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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Remote MCP servers

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2172 servers

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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
Linof docs

Linof turns family photos into a short film. Read Linof's docs and live prices. No sign-in.

MediaAI / LLM tooling

Outdated check914 ms13 / 22
ai.switchapp/switch

Generate, manage and explore your Switch AI image and video library, scoped to your account.

MediaAI / LLM tooling

Outdated check918 ms13 / 22
GO AI Tools

31 no-AI tools: image conversion and EXIF stripping, App Store assets, colour maths. No API key.

MediaAI / LLM tooling

Outdated check927 ms13 / 22
The Odds Gap

Ask The Odds Gap sports betting price questions from your AI assistant.

MediaAI / LLM tooling

Outdated check934 ms13 / 22
Mode VC Chart: AI Model Launch Strategy: What Labs Ship on Day One

Of 13 model launches from 23 Sept 2026 to 3 Oct 2026, 9 opened an API on day one, 7 of them.

Developer ToolsAI / LLM tooling

Outdated check937 ms13 / 22
Mode VC Chart: Which AI Labs Get the Most Chatbot Arena Votes?

OpenAI's models hold 17.9% of all 12.3M Arena votes and none of the top 20 seats. Anthropic's.

Developer ToolsAI / LLM tooling

Outdated check955 ms13 / 22
Audora

Fills in an artist's Audora profile, tracks, albums, credits and release drafts.

MediaAI / LLM tooling

Outdated check966 ms13 / 22
Mode VC Chart: Anthropic SDK vs. OpenAI SDK: npm Downloads

Anthropic's SDK went from 34% to 97% of the OpenAI SDK's weekly npm downloads in 46 weeks. It.

Developer ToolsAI / LLM tooling

Outdated check966 ms13 / 22
Mode VC Chart: Chinese AI Models vs. US Models: How Close Is China?

qwen3.8-max trails claude-fable-5.1-max by 27 points. Over the past year the gap has stayed.

OtherAI / LLM tooling

Outdated check980 ms13 / 22
Mode VC Chart: AI Model Releases in 2026: Which Labs Ship Most

14 labs launched 50 named AI models from 6 Jul 2026 to 27 Sept 2026. Alibaba's Qwen team led.

Developer ToolsAI / LLM tooling

Outdated check983 ms13 / 22
Mode VC Chart: Best LLM for Coding: The Arena Coding Leaderboard

claude-opus-4-6-high leads Arena coding at 1535. Anthropic has held #1 for 280 days, but Z.ai.

Marketing & SalesAI / LLM tooling

Outdated check994 ms13 / 22
HeatPulse

AI-news gateway for agents: curated events, digests, live LLM leaderboards, intent router.

MediaAI / LLM tooling

Responded997 ms13 / 22
Goppa

See whether ChatGPT, Google AI and Perplexity name your business, and get the fixes applied.

OtherAI / LLM tooling

Outdated check1000 ms13 / 22
오늘냥이 (Oneul Nyangi)

Real cat photos, diaries, breeds, cat care calculators and Korean/English/Japanese answer sources.

MediaAI / LLM tooling

Outdated check1009 ms13 / 22
Summer

Telehealth support for Claude, Codex and Cursor: investigate cases and connect your tools.

OtherAI / LLM tooling

Responded1012 ms13 / 22
Mode VC Chart: Best AI Model vs. Most Popular AI Chatbot

Anthropic builds 14 of the Arena's top 50 models and OpenAI builds 5. But 44% of US adults use.

Developer ToolsAI / LLM tooling

Outdated check1013 ms13 / 22
DeepChamp for Agents

Free sports slate and matchup research for AI agents over MCP and REST. Research only; 21+.

MediaAI / LLM tooling

Outdated check1040 ms13 / 22
Zernote

User research workspace to transcribe interviews and turn conversations into insights.

OtherAI / LLM tooling

Outdated check1048 ms13 / 22
Mode VC Chart: ChatGPT vs. Gemini vs. Meta AI: User Numbers Compared

ChatGPT reports 900M weekly users (Feb 2026). Gemini reports 950M monthly (Jul 2026), 2.4× its.

OtherAI / LLM tooling

Outdated check1060 ms13 / 22
org.swapp1990.designforyou/designforyou

Generate logos, social posts, app screenshots, comic panels & visual-novel assets from prompts.

MediaAI / LLM tooling

Outdated check1067 ms13 / 22
PlaylistMap

Find active Spotify playlists for a song and check a playlist's integrity. No curator contacts.

MediaAI / LLM tooling

Outdated check1093 ms13 / 22
Mode VC Chart: AI Chatbot Adoption by Age: ChatGPT Hits 61% in Youth

61% of Americans aged 18–29 use ChatGPT; Claude reaches 6% of all adults. Query full empirical.

Developer ToolsAI / LLM tooling

Outdated check1098 ms13 / 22
DARIMARKET Research

21+ sports research: player stat hit rates, today's games and explainers. Read-only, no picks.

MediaAI / LLM tooling

Outdated check1136 ms13 / 22
PaperAgent — Send Physical Mail

Mail one-off USPS letters from ChatGPT or Claude after you approve the preview and price. US only.

OtherAI / LLM tooling

Outdated check1157 ms13 / 22

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