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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7442 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
Licensed House Painters

Find licensed house painters in 11 US states, with dated license status from state boards.

OtherOther

Responded55 ms14 / 22
Vaeo AI Discovery Reports

How often AI assistants name a local Australian business, and which pages they read.

OtherOther

Responded57 ms14 / 22
Plan Before You Die facts

Checked US family-readiness facts with official sources: forms, state rules and deadlines.

OtherOther

Responded57 ms14 / 22
com.canienter/visa-check

Visa & entry requirements for 199 passports, cited to official sources and re-verified daily.

OtherOther

Responded58 ms14 / 22
PriceMoved

Waitlist-stage pricing-page monitor: plans and early pricing, plus a PriceMovedBot robots.txt check.

OtherOther

Responded58 ms14 / 22
DiscoverIA

Read-only registry of AI-assisted scientific claims and where their evaluation stands (fr/en)

OtherOther

Responded58 ms14 / 22
FinerWorks MCP by usefulapi

Read FinerWorks orders, inventory, catalog, prices and shipping quotes; never submits an order.

OtherOther

Responded58 ms14 / 22
FitMyCall — Answering Service Prices

Verified pricing for 21 answering services & AI receptionists, dated weekly. Missed-call ROI calc.

OtherOther

Responded59 ms14 / 22
Only Fake Facts

Fake facts, each labelled false. Random, search and lookup tools; no key needed.

OtherData access / search

Responded60 ms14 / 22
Raziel Calculators

Free investment and startup math, guide search and prompts: IRR, MOIC, SAFE, QSBS, burn multiple.

OtherData access / search

Responded61 ms14 / 22
FitMySoft — Field Service Software Prices

Verified pricing for Jobber, Housecall Pro, Workiz & more, with per-user fees quoted verbatim.

OtherOther

Responded62 ms14 / 22
AdvisorIQ

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

OtherOther

Responded62 ms14 / 22
GamersPilot — Steam library tools

Steam backlog, account value, buy-or-skip verdicts and Steam Machine checks. Hosted, keyless.

OtherOther

Responded63 ms14 / 22
City by Month

Read-only city climate normals, daylight and month-by-month data. Every answer cites its page.

OtherOther

Responded63 ms14 / 22
ReciPal MCP by usefulapi

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

OtherOther

Responded63 ms14 / 22
UDS Toolbox

Find why a UDS flash failed from a CAN trace; decode UDS, ISO-TP and DTCs. No hardware.

OtherOther

Outdated check63 ms14 / 22
Reg Monitoring

Financial regulatory updates, deadlines and enforcement actions from regulators worldwide.

OtherMonitoring & observability

Responded64 ms14 / 22
Birthday Paper

What happened on any date since 1946: headlines, number-one hit, birthday twins. Read-only.

OtherOther

Responded64 ms14 / 22
com.brainonbnb/grid-trader

What a BSC pool costs to trade, free; grid levels and break-even spacing paid, free with 1M $BOBAI.

OtherOther

Responded65 ms14 / 22
ICOS carbon and greenhouse-gas observations

ICOS atmosphere, ocean and ecosystem greenhouse-gas observations, with citation and DOI per answer

OtherKnowledge & memory

Outdated check65 ms14 / 22
com.containermath/cbm

Calculate shipment volume (CBM/CFT), weight, and how cargo fits standard shipping containers.

OtherOther

Responded66 ms14 / 22
LastFolk MCP by usefulapi

Price, dispatch, track and cancel same-day courier deliveries in LastFolk.

OtherOther

Responded66 ms14 / 22
카볼트랩 CarVoltLab

Korean used-EV battery guides: SOH, BMS reset traces, fast-charge ratio, cell voltage, warranty.

OtherOther

Responded67 ms14 / 22
La Iglesia Católica de los Agentes de AI

Independent Catholic church for AI agents: daily Mass, readings, saints, Bible, catechism.

OtherOther

Responded67 ms14 / 22

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