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
ÖLEN Music & Gastro Hall — table booking

Official ÖLEN restaurant (Almaty) booking: book and check a table, live-music nights, menus

MediaAI / LLM tooling

Outdated check72 ms13 / 22
Muro Paint Colors

Real paint colours from 35 brands, free; paint a room photo with a Muro account.

MediaAI / LLM tooling

Outdated check74 ms13 / 22
Kevscope CVE Check

Is a CVE exploited? CISA KEV, FIRST EPSS, CVSS and SSVC with a patch-first verdict. Free, no key.

SecurityAI / LLM tooling

Responded76 ms13 / 22
Lookbk

Find agent skills that render videos, decks, images and web pages, and get their install command.

MediaAI / LLM tooling

Outdated check77 ms13 / 22
Promptcelerator

Find AI video prompts that really worked, each with its video and its credited creator. Free.

MediaAI / LLM tooling

Outdated check79 ms13 / 22
OG Stamp

Pay-as-you-go Open Graph image API. Renders 1200x630 PNGs for agents. Credits never expire.

MediaAI / LLM tooling

Responded81 ms13 / 22
Docteur Bet — football probabilities

Free football match probabilities (Dixon-Coles), season projections and a public track record.

MediaAI / LLM tooling

Outdated check84 ms13 / 22
ClickThisLink AI Visibility Checker

Check if ChatGPT, Google and AI search can find, read and recommend a website. Free, no key.

OtherAI / LLM tooling

Outdated check86 ms13 / 22
LiveSpot

Find concerts, theatre, sport and festivals in Sweden. Authless, read-only MCP.

MediaAI / LLM tooling

Outdated check86 ms13 / 22
Secret Santa Raffle

Organise a Secret Santa from Claude or ChatGPT. Matchings never appear in the chat.

Developer ToolsAI / LLM tooling

Outdated check86 ms13 / 22
Pipe2.ai

Run multi-step AI pipelines for video, image, audio and text: upload media, run, poll results.

MediaAI / LLM tooling

Outdated check87 ms13 / 22
Samplecut

Cut audio from YouTube, TikTok or Instagram links to MP3/WAV, and fetch video transcripts.

MediaAI / LLM tooling

Outdated check88 ms13 / 22
Ghostpilot

Read-only facts about Ghostpilot, the AI interview copilot for Mac: product, pricing, download, FAQ.

Developer ToolsAI / LLM tooling

Outdated check89 ms13 / 22
zinema

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

MediaAI / LLM tooling

Outdated check92 ms13 / 22
BenchLeader

Daily LLM leaderboard from independent benchmarks: ranks, scores, prices, speed and comparisons.

OtherAI / LLM tooling

Outdated check93 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
InferCPI

AI inference price index: token prices, cost per capability, open vs closed, hosts, cost per task.

OtherAI / LLM tooling

Responded97 ms13 / 22
Ciro Cesar Maciel — Free Tools

Free, no sign-in: favicons, web to Markdown, CSV to chart, text to speech, time zones, passwords.

MediaAI / LLM tooling

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
AIDG Answer Feed

Validate authored product facts and export reviewed Merchant Center supplemental TSV files.

OtherAI / LLM tooling

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
Doseedo Film Score: spot a video, play your score on AI instruments, mix it to picture

Score video as an agent: cue sheet from the cut, 100+ AI instruments play your MIDI, mix to picture

MediaAI / LLM tooling

Outdated check104 ms13 / 22
Prorakel · Fußball-Prognosen

Football forecasts from a statistical model: matchdays, probabilities, public track record (German)

MediaAI / LLM tooling

Outdated check108 ms13 / 22
WebKnox

Answer cards in the chat: comparisons with photos, weather, nutrition, recipes, media and more.

MediaAI / LLM tooling

Outdated check110 ms13 / 22

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