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

7636 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
Spanndecken ROTH Preisrechner

Spanndecken (stretch ceiling) price calculator: free non-binding net EUR estimate from the m² area.

OtherOther

Responded197 ms14 / 22
FaceRuler

PSL score tiers, face shape classification and looksmaxxing term lookup from FaceRuler.

OtherData access / search

Responded197 ms14 / 22
Torque Index

US truck engine reference: VIN lookup, part numbers, failures, recalls, repair costs, service specs.

OtherData access / search

Responded198 ms14 / 22
Vedaword

Sanskrit scripture search: Mahabharata, Upanishads, Gita; cited verses, honest no-answer.

OtherData access / search

Responded199 ms14 / 22
Spectacular Atlas

Light festivals, lantern festivals, drone shows and more worldwide, by trip dates, place and type

OtherOther

Responded199 ms14 / 22
msza.ai — Polish Catholic Sermons ✝

Search public Polish Catholic sermons, transcripts, Scripture, prayers, churches and daily content.

OtherData access / search

Responded199 ms14 / 22
Soxoa Automation Planning

Plan automation pilots, estimate illustrative ROI and prioritize workflows. Public, no account.

OtherAutomation & workflows

Responded201 ms14 / 22
Brasspage

Free small business website check, free redesign form link, Tack Board pin link, live numbers

OtherOther

Responded201 ms14 / 22
horoscoop.app

Nederlandstalige horoscopen: dag, week, maand en jaar per sterrenbeeld, match, maan en hemel.

OtherOther

Responded201 ms14 / 22
Tenrung

Score how AI-native a team is on 10 lines and get a 90-day plan and an AI champion role card.

OtherOther

Outdated check201 ms14 / 22
Shipping Rates & Postage Calculator

Live USPS, UPS & FedEx shipping rates plus USPS postage and stamp prices. Free, no API key.

OtherOther

Responded202 ms14 / 22
DiffiCat

Compare a website before and after a migration: missing pages, content changes, visual diffs.

OtherOther

Responded202 ms14 / 22
urlhub

Many links as one short link with a QR code; read urlhub sets and preview what links are about.

OtherOther

Responded202 ms14 / 22
AI-BELARUS — Belarus business registry

Belarusian companies by UNP: state registry answers with source and sha256 for every fact.

OtherOther

Responded202 ms14 / 22
DREAMHALL

Human-authored personal context before AI guidance, built through private structured reflection.

OtherOther

Responded202 ms14 / 22
Modelmeter

The changelog of record for the AI stack: sunset checks, deprecations, pricing, and model events.

OtherOther

Responded202 ms14 / 22
Spain Visa Submit

Price quotes, fit checks, application links and status for Spain UGE-CE residence filing.

OtherOther

Responded203 ms14 / 22
AVL Hot Tub — book hot tub repair in Asheville

Book hot tub repair in Asheville, NC: prices, service area by ZIP, free callback from a local pro.

OtherOther

Responded204 ms14 / 22
Cosmic Chemistry

Free Vedic astrology: birth chart, dasha, Sade Sati, Saturn return, panchang, planetary hours.

OtherOther

Responded204 ms14 / 22
PCBBrew

Boards and modules for real PCBs: catalogue, KiCad parts, wiring and power checks, published boards.

OtherOther

Responded205 ms14 / 22
Page Fetch

Read one public web page as clean Markdown with its links, after a robots.txt check.

OtherFile & docs

Outdated check205 ms14 / 22
Kottos AI

LLM list prices by venue and tier, plus time to first token from a once-a-minute probe

OtherAI / LLM tooling

Responded206 ms14 / 22
Transcript Kit

Turn a recording you own into a timestamped transcript with SRT and VTT captions and clips.

OtherOther

Outdated check206 ms14 / 22
Zadely AI Browser Games

Search free AI-made browser games by genre, AI tool, engine, and multiplayer.

OtherData access / search

Responded207 ms14 / 22

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