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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5430 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
Python Code Validator

Proves AI-generated Python does what you asked: lint, types, security, sandbox run, exact fixes.

OtherOther

Requires authNot measured5 / 22Not checked yet
QRVow

Create, edit and track dynamic QR codes that never stop working, with scan stats.

OtherOther

Requires authNot measured5 / 22Not checked yet
Rebbel

Designed posts from your website, for Facebook, Instagram, X, Threads and more.

OtherOther

Requires authNot measured5 / 22
Red String

Revenue research and pipeline tools for agencies: scouting, contact intel, ABM, cadences, briefs.

OtherOther

Requires authOutdated checkNot measured5 / 22
ReputeMap

Read Google reviews and stats, draft AI replies, publish the ones you approve, request reviews.

OtherOther

Requires authNot measured5 / 22Not checked yet
RobinLawyer.ai

Jurisprudencia, normativa y doctrina oficiales españolas para abogados, con citas verificadas.

OtherOther

Requires authNot measured5 / 22
RoboSelect360 - Independent Humanoid Robot Intelligence

Humanoid robot intelligence: observed capabilities, BOM supply chain, pilot prep. Free and paid.

OtherOther

Requires authNot measured5 / 22Not checked yet
ROMKADE

Drive your retro handheld console: find your games, launch, save, set volume, get cheat codes.

OtherOther

Requires authOutdated checkNot measured5 / 22
Rotten America Petitions

Find, draft and start verified petitions from a chat; follow signatures and post updates.

OtherOther

Requires authOutdated checkNot measured5 / 22
Routine Run

Read, start and move the routines on your iPhone; suggest changes you approve on the phone.

OtherOther

Requires authOutdated checkNot measured5 / 22
RuralCheck

Location analysis for rural property in Europe: flood, noise, sun hours, land register and more.

OtherOther

Requires authOutdated checkNot measured5 / 22
SafeGrd

Read backups and Fire Drills, and ask for a backup or a drill. No tool deletes a backup.

OtherOther

Requires authNot measured5 / 22Not checked yet
SafeWeave

Security scanner for AI-written code: SAST, secrets, dependencies, IaC, containers and DAST.

OtherOther

Requires authOutdated checkNot measured5 / 22
Scenaloom

Read and edit your screenplays, series and novels in Scenaloom, with edits you approve.

OtherOther

Requires authOutdated checkNot measured5 / 22
Scope (AEC) - Preview

AEC subcontractor procurement layer. Preview - V3 launches 2027.

OtherOther

Requires authOutdated checkNot measured5 / 22
Scope (Claims) - Preview

Claims-side professional procurement (IMEs, independent adjusters, surveillance). Preview.

OtherOther

Requires authOutdated checkNot measured5 / 22
ScrapeField

Google Maps, LinkedIn, Instagram, TikTok and X data as tools. Demo mode needs no key.

OtherOther

Requires authNot measured5 / 22Not checked yet
ScreensDesign

Research mobile apps, onboarding, paywalls, and competitors with real screens, flows, and reviews.

OtherOther

Requires authOutdated checkNot measured5 / 22
Selda

Find customers, research each one and draft the outreach. Nothing sends without approval.

OtherOther

Requires authOutdated checkNot measured5 / 22
SendLetter

Send real, printed letters by post across Europe. Requires a free account; quote before sending.

OtherOther

Requires authOutdated checkNot measured5 / 22
ServiceBuddy Auto Repair Savings & Quote Auditor

Auto repair quote auditor, labor price benchmarks, and service deals for any US ZIP.

OtherOther

Requires authNot measured5 / 22Not checked yet
Shape

Find, read, save and organize files in your Shape workspace, with revocable OAuth access.

OtherOther

Requires authOutdated checkNot measured5 / 22
Shareflo

Read and update your UK cap table: instruments, stakeholders, holdings and account representatives.

OtherOther

Requires authNot measured5 / 22
ShopFront Locations

Sweden-based, EU-sovereign agentic Google Business Profile SaaS. Frankfurt, Stockholm, AI Pact.

OtherOther

Requires authNot measured5 / 22

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