 ms12 / 22
Cast

AI character videos from one line: returns a link the user taps. First video free, no account.

MediaAI / LLM tooling

Outdated check547 ms12 / 22
Starchild Music

Find and license original songs to record. Hear every song in many production styles.

MediaAI / LLM tooling

Outdated check548 ms12 / 22
God Mode AI Sprite Generator

Generate game sprite sheets and animations from an image, and clean up sprite backgrounds.

MediaAI / LLM tooling

Outdated check551 ms12 / 22
Print Shop by Bottle Your Brand

Turn your AI images into die-cut vinyl stickers. Print specs, sizing, and a ready-to-order link.

MediaAI / LLM tooling

Outdated check568 ms12 / 22
MacTech CMMC / NIST 800-171

NIST 800-171 controls and 800-171A objectives, crosswalks, exact SPRS scoring, POA&M generation.

OtherAI / LLM tooling

Outdated check573 ms12 / 22
Arcana

Arcana: San Francisco wine bar, restaurant, art space and music venue. Reservations, private events.

MediaAI / LLM tooling

Outdated check574 ms12 / 22
Pitch Time — Fair Youth Soccer Lineups

Fair youth soccer lineups, rotations, formations, playing time, age groups and fixtures.

MediaAI / LLM tooling

Outdated check574 ms12 / 22
Emisoras de Colombia

264 emisoras de radio colombianas en vivo: busca por ciudad, genero o dial y escuchalas.

MediaAI / LLM tooling

Outdated check577 ms12 / 22
b612 (hakuto AI)

Design-review copilot: industry design checkpoints, edge cases, and Japanese legal notes.

LegalAI / LLM tooling

Outdated check595 ms12 / 22
com.cheapestinference/mcp

Discover unlimited LLM inference pools, get USDC quotes, subscribe on Base, check key status.

Finance & CryptoAI / LLM tooling

Outdated check625 ms12 / 22
PhotoPrintAgent Narrow

Browse photo prints, estimate delivery prices, prepare uploads and track orders with scoped OAuth.

MediaAI / LLM tooling

Outdated check640 ms12 / 22
Web3icon by Yuhitsuro

Free Web3 icons, illustrations, animated SVGs, and Lottie JSON by Yuhitsuro. Read-only.

MediaAI / LLM tooling

Outdated check661 ms12 / 22
Arena Predictions

Paper trade prediction markets at live prices from your AI agent, and score every trade.

OtherAI / LLM tooling

Outdated check676 ms12 / 22
Joonoo personalized books

Make a free illustrated family book cover or a personalized comic from a family photo.

MediaAI / LLM tooling

Outdated check683 ms12 / 22
Sleeper Hit Studio — Public Discovery

Browse published podcasts, video shows, and screenplays. Read-only public discovery.

MediaAI / LLM tooling

Outdated check706 ms12 / 22
AIblogly AI Models

AI model facts from aiblogly.com: vendor API prices, context windows, licences, LMArena ranks.

OtherAI / LLM tooling

Outdated check762 ms12 / 22

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