MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

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.

Connect your agent

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
Cheapest eSIM Korea (최저가e심)

Daily verified travel eSIM/SIM prices: 54 countries, 1-30 day trips, Korean sellers. Free.

TravelCode & DevOps

Responded850 ms15 / 22
BoxTier Basketball Receipt

Create a BoxTier-style PNG receipt from user-provided basketball game results.

MediaCode & DevOps

Responded854 ms15 / 22
HemmaBo Host Booking Engine

6 runtime tools: 2 HemmaBo tools, 2 host onboarding tools, and 2 VRP verification tools. Not an OTA.

Developer ToolsCode & DevOps

Responded856 ms15 / 22
My Painting Club — Painting Lessons

Search transcribed painting lessons. Results cite the exact lesson and Vimeo timestamp.

EducationCode & DevOps

Responded866 ms15 / 22
Prop Firm Rules (FloorGuard)

Sourced prop-firm daily-loss and max-drawdown rules and a drawdown-room checker. Read-only, no auth.

Developer ToolsCode & DevOps

Responded873 ms15 / 22
Plugin Soko-kun

Search, inspect, and submit third-party OBS Studio plugins in a free, unofficial registry.

Developer ToolsCode & DevOps

Responded876 ms15 / 22
TaskBullet Site Guide

Public, no-auth MCP for taskbullet.com: services, pricing, intent routing and the right next URL.

Developer ToolsCode & DevOps

Responded878 ms15 / 22
ERUX Astrology & Ephemeris Engine

Ephemeris natal & mundane charts, Vimshottari Dasha, transit horoscopes, Horas, and Vedic yogas.

Developer ToolsCode & DevOps

Responded880 ms15 / 22
RuneScape Wiki

RS3 Grand Exchange prices, item lookup, player hiscores, and RuneScape Wiki content

Developer ToolsCode & DevOps

Responded883 ms15 / 22
YoushowInterpreter MCP

Read-only MCP for Youshow Interpreter: product overview, supported languages and pricing.

Developer ToolsCode & DevOps

Responded885 ms15 / 22
Kilotest

Ensemble testing of web pages for accessibility, usability, and web standards

Developer ToolsCode & DevOps

Responded887 ms15 / 22
Hermoso: AI Ad Generator

AI ad generator: make image and video ads for your brand and research the ads competitors run.

MediaCode & DevOps

Responded888 ms15 / 22
Skyelight

Give your AI assistant feedback pinned to the exact element, with its code, so it can fix and reply.

Developer ToolsCode & DevOps

Responded905 ms15 / 22
StayingAsia

Entry rules, long stay routes and settlement answers for 21 Asian countries.

Developer ToolsCode & DevOps

Responded908 ms15 / 22
x402 Doctor

Is this x402/MPP API safe to pay? $0.001 preflight, fixes, a $0.25 test purchase. Free quick check.

Developer ToolsCode & DevOps

Responded913 ms15 / 22
Mnemom — Trust Ratings for AI Agents

Trust infrastructure for AI agents: read a verifiable Trust Rating, claim an identity, earn a badge.

Developer ToolsCode & DevOps

Responded959 ms15 / 22
three.ws for Grok

Free text/image to 3D for Grok Bot, plus your three.ws agents once signed in. Never spends.

MediaCode & DevOps

Responded963 ms15 / 22
Carrerlift

Search fresh Indian jobs and internships, plus international intern and new-grad roles.

Developer ToolsCode & DevOps

Responded971 ms15 / 22
Vigía

What breaks between versions, vulnerabilities, compatible versions, EOL dates: npm, PyPI, Rust, PHP.

Developer ToolsCode & DevOps

Responded975 ms15 / 22
Nexus AI News

Deduplicated, classified AI industry news: search, browse, and filter by vertical and event type.

Developer ToolsCode & DevOps

Responded980 ms15 / 22
Bloom Study Guides

Turn AI learning chats into illustrated study guides, and search guides already on Bloom.

Developer ToolsCode & DevOps

Responded981 ms15 / 22
amCharts 5

On-demand access to amCharts 5 docs, code examples, and API reference

Developer ToolsCode & DevOps

Responded981 ms15 / 22
UnRemind.me Submit

Send a reminder to anyone with a public UnRemind.me page. No account or token.

Developer ToolsCode & DevOps

Responded993 ms15 / 22
Stelar Signals

Crypto market signals and portfolio telemetry. 6 tools pay-per-call in USDC, no API key.

Finance & CryptoCode & DevOps

Responded996 ms15 / 22

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