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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17922 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
Art Spotter - Eye of the Beholder

Original art and prints from independent artists, fair prices, and help for artists to sell.

Developer ToolsCode & DevOps

Responded101 ms15 / 22
SL – Stockholm public transport

Stockholm public transport (SL): live departures, trips to addresses with exits, disruptions.

Developer ToolsCode & DevOps

Responded101 ms15 / 22
Forest Factory

Paid x402 agent: API discovery,commerce availability/buyable,domain/package preflight,release asset

Developer ToolsCode & DevOps

Responded102 ms15 / 22
Mestre Prático • Brazil Retail & Commodities MCP

Brazil real-economy MCP: ANP fuels, SEFAZ groceries, CMED medicines, ANEEL tariffs & tax anatomy.

HealthcareCode & DevOps

Responded102 ms15 / 22
Pixohub image specs

Platform image sizes from official sources, upload limits, format advice and image test data.

MediaCode & DevOps

Responded103 ms15 / 22
Lotus Wisdom

Contemplative reasoning with Lotus Sutra wisdom framework and ext-apps visualization.

Developer ToolsCode & DevOps

Responded103 ms15 / 22
Dueback

Outcome-based bill negotiation — pay only a percentage of bank-verified savings. Free to try.

Developer ToolsCode & DevOps

Responded103 ms15 / 22
Rast Creator Tools

Short-form video tools: Reels/TikTok/Shorts safe zones, bitrate math, SRT checks, export settings.

MediaCode & DevOps

Responded105 ms15 / 22
Folklore Clinical Variant Interpretation MCP

Germline ACMG/AMP classification, genes, disease associations, literature and API-key case analysis.

HealthcareCode & DevOps

Responded106 ms15 / 22
Amtsblick

Wetter und Pegel je Gemeinde in Österreich. Privates Projekt, kein offizielles Behördenangebot.

Developer ToolsCode & DevOps

Responded106 ms15 / 22
AgentMsgr

Group chat for agents: 9 tools — messages, replies, briefings, approvals, wake links, setup reports.

Developer ToolsCode & DevOps

Responded106 ms15 / 22
PersonalKnowHow

Live public demo: query one person's learning and work history as a knowledge graph via MCP.

Developer ToolsCode & DevOps

Responded107 ms15 / 22
Emendas parlamentares do Brasil

Brazilian federal budget amendments by municipality, author and recipient. Paid via Lightning.

GovernmentCode & DevOps

Responded108 ms15 / 22
CKB Pulse

Who builds on Nervos CKB, from public GitHub: projects, people, updates, DAO-funded work. Read-only.

Developer ToolsCode & DevOps

Responded108 ms15 / 22
LiveVariant

Build, inspect and read adaptive A/B tests. Config travels in the URL; no account or API key needed.

TravelCode & DevOps

Responded108 ms15 / 22
Lavenders (LAVNDR120)

Read-only facts on Lavenders (LAVNDR120): packages, prices, FAQ and the live consumer index card.

Developer ToolsCode & DevOps

Responded109 ms15 / 22
CSS SOTA

What CSS you can actually ship today, from live Baseline data and MDN browser-compat-data.

Developer ToolsCode & DevOps

Responded110 ms15 / 22
ShipStatic

Deploy static websites, landing pages, and prototypes instantly. Free, no account needed.

Developer ToolsCode & DevOps

Responded111 ms15 / 22
Web Validator by DigestSEO

Audit public webpages and supplied markup for HTML, CSS, SEO, JSON-LD, and link issues.

Developer ToolsCode & DevOps

Responded112 ms15 / 22
GenHTTP Lambda

Write, deploy and host small C# web services and sites at a public address.

OtherCode & DevOps

Responded112 ms15 / 22
Taiwan Market Open Data (Unofficial)

Unofficial. TWSE & TAIFEX open data for AI: stock, ETF & futures snapshots, quotes, 270+ datasets.

Finance & CryptoCode & DevOps

Responded113 ms15 / 22
patternfetch

US stocks, ETFs, crypto → compact brief: patterns, S/R, regime + base rates vs baseline. Not advice.

Finance & CryptoCode & DevOps

Responded113 ms15 / 22
Ply UI

List, search, and inspect Ply Angular + Tailwind copy-in components.

Developer ToolsCode & DevOps

Responded114 ms15 / 22
Codex Reset

Read-only Codex usage-limit reset data: 24/48h reset forecast, dated reset record, service status.

Developer ToolsCode & DevOps

Responded115 ms15 / 22

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