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

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Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

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18439 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
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

Outdated check873 ms15 / 22
StringSpec

Lab measurements of nearly 800 tennis strings: search, compare and get recommendations.

Developer ToolsData access / search

Outdated check873 ms15 / 22
io.github.cyanheads/stackexchange-mcp-server

Search Stack Exchange questions, fetch Q&A threads as markdown, look up tag FAQs and user profiles.

Developer ToolsData access / search

Responded874 ms15 / 22
Lagos Life by Nova (CIVAI)

Play Lagos Life from chat: sign in, see who is on the map, read and send Phone DMs, check daily rew…

Developer ToolsCode & DevOps

Responded874 ms15 / 22
Plugin Soko-kun

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

Developer ToolsCode & DevOps

Outdated check876 ms15 / 22
TaskBullet Site Guide

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

Developer ToolsCode & DevOps

Outdated check878 ms15 / 22
io.github.cyanheads/cpsc-recalls-mcp-server

US consumer product recalls from the CPSC: hazards, remedies, and affected products.

Developer ToolsCode & DevOps

Responded879 ms15 / 22
io.github.cyanheads/arxiv-mcp-server

Search arXiv, fetch paper metadata, and read full-text content.

Developer ToolsCode & DevOps

Responded879 ms15 / 22
ERUX Astrology & Ephemeris Engine

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

Developer ToolsCode & DevOps

Outdated check880 ms15 / 22
io.github.cyanheads/nasa-power-mcp-server

Query NASA POWER solar, wind, building, and agroclimatology data.

Developer ToolsCode & DevOps

Responded882 ms15 / 22
io.github.reinlainer/postmd-mcp-server

Publish Markdown as a shareable web page, with document graphs

Developer ToolsFile & docs

Responded883 ms15 / 22
RuneScape Wiki

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

Developer ToolsCode & DevOps

Outdated check883 ms15 / 22
io.github.cyanheads/pharmacogenomics-guidelines-mcp-server

Find pharmacogenomics guidelines, translate diplotypes, and retrieve prescribing recommendations.

Developer ToolsCode & DevOps

Responded884 ms15 / 22
Alshhbaa Copperware — نحاسيات الشهباء

Luxury chandeliers and lighting catalog MCP server for shop.alshhbaa.com

Developer ToolsCode & DevOps

Responded885 ms15 / 22
YoushowInterpreter MCP

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

Developer ToolsCode & DevOps

Outdated check885 ms15 / 22
io.github.cyanheads/who-gho-mcp-server

WHO Global Health Observatory — 3,102 indicators across 194 member states.

Developer ToolsCode & DevOps

Responded887 ms15 / 22
Kilotest

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

Developer ToolsCode & DevOps

Outdated check887 ms15 / 22
io.github.cyanheads/nonprofit-explorer-mcp-server

MCP server for nonprofit financials via ProPublica: IRS Form 990 data for 1.8M+ nonprofits.

Developer ToolsCode & DevOps

Responded888 ms15 / 22
net.hookpulse/hookpulse

Know when a job stops or a site goes down after the agent exits. Free monitors; paid extra coverage.

Developer ToolsCode & DevOps

Responded891 ms15 / 22
io.github.cyanheads/cdc-health-mcp-server

Search and query CDC public health data — mortality, vaccinations, surveillance, behavioral risk.

Developer ToolsCode & DevOps

Responded892 ms15 / 22
io.github.cyanheads/noaa-spaceweather-mcp-server

NOAA SWPC space weather: storm scales, Kp index, aurora forecasts, solar wind, activity, alerts.

Developer ToolsCode & DevOps

Responded894 ms15 / 22
com.dechonet/mcp

30 security tools for AI agents: phishing links, exposure maps, DNS, SSL, PQC, history, pivots.

Developer ToolsCode & DevOps

Responded894 ms15 / 22
io.github.cyanheads/reference-data-mcp-server

Countries, timezones, elements, constants, HTTP status codes, unit conversion, and MIME type lookup.

Developer ToolsCode & DevOps

Responded895 ms15 / 22
io.github.cyanheads/interpro-mcp-server

Search InterPro entries, map domains onto proteins and PDB structures, and scan raw sequences.

Developer ToolsCode & DevOps

Responded896 ms15 / 22

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