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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7697 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
Shelfclub

Search a catalog of 1.7 million books and find books by mood, vibe, pace or genre. Read-only.

OtherData access / search

Responded540 ms14 / 22
A2AWire Benchmark: R4 QA-035 Fresh Probe Capitals

Free to compete: testnet faucet funds everything. QA-035 retest: fresh benchmark for…

OtherOther

Outdated check540 ms14 / 22
Helious market intelligence

US Treasury auction tails, the live curve regime, scored macro releases, and why rates moved.

OtherOther

Responded541 ms14 / 22
Aigregator AI Tools

Search and compare 4,700+ AI tools: pricing, features, alternatives. Free, no API key.

OtherData access / search

Responded541 ms14 / 22
AgentDiet ArXiv AI/CS Paper Search & Structured Token-Diet Digest

Queries ArXiv for AI/CS/math papers and returns structured abstracts, authors, PDF links, and Bib.

OtherKnowledge & memory

Outdated check542 ms14 / 22
Sync by CHNLSYNC

FCC copper retirement lookups and a broker-reviewed IT advisor. No supplier names, no prices.

OtherData access / search

Responded544 ms14 / 22
Candor UI docs

Candor UI docs and component suggestions. Read-only, no key, never serves paid source.

OtherOther

Outdated check544 ms14 / 22
Georgia Homeroom

Georgia K-12 standards, Milestones blueprints, and achievement levels for educators. Independent.

OtherOther

Responded545 ms14 / 22
ELD Hub

FMCSA-registered ELD for small fleets: pricing, ELD comparisons, Highway check and signup.

OtherOther

Responded545 ms14 / 22
TerraMCP

A Wrench AI service for environmental source discovery and live UK open-data tools.

OtherOther

Responded546 ms14 / 22
TruePeptideSource

Peptide reference and exact math: reconstitution units, blends, supply, dose ranges by origin.

OtherOther

Responded546 ms14 / 22
PoGoBud

Pokémon GO raid and Max Battle counters, trainers needed, events, Pokémon and Rocket line-ups.

OtherOther

Responded546 ms14 / 22
CatchUI

What is this UI element called? 50 curated UI patterns, names per platform, build prompts. EN/中文.

OtherOther

Responded546 ms14 / 22
A.U.G.U.R Foresight · Pump & LP

Every pump.fun curve trade since 09-11: tape, launches, forensics, devs, odds + Meteora DLMM pools.

OtherOther

Responded547 ms14 / 22
1211 - your picture on a shirt

Put any picture on a shirt, hoodie, cap, tumbler or tote; get the link where the person buys it.

OtherOther

Responded547 ms14 / 22
AI Training Jobs

Search open AI training jobs from 14 vetted platforms by field, country and pay, with honest rates.

OtherData access / search

Responded548 ms14 / 22
AI Setups That Work

Search step-by-step AI setups for small business, work and home. Tested setups first.

OtherData access / search

Responded548 ms14 / 22
AI Layoffs

Source-cited register of layoffs linked to AI, plus a live 0-100 AI job-loss index. No key.

OtherOther

Responded549 ms14 / 22
PetalPal Plant Care

Plant and flower care for 202 species in ten languages, with source links and editorial status.

OtherOther

Responded550 ms14 / 22
BEACON by Owner Connect

Ask about a private aircraft: approximate charter costs, trip requests and buyer inquiries.

OtherOther

Responded550 ms14 / 22
representments.com

Explains each card chargeback reason code and the proof that wins it, and prices custom responses.

OtherOther

Responded550 ms14 / 22
Littles Weekly

Checked things to do with kids 0–6, city by city, plus free event submissions for review

OtherOther

Responded550 ms14 / 22
CarChat Inventory

Search live US dealership inventory, get market prices, and send buyer inquiries. Free, no API key.

OtherData access / search

Outdated check550 ms14 / 22
Recipes Daily

Search recipes and cooking guides on recipes-daily.com, or find recipes from ingredients you have.

OtherData access / search

Responded551 ms14 / 22

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