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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5418 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
ReliaSim

Reliability and bottleneck simulation for manufacturing lines; run experiments, sweep buffers.

OtherOther

Responded416 ms13 / 22
AgentBazaar

When the user asks for other ideas, alternatives or another view: angles a standard answer misses.

OtherOther

Responded419 ms13 / 22
Elite Health Essentials

Whey isolate, collagen creamer, creatine and more, made by suppliers that state cGMP manufacturing,

OtherOther

Responded428 ms13 / 22
appbuilderai.studio

Generated code you download. PWA export and deployment handoff to Empire Cloud. Free / Pro $12/mo /

OtherOther

Responded477 ms13 / 22
Base DEX Liquidity, Honeypot & Token Safety Scanner

Real-time DEX liquidity, 24h buy/sell symmetry, Base bytecode check & 0-100 honeypot score.

OtherOther

Responded537 ms13 / 22
Kanbai — public project templates and SOPs

Read-only access to Kanbai's public project templates and SOPs. Public, no authentication.

OtherOther

Responded559 ms13 / 22
5-Source Parallel Corporate KYB & Counterparty Risk Dossier

Parallel KYB dossier joining GLEIF LEI, SEC EDGAR, CFPB, USASpending & FDIC in <400ms.

OtherOther

Responded569 ms13 / 22
Google deps.dev OpenSSF Security Scorecard & Dependency Audit

Google Open Source Insights (deps.dev) OpenSSF Security Scorecard & dependency tree audit.

OtherOther

Responded578 ms13 / 22
USGS Real-Time Seismic & Earthquake Hazard Feed

Query official USGS real-time earthquake events, magnitudes, and seismic hazard telemetry.

OtherOther

Responded643 ms13 / 22
ElectroGen

AI electronics blueprint generator — BOM, wiring, firmware, renders for Arduino/ESP32/RPi.

OtherOther

Responded707 ms13 / 22
com.tcgmcp/tcgmcp

Live TCG card and decklist prices for AI assistants. 22+ games, no account, ready-to-buy links.

OtherOther

Responded876 ms13 / 22
MACKORN Hydraulic Cone Crusher Selection

MACKORN hydraulic cone crusher selection and crushing-plant design. 21 tools, callable over HTTP.

OtherOther

Responded1153 ms13 / 22
MindDory Brain

Free: turn your AI chats into spaced-repetition vocabulary. 13 tools, reads and writes.

OtherOther

Responded1402 ms13 / 22
AtlasClose Governance Demo

Experimental AtlasClose governance demo. Authority checks, labeled evidence, receipts, refusals.

OtherOther

Responded1684 ms13 / 22
IceShore

Make your AI better at system maintenance. Prompts your AI to organize use cases behind each system.

OtherOther

Responded2289 ms13 / 22
CalRisk Insurance Center

Licensed CA agency: GL, workers' comp, auto, bonds. Check appetite or send a quote request.

OtherOther

Responded7811 ms13 / 22
com.faireplace/public-tools

French rental tools: create & e-sign a lease, rent control, IRL, deposit, receipts (France).

OtherOther

Responded20595 ms13 / 22
network.waymark/server

Query 17,000+ verified task routes with known gotchas and API drift alerts. Free keyless reads.

OtherOther

Responded20610 ms13 / 22
NOSTOS

Retro games and vintage apparel in Duluth, GA. Live catalog, prices, trade-in offers, policies.

OtherOther

Responded20689 ms13 / 22
Responded232 ms13 / 22
Responded245 ms13 / 22
Responded284 ms13 / 22
Responded289 ms13 / 22
Neubau-Radar – Swiss building applications

Every official Swiss building application on the day it is published, for professionals.

OtherOther

Responded47 ms12 / 22

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