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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5423 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
house.device/device-house

device.house — words become circuits. Design devices: BoM, enclosure, firmware, routed PCB.

OtherOther

Responded981 ms11 / 22
science.executable/executable-science

Read-only research pilot catalogue: task templates, resources, starter studies, capability status.

OtherOther

Responded1078 ms11 / 22
IRIS: startup intelligence

Sourced startup intelligence: SEC Form D rounds, launches, tech wire, market and startup jobs.

OtherOther

Responded1292 ms11 / 22
url2image

Capture batches of public web pages in a real browser and download the screenshots as a zip.

OtherOther

Responded1921 ms11 / 22
com.dropwatchhq/entity-screen

Screen a business or person for exclusions, debarment, and sanctions (SAM.gov, OFAC).

OtherOther

Responded45 ms11 / 22
ArenaCalc Race Pace & Endurance Split Calculator

Compute exact min/km, min/mile, and 400m track splits for 5K, 10K, Half Marathon, and Marathon.

OtherOther

Responded45 ms11 / 22
Vendor Legit Check

Screen a vendor, store, or group-buy for legitimacy: reputation, red flags, Reddit sentiment.

OtherOther

Responded54 ms11 / 22
com.dropwatchhq/phoenix-screen

Phoenix/rebrand relink detection: links a debarred principal to a newly-formed business entity.

OtherOther

Responded61 ms11 / 22
com.dropwatchhq/recall-risk

Check a product's recall risk: score + active CPSC/FDA/NHTSA recalls for a product or brand.

OtherOther

Responded61 ms11 / 22
Drop Index

Live restock index per collectible niche + will-it-restock predictor (WAIT vs BUY-RESALE).

OtherOther

Responded61 ms11 / 22
com.dropwatchhq/distress-abc

ABC/receivership wind-down asset maps: state notices joined to UCC collateral & secured parties.

OtherOther

Responded62 ms11 / 22
dev.workers.perch-app.kestrel/kestrel

Watch any URL for changes: baseline, then check for a diff. Free, no signup/key.

OtherOther

Responded64 ms11 / 22
com.dropwatchhq/title-check

VIN/HIN pre-purchase report: open NHTSA recalls, complaints, investigations, title-brand & liens.

OtherOther

Responded66 ms11 / 22
eSportCalc FPS Sensitivity & Pro Settings Lab

Convert mouse sensitivity across 16 FPS engines (Valorant, CS2, BF6) and inspect pro settings.

OtherOther

Responded70 ms11 / 22
io.tooloracle/arbitrumoracle

ArbitrumOracle - 12 Arbitrum tools: ERC-20, Camelot, GMX, sequencer, gas, bridge txs.

OtherOther

Responded87 ms11 / 22
io.tooloracle/revieworacle

ReviewOracle - 8 review intel tools: sentiment, themes, competitors, response drafts.

OtherOther

Responded88 ms11 / 22
io.tooloracle/flareoracle

FlareOracle - 12 Flare tools: FTSO oracles, FAssets, state connector, FXRP, FlareDrops.

OtherOther

Responded89 ms11 / 22
io.tooloracle/dora

DORAOracle — 15 tools for DORA Art.5-32: risk register, ICT incidents, TLPT, third-party.

OtherOther

Responded89 ms11 / 22
Lunara Natal Chart

Swiss Ephemeris natal chart from birth date, optional time and place, with Big Three and placements.

OtherOther

Responded97 ms11 / 22
ZahabPrice — Live Gold & Silver Prices

Live gold & silver prices for 37 countries. Tamara/Tabby installment calculators for Saudi Arabia.

OtherOther

Responded104 ms11 / 22
io.tooloracle/trustlayer

FeedOracle Trust Layer - 10-tool cross-server trust: signing, anchoring, verification.

OtherOther

Responded118 ms11 / 22
io.tooloracle/priceoracle

PriceOracle - 7 dynamic pricing tools: elasticity, A/B, segment pricing, competitor scan.

OtherOther

Responded128 ms11 / 22
Responded284 ms11 / 22
Spotby Business Registry

Find local businesses with owner-verified hours, services, prices and contacts, for AI agents.

OtherOther

Responded302 ms11 / 22

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