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

5432 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
AIsa Social

What people post and say across the major social platforms, in one place.

OtherOther

Outdated checkNot measured4 / 22
AIsa X / Twitter

Profiles, timelines, followers, replies, quotes, communities, lists and trends.

OtherOther

Outdated checkNot measured4 / 22
AIノアカリ☆ One-Minute Akari

A free one-minute reset for people, delivered by AI, with no account or personal data.

OtherOther

Outdated checkNot measured4 / 22
AskLoop

Create and run surveys by chatting. Respondents just open a link — no AI, no account.

OtherOther

UnreachableNot measured4 / 22
Atinamos Evidence

Read-only verification evidence for paid machine services and buyer policy checks.

OtherOther

Outdated checkNot measured4 / 22
Atlas absence index

Measured rates at which web services lack machine-readable capabilities. Research demonstrator.

OtherOther

Outdated checkNot measured4 / 22
B20 Check

Verify B20 tokens on Base: issuer powers, imposter detection, signed EIP-712 verdicts.

OtherOther

UnreachableNot measured4 / 22
BidSwarm

A public 500-rank ad board where every bid decays 1%/h. Read it, buy a rank, or try it free.

OtherOther

UnreachableNot measured4 / 22
Bizindex: svenska aktiebolag

Check Swedish limited companies (aktiebolag): registry data, their website and the evidence for it.

OtherOther

Outdated checkNot measured4 / 22
BMI Kit

Body composition for AI: BMI, body fat, FFMI, waist-to-height, plus saved measurement trends.

OtherOther

UnreachableNot measured4 / 22
BringThe.dog

Find UK dog-friendly places graded on how welcome dogs really are. Suggest and review places.

OtherOther

Outdated checkNot measured4 / 22
bumi company research

Turn a company domain into a structured B2B sales brief from their public website.

OtherOther

Outdated checkNot measured4 / 22
Caboo

Find local services, read availability, and create short-lived booking holds.

OtherOther

UnreachableNot measured4 / 22
Callejear Madrid

Catálogo oficial de 9.400 vías de Madrid y métricas parciales de servicios a 500 m.

OtherOther

UnreachableNot measured4 / 22
capital.new mandate draft tools

Verify Capital Authority Mandate drafts (SHA-256 replay) + v0 schema. Ceremonies stay human.

OtherOther

Outdated checkNot measured4 / 22
commonspecs

Product and service specs with per-field confidence, plus dated price offers.

OtherOther

UnreachableNot measured4 / 22
Cover Signal — Jevan NFL Picks

Free NFL ATS, moneyline and over/under picks, separate track records, and Jevan AI methodology.

OtherOther

UnreachableNot measured4 / 22
Cursu Job Age Checker

When a job was first posted and whether it is still open, from the employer's own job link.

OtherOther

UnreachableNot measured4 / 22
ElectionsMCP

Model and map any 2028 U.S. race down to the precinct: scenarios, swing, turnout, and roll-ups.

OtherOther

Outdated checkNot measured4 / 22
Epovest

With Epovest, businesses make AIs recommend them.

OtherOther

UnreachableNot measured4 / 22
EvaFarm — GPU render nodes

Render farm GPU nodes: live availability, installed DCC apps and engines, per-minute cost.

OtherOther

Outdated checkNot measured4 / 22
Eveoy — Verified In-Store Foot Traffic ($24.99/customer)

Your Eveoy expert in any AI — learn how it works, get a price, and order real in-store visits.

OtherOther

Outdated checkNot measured4 / 22
EverythingMeetsAI

AI's impact on real-world sectors: source-linked headlines in 18 sectors. Free, read-only, no text.

OtherOther

UnreachableNot measured4 / 22
ExactMods

Source-cited ARRMA 3S / 4x4 parts fitment with revision scope, confidence, sources, and guides.

OtherOther

UnreachableNot measured4 / 22

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