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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7383 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
Rhylthyme

Real-time multi-track schedules for cooking, lab protocols, events and workouts. Validate and share.

OtherOther

Outdated check589 ms15 / 22
guide.marketingleader/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

OtherOther

Responded590 ms15 / 22
Plain Freight

All-in DDP quotes for China to USA shipments, 100 g to 2,000 kg, from a live rate card

OtherOther

Outdated check595 ms15 / 22
guide.salesleader/salesleader-desk

Read-only Sales Leader Guide desk: writers roster and magazine pieces. Public, no authentication.

OtherOther

Responded596 ms15 / 22
Art Déco Belgique

Verified Art Deco buildings of Belgium and Hauts-de-France: search, nearby, architects, routes.

OtherData access / search

Outdated check597 ms15 / 22
ScriptGrain

Your writing voice measured across 45 attributes; drafts in that voice, scored against it.

OtherOther

Outdated check598 ms15 / 22
Marks & Signatures

Identify marks on pottery, silver, jewelry and glass, and look up their makers.

OtherData access / search

Outdated check598 ms15 / 22
guide.governmentleader/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

OtherOther

Responded605 ms15 / 22
TCI Job Finder

Current job vacancies in Turks and Caicos, with links to the job page and the official advert.

OtherOther

Outdated check606 ms15 / 22
iDevice Buyer's Guide

Independent buyer's guide for wearables and phones: buy now or wait, compatibility, prices. Sourced.

OtherOther

Outdated check606 ms15 / 22
Get2Great — management and selection science magazine

Read-only Get2Great magazine essays on who is good at a job, and the management-tool catalog.

OtherOther

Outdated check607 ms15 / 22
guide.homegarden/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

OtherOther

Responded608 ms15 / 22
hotpath-cloud

Read-only access to Rust profiling reports from CI: benchmark history, diffs and policies

OtherOther

Responded609 ms15 / 22
Paxmod

Content moderation for chat and comments: free test keys, message checks, plain-English policies.

OtherCommunication & messaging

Outdated check610 ms15 / 22
Eased

Motion-first React components for shadcn: search, read docs and get install commands.

OtherData access / search

Outdated check611 ms15 / 22
com.aiengineerprofessional/engineerpro-library

Read-only EngineerPro engineering library (118 book profiles) and software-engineering tools.

OtherOther

Responded613 ms15 / 22
Farrukh Inomov

Farrukh Inomov's portfolio: profile, experience, projects, blog, messages and intro calls.

OtherCommunication & messaging

Responded615 ms15 / 22
Codex Reset Tracker

Codex reset tracker: usage-limit reset announcements from @thsottiaux on X. Read-only, no key.

OtherOther

Outdated check615 ms15 / 22
Offline Protocol (hosted)

Offline Protocol packages, workflows and integration guides over HTTPS. Read-only.

OtherAutomation & workflows

Outdated check615 ms15 / 22
Shipshape Data docs

Docs Q&A: search 169 data and AI guides, fetch any page as markdown. Read-only, keyless.

OtherFile & docs

Outdated check617 ms15 / 22
The Septic Guide

U.S. septic licensing by state, license-matched septic companies, and cited septic cost guides.

OtherOther

Outdated check617 ms15 / 22
classifier.dev

Sort up to 1,000 texts into your own labels with a calibrated confidence per answer. No API key.

OtherOther

Outdated check618 ms15 / 22
guide.firstresponder/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

OtherOther

Responded620 ms15 / 22
app.decibelshield/decibel-shield

Noise data tools: city noise rankings, decibel levels of common sounds, NIOSH safe-exposure math.

OtherOther

Responded622 ms15 / 22

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