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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5233 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
Delco Plumber Now

Get a Delaware County, PA plumber now: instant price range, coverage, call/text (610) 362-5950.

OtherOther

Outdated check69 ms13 / 22
LeadProof

Verified local-business lead lists: quote, sample and order. Raw data via our Apify actors.

OtherOther

Outdated check69 ms13 / 22
com.parkinzi/parkinzi

Live Saudi smart-parking data: spots, EV chargers, stats, and blog. Read-only, no auth.

OtherOther

Responded70 ms13 / 22
AdvisorIQ

CE rules for US advisors by designation and state, plus independent wealth RIA data, with sources.

OtherOther

Outdated check70 ms13 / 22
RoamTime Japan Foliage Forecast

Forecast peak autumn-foliage dates for viewing spots across Japan. Free tier, no key.

OtherOther

Outdated check70 ms13 / 22
MyLastWill

Free U.S. wills, codicils and charitable bequest wording, plus will-signing rules for every state.

OtherOther

Responded71 ms13 / 22
Isto Intents Registry

Finds intent servers (car or home watch) for a country and category. Read-only.

OtherOther

Responded71 ms13 / 22
Sell My Company Data

Estimate what your company's operational data is worth to AI labs. Counts only, never content.

OtherOther

Outdated check71 ms13 / 22
Impact Plexus

Find Canadian and US funders and funding opportunities from public charity and grant filings.

OtherOther

Outdated check71 ms13 / 22
8B AI Website Builder

AI website & landing page builder: animated site in an 8B design, preview, edits, HTML download

OtherOther

Outdated check71 ms13 / 22
com.brainonbnb/pancakeswap-lp-route

PancakeSwap fee tier, V3 range, position and best swap route on BNB Chain, measured, free

OtherOther

Responded72 ms13 / 22
FormNord 3D printing

Quote and order 3D prints (PETG/ABS) from STL/3MF files, printed and shipped in Norway.

OtherOther

Outdated check72 ms13 / 22
Zelta Daily Calorie Target

Daily calorie target to lose, keep or gain weight, plus a weight goal timeline.

OtherOther

Outdated check72 ms13 / 22
ContrastKit

WCAG color contrast checks, nearest accessible color, CSS color conversion and palette pair checks.

OtherOther

Outdated check72 ms13 / 22
AI Text Checker by carrierscan

Check if AI wrote a text: English, Ukrainian, Kazakh, Uzbek, Estonian, Georgian, Lithuanian.

OtherOther

Outdated check72 ms13 / 22
ReciPal MCP by usefulapi

Read recipes, nutrition and inventory, manage ingredients and costs, and render ReciPal labels.

OtherOther

Outdated check72 ms13 / 22
ClearMarket

Reference data for prediction markets: graded resolution clarity, cross-venue links, provenance.

OtherOther

Responded73 ms13 / 22
WP Update Radar

WordPress plugin release signals from public support threads, with evidence and explicit unknowns.

OtherOther

Responded74 ms13 / 22
GlyphGuard

Find hidden Unicode (zero-width, bidi, tag payloads), homoglyphs and lookalike names in text.

OtherOther

Outdated check74 ms13 / 22
Biology Verdict

Longevity product reviews as data: dated US prices, cited sources and disclosed store links.

OtherOther

Outdated check74 ms13 / 22
Cymosoft

Cymosoft JSC profile and case studies (EN/JA) plus Japanese text utilities (文字数・全角半角・和暦)

OtherOther

Responded75 ms13 / 22
Nutrimeniu Nutrition Calculator

Calories and nutrition tables (EU 1169/2011) for recipes, restaurant menus and labels, per portion.

OtherOther

Responded75 ms13 / 22
Zelta Steps to Calories

Calories burned by a step count, and steps needed to walk off a food.

OtherOther

Outdated check75 ms13 / 22
Tallyfern Rates (Canada)

Read-only Canadian GST/HST rates, small-supplier check and CRA allowance rates, with CRA sources.

OtherOther

Outdated check75 ms13 / 22

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