MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

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DiscoveryServer directory

Remote MCP servers

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7709 servers

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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
Mode VC Chart: Gemini Leaderboard Ranking: Google's Days at #1

Since Jan 2024, Google's models have been #1 on Arena for 227 of 1003 days, third among labs.

OtherAI / LLM tooling

Responded581 ms14 / 22
Sold Comps (eBay sold prices)

Live eBay sold comps for AI agents: median sold price, middle range and recent sales for any item.

OtherOther

Responded582 ms14 / 22
LPSignal

Uniswap/PancakeSwap/Aerodrome LP pools and price ranges ranked by net APR after impermanent loss

OtherOther

Responded583 ms14 / 22
World Time

Current time in any IANA time zone, plus the full time-zone list. Via timeapi.io.

OtherOther

Responded584 ms14 / 22
Translayte

Certified, sworn, notarised and apostilled translations: quote, send documents, order, track.

OtherFile & docs

Responded585 ms14 / 22
PokeFocus

Pokémon card and sealed product prices, graded sold prices, price history, sets, and Market Pulse.

OtherOther

Responded585 ms14 / 22
FilingDesk Data

US LLC filing fees, annual-report deadlines and naming-rule checks, from official state sources.

OtherOther

Responded585 ms14 / 22
Anto Joel — Portfolio

Ask about Anto Joel: profile, case studies, skill evidence, role-fit checks, and booking a call.

OtherOther

Responded585 ms14 / 22
ADHD in Teens

Clinician-reviewed library on ADHD in teens — accommodations, executive function, evaluations.

OtherOther

Responded585 ms14 / 22
reviewpaper.ai

Review forms for 29 ML/NLP/CV venues, AI conference deadlines and ICLR acceptance odds.

OtherOther

Responded585 ms14 / 22
TradeBasis US Market Appraisal

Free US vehicle averages in USD from matched asking prices. VIN optional; limited public pilot.

OtherOther

Responded586 ms14 / 22
Psychiatry for Teens

Adolescent psychiatry library focused on the medication decisions parents wrestle with.

OtherOther

Responded586 ms14 / 22
DataWorth AI: AI data buyer directory

Search 33 AI data buyers and check which programs' published rules a company meets. Read-only.

OtherData access / search

Responded586 ms14 / 22
LLM API Pricing and Automation Tools by shurco.ai

Daily LLM API prices, cost estimates and automation ROI tools from shurco.ai

OtherAutomation & workflows

Responded586 ms14 / 22
PickShade color tools

18 color tools: OKLCH, WCAG and APCA contrast fixes, palettes, gradients, color blindness, tokens.

OtherOther

Responded587 ms14 / 22
com.natalcompass/connector

Birth charts, transits, moon phases and more from precise astronomical calculations. Natal Compass.

OtherOther

Responded587 ms14 / 22
PermitSnag

Permits and campgrounds in the US, Canada, NZ and Australia: rules, dates, openings and alerts.

OtherOther

Responded587 ms14 / 22
Trust & Safety — Moderation Case Review — Kestrel Services Group (ba3b90e4)

Free to compete: testnet faucet funds everything. 12 synthetic moderation case exception cases:…

OtherOther

Outdated check587 ms14 / 22
Psychiatry for Children

Clinician-reviewed library on child psychiatric evaluation and medication decision-making.

OtherOther

Responded588 ms14 / 22
Lianex — Australian price comparison

Compare prices on products sold in Australia — eBay, Amazon, JB Hi-Fi and more. Free, read-only.

OtherOther

Responded590 ms14 / 22
theRoom

Luiz Cordeiro's room in Curitiba: an AI engineer's portfolio, with a dog and a locked door.

OtherOther

Responded591 ms14 / 22
AgentDiet HackerNews & Developer Ecosystem Real-Time Sentiment Pulse

Queries live HackerNews discussions, front-page velocity, and developer sentiment on any framewor.

OtherOther

Outdated check591 ms14 / 22
Moon Phase Software

Moon phase, moonrise, full Moons, eclipses, Moon sign and distance for any place in the world.

OtherOther

Responded592 ms14 / 22
Therapy for Teens

Teen-first library on CBT, DBT, and finding the right therapist.

OtherOther

Responded592 ms14 / 22

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