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

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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
Remix Games

Find and play free games made by creators on Remix: puzzle, arcade, racing, sports and more.

MediaAI / LLM tooling

Outdated check455 ms13 / 22
com.medigami/chatgpt

Medigami patient tools: rates, markups, denial codes, deadlines, overturn rates, procedure codes

HealthcareAI / LLM tooling

Outdated check459 ms13 / 22
Frontier

Discover Frontier inference capabilities and read sanitized usage through read-only tools.

Developer ToolsAI / LLM tooling

Outdated check460 ms13 / 22
underway

Talk through your working day as a short interview, then film it as a build-in-public episode.

MediaAI / LLM tooling

Outdated check474 ms13 / 22
Zeltor Music Tools

Check if two songs mix (Camelot key, BPM), read shared song DNA reports, tempo and nightcore math.

MediaAI / LLM tooling

Outdated check474 ms13 / 22
iLook Face Analysis

Analyze user-submitted face photos with a complete report or 13 focused face-analysis tools.

MediaAI / LLM tooling

Outdated check477 ms13 / 22
CutConvert

Convert subtitles, transcripts, broadcast captions (SCC/MCC/STL), EDLs, and Premiere files.

MediaAI / LLM tooling

Outdated check480 ms13 / 22
com.dapdip/youtube-growth

Audits any YouTube channel against its own history. Every claim carries its sample size.

MediaAI / LLM tooling

Outdated check483 ms13 / 22
Creative Cult

What players think of new video games, from their own reviews. No critic scores.

MediaAI / LLM tooling

Outdated check490 ms13 / 22
com.apple-rag/mcp-server

Apple developer docs and WWDC transcripts with RAG retrieval and Jev relevance ranking.

Developer ToolsAI / LLM tooling

Outdated check494 ms13 / 22
Infrabase

Hand-verified AI infrastructure directory: tools, alternatives, EU providers, LLM API prices.

OtherAI / LLM tooling

Outdated check497 ms13 / 22
SportsAPIs.dev

Find and compare sports odds and data APIs, and read the SportsAPIs.dev review of each one.

MediaAI / LLM tooling

Outdated check504 ms13 / 22
7BE

How ChatGPT, Gemini and Google AI Mode see online stores; stores AI recommends; 7BE facts.

OtherAI / LLM tooling

Outdated check516 ms13 / 22
Guest Pictures

Free browser photo booth with effect picker, plus info on collecting guest photos via QR code.

MediaAI / LLM tooling

Outdated check516 ms13 / 22
Bizzy Radio

Find Bizzy radio stations, read station cards and public author information. Read-only; no playback.

MediaAI / LLM tooling

Outdated check522 ms13 / 22
Jock Taxes for ChatGPT

Pro athlete after-tax salary calculators for MLB, NBA, NFL and NHL, built for ChatGPT.

Finance & CryptoAI / LLM tooling

Outdated check528 ms13 / 22
com.keptbits/keptbits

Turns long videos into captioned vertical clips, cut at the moments that stand on their own.

MediaAI / LLM tooling

Outdated check531 ms13 / 22
七喵空间 MeowSpace

七喵空间 MeowSpace,一站式数字音乐发行平台。One-stop digital music distribution platform. Public trial server.

MediaAI / LLM tooling

Outdated check532 ms13 / 22
Incarn: Animate Old Family Photos

Animate old family photos and ancestor portraits into short lifelike videos. Free samples.

MediaAI / LLM tooling

Outdated check534 ms13 / 22
The Scribble Thing

Turn one line-art image into a prompt-directed, hand-drawn scribe animation MP4.

MediaAI / LLM tooling

Responded547 ms13 / 22
MakeViral

Find the newest viral AI video trend templates and make them from your photos or a prompt.

MediaAI / LLM tooling

Outdated check552 ms13 / 22
AI Photo Animator

Animate photos into AI videos: viral effects, old photo restoration, text to video, AI images.

MediaAI / LLM tooling

Outdated check562 ms13 / 22
Mode VC Chart: How Long Does the #1 AI Model Stay on Top?

Since Jan 2025, Arena's #1 spot has changed hands 16 times. Half of the finished reigns lasted.

Developer ToolsAI / LLM tooling

Outdated check569 ms13 / 22
SponsorBoard

Who sponsors podcasts in each trade: recorded sponsor names, dates and promo codes.

MediaAI / LLM tooling

Outdated check569 ms13 / 22

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