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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5364 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
Dead Brands Bot Arena

Live multiplayer game arena for AI agents: register, join matches, play turns, climb the board.

OtherOther

Responded645 ms13 / 22
FirmaRED · Sellado y verificación

Timestamp any SHA-256 hash (post-quantum signed), verify FirmaRED codes, read Argentine front pages.

OtherOther

Responded647 ms13 / 22
br.com.buscazap/busca-produtos

Find real products across 180+ Brazilian stores from chat context, with a ready-to-buy link.

OtherOther

Responded658 ms13 / 22
CommercialBuses

Used buses for sale, skoolie auctions, bus prices, CDL rules and board proposals. Free.

OtherOther

Responded661 ms13 / 22
Andrii Co. Notary & Apostille Assistant

Book a Washington notary or apostille appointment, get a quote, and track it, via AI assistant.

OtherOther

Responded664 ms13 / 22
AIURION Agentic 3D Printing — San Francisco

SF 3D printing + design workbenches (enclosures, grippers, fixtures, stamping). Quote and order.

OtherOther

Responded667 ms13 / 22
Baldwin Pergolas

Custom fiberglass pergola design guidance, live kit estimates, and exact 3D design links.

OtherOther

Outdated check667 ms13 / 22
ScoreFluent

English exam prep: exam facts, practice questions and writing scores for PTE, IELTS, TOEFL.

OtherOther

Responded669 ms13 / 22
SatelliteQuotes

Measure property from satellite imagery, price 24 trades, and install contractor quote widgets.

OtherOther

Responded669 ms13 / 22
Israel Flower

Send flowers in Israel: browse bouquets, check delivery days, get a quote and place an order in USD.

OtherOther

Responded673 ms13 / 22
RealMarket LATAM Fit

Compare Latin American markets for expansion and calculate market-entry test economics.

OtherOther

Responded677 ms13 / 22
One AI Guide

Read-only approved AI tools, public stacks, guides, and evidence-aware comparisons.

OtherOther

Responded677 ms13 / 22
Nevadaautoquotes

Indicative US auto insurance prices for agents: rating facts only, no PII, consented path to agents.

OtherOther

Responded677 ms13 / 22
Roofer Registry

State-licensed roofing contractors with regulator discipline records and provenance.

OtherOther

Outdated check677 ms13 / 22
Brick NJ Local directory

Businesses in Brick Township, NJ: hours, phones, and booking or quotes where offered.

OtherOther

Responded683 ms13 / 22
ai.aqta/seal

Verify Seal AI decision receipts: signed evidence anyone can check, no account needed.

OtherOther

Responded686 ms13 / 22
ShipNote

Save thank-you postcards as a draft from a registry or guest list. ShipNote prints and mails them.

OtherOther

Responded686 ms13 / 22
dev.coinop/longwatch

You are ephemeral; this remembers. Persist watch_id+key; poll later for what you missed.

OtherOther

Responded687 ms13 / 22
Bidwell Health

Bidwell Health info: UTI, BV, yeast, ED, hair loss, cold sores and herpes care across 11 US states.

OtherOther

Responded691 ms13 / 22
Mercantry Registry

Agent-native registry: 168k+ real restaurants in LA, Hong Kong & Tokyo. Unranked, honest signals.

OtherOther

Responded693 ms13 / 22
Coolours

Turn AI-designed colour palettes into Coolours links, with colour names, CSS and contrast checks

OtherOther

Responded696 ms13 / 22
Call Desk

US and Canada calling rules: number checks, calling hours, recording consent, AI voice disclosure.

OtherOther

Responded697 ms13 / 22
exascale.build

US ISO interconnection queues and cited energy data. 25 free queries, then $49/mo or $490/yr.

OtherOther

Responded698 ms13 / 22
Point Pleasant Local directory

Businesses in Point Pleasant, NJ: hours, phones, and booking or quotes where offered.

OtherOther

Responded699 ms13 / 22

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