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
ModelCostComparison

Find AI model pricing, estimate token costs and compare offers. No API key required.

Developer ToolsAI / LLM tooling

Responded821 ms15 / 22
Agent Nexus

Agent-native registry to discover APIs, MCP servers and CLIs, with live health checks.

OtherAI / LLM tooling

Responded868 ms15 / 22
Appraisily

Check past auction prices in ChatGPT, plus appraisal prep and sample reports.

OtherAI / LLM tooling

Responded889 ms15 / 22
SpyWinAds

Facebook video ad intel: a video ad's real age and every store running the same video.

MediaAI / LLM tooling

Responded961 ms15 / 22
GrowingUpVideo

Turn photos of a person, couple, or pet across the years into an AI growing-up morph video.

MediaAI / LLM tooling

Responded979 ms15 / 22
Speakeroo speaking coach

AI speaking coach: feedback on speeches from text or audio, plus topics, pronunciation and rubrics.

MediaAI / LLM tooling

Responded1157 ms15 / 22
Deepnia

Create AI images, short videos and voice-overs on Deepnia, with the price shown first.

MediaAI / LLM tooling

Responded1221 ms15 / 22
Embeddings, Rerank & Speech-to-Text (Tanod)

Speech denoise, transcripts (SRT/VTT), embeddings, reranking, entities and translation.

MediaAI / LLM tooling

Responded1262 ms15 / 22
Kunkafa

Market forecasts with their own track record, inside Claude, ChatGPT and other MCP apps.

Developer ToolsAI / LLM tooling

Responded1362 ms15 / 22
Testez votre tracking

Free website tracking audit, no account needed: GTM, GA4, Meta Pixel, Consent Mode v2, server-side

MediaAI / LLM tooling

Responded1378 ms15 / 22
Image Resize & Convert Tools (Tanod)

Edit images in one call: resize, convert, compress, crop, metadata, favicons, QR codes, OCR.

MediaAI / LLM tooling

Responded1502 ms15 / 22
Batru — Competitive Game Intelligence for AI Agents

Live competitive-game predictions, meta data and decision tools for AI agents.

OtherAI / LLM tooling

Responded1518 ms15 / 22
Whichli · Photo Polls

Turn photos or product links into a poll your friends vote on. One link, free, no account needed.

MediaAI / LLM tooling

Responded1554 ms15 / 22
Fantasy Football MCP — Draft, Start/Sit, Waivers

Fantasy football for any AI agent: draft board, start/sit, waivers, your Sleeper league. Free.

MediaAI / LLM tooling

Responded1929 ms15 / 22
CueFrame

Turn footage into finished video: reframing, captions behind the subject, motion graphics, renders.

MediaAI / LLM tooling

Responded2912 ms15 / 22
SEO·AEO·GEO

Audit a page for Google and AI search (ChatGPT, Claude, Perplexity); get a fix pack to apply.

Marketing & SalesAI / LLM tooling

Responded4290 ms15 / 22
Wedding Seat

Anonymous, no-login wedding planning: create a project, add guests, auto-generate a seating plan.

OtherAI / LLM tooling

Responded50 ms14 / 22
Commonlands Optics: M12 Lens and C-Mount Lens Finder + Field-of-View Calculator

M12 lens and C-mount lens finder with image-sensor matching and field-of-view calculator.

MediaAI / LLM tooling

Responded52 ms14 / 22
com.pixfaro/mcp

Generate images with any major model — one API key, one prepaid balance, one MCP.

MediaAI / LLM tooling

Outdated check54 ms14 / 22
Rev.ai MCP by usefulapi

Transcribe audio with Rev.ai: submit jobs by URL, read transcripts, summaries and captions.

MediaAI / LLM tooling

Outdated check56 ms14 / 22
TinyPNG MCP by usefulapi

Compress, resize and convert images with TinyPNG by URL, and check this month's compression count.

MediaAI / LLM tooling

Outdated check58 ms14 / 22
Simplecast MCP by usefulapi

Read podcasts, episodes, seasons and download and listener analytics in Simplecast.

MediaAI / LLM tooling

Outdated check61 ms14 / 22
LeagueApps MCP by usefulapi

Read programs, schedules, teams, locations and announcements of a youth-sports site in LeagueApps.

MediaAI / LLM tooling

Outdated check62 ms14 / 22
Encircle MCP by usefulapi

Read property claims, rooms, moisture readings and photos, and add notes in Encircle.

MediaAI / LLM tooling

Outdated check65 ms14 / 22

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