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
Kill My Idea

Judges startup and side-project ideas: KILL IT, FIX IT or SHIP IT, a 0-100 score and 8 sub-scores.

OtherOther

Outdated check298 ms15 / 22
Epic Fantasy 101 Booklist

Fantasy book recommendations: ranked reading list of 101 epic fantasy books like the ones you love.

OtherOther

Outdated check299 ms15 / 22
Average Electric Bill

Is a U.S. electric bill normal? Compare kWh and rates with similar homes, by state and utility.

OtherOther

Outdated check304 ms15 / 22
Padel Expert Lab

Padel racket comparator for France and Belgium, in French: search, brand specs, profile-based picks.

OtherData access / search

Outdated check307 ms15 / 22
Domain availability and quotes (demo)

Is a .com/.net/.org name free, and a signed one-year quote. Demo seller, orders refused. Free.

OtherOther

Outdated check324 ms15 / 22
DogsLife

Puppy potty, sleep, walk, feeding, adult-weight and dog-age calculators, in 23 languages.

OtherOther

Outdated check328 ms15 / 22
getcheapgames

Cheapest legit PC and console game keys across stores in 40 countries, plus deals and free games.

OtherOther

Outdated check331 ms15 / 22
Limzo Telegram Group Stats

Read-only stats for public Telegram groups tracked by Limzo, the anti-spam bot. No API key.

OtherCommunication & messaging

Outdated check337 ms15 / 22
Print and Mail Company

Print and mail real letters worldwide from the EU, incl. registered mail. Quote, compose, send.

OtherOther

Outdated check342 ms15 / 22
DaedalMap Administrative Boundaries (loc_id to polygon)

Retrieve loc_id boundary metadata, polygons, supported scopes, and comparisons.

OtherOther

Outdated check350 ms15 / 22
4dayweek.io Jobs

Search reduced-hours jobs and employers: 4-day weeks, 9-day fortnights, half-day Fridays and more.

OtherData access / search

Outdated check375 ms15 / 22
stierproducts tier lists

S-to-F tier lists for 208 product categories. Every placement cited, with barcodes.

OtherOther

Outdated check377 ms15 / 22
Próceres · escritos judiciales de España: papeleta, demanda y recursos

Redacta papeleta, demanda y recursos de España con los preceptos del BOE. Sin datos personales.

OtherOther

Outdated check389 ms15 / 22
Leonida Lab: GTA 6 facts, official or not

Unofficial GTA 6 facts tagged official or reported. Not affiliated with Rockstar Games or Take-Two.

OtherOther

Outdated check412 ms15 / 22
Crosswire — Polymarket & Kalshi Arbitrage

Cross-venue Polymarket+Kalshi arbitrage: resolution mismatch, void risk & settlement divergence.

OtherOther

Outdated check413 ms15 / 22
OODS Foundry

OODS Foundry is an object-oriented design system that extends the one you already have.

OtherOther

Outdated check434 ms15 / 22
NegativeEV bet checker

Grade any MLB, WNBA, PGA or ATP bet against thousands of play-by-play sims. No key, no signup.

OtherOther

Outdated check440 ms15 / 22
WCS Points

West Coast Swing WSDC points registry: dancer points, divisions, level-ups, event results and rules.

OtherOther

Outdated check448 ms15 / 22
Easy Scribe

Turn screen recordings into step-by-step guides, SOPs, tutorials and user docs with screenshots.

OtherOther

Outdated check461 ms15 / 22
Asian Recs

SF and NYC restaurants, cafes, desserts and bars ranked by how Asian diners rate them.

OtherOther

Outdated check467 ms15 / 22
TempGuru Event Staffing

W-2 staffing: 300+ U.S. and Canadian markets, 5,000+ events, 100,000+ completed shifts.

OtherOther

Outdated check470 ms15 / 22
Car Repair Cost Estimator

Car repair cost estimates by make, model and repair type. 31 cost guides, VIN decode. Free.

OtherOther

Outdated check475 ms15 / 22
Mahonia

Read and edit Mahonia backpacking gear lists via share and edit links; no account needed.

OtherOther

Outdated check480 ms15 / 22
Chalet-Montagne.com

Search French mountain holiday rentals and contact owners directly — commission-free.

OtherData access / search

Outdated check481 ms15 / 22

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