MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

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.

Connect your agent

40673 servers

Ordered by checks passed
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
PentestCompare: pentest provider data

Sourced data on 66 penetration testing providers: scope, delivery, published prices, retests.

SecurityMonitoring & observability

Responded89 ms15 / 22
MotionSpec — web animation accessibility MCP

Web animation accessibility MCP: GSAP, static CSS checks, prefers-reduced-motion, WCAG 2.2.2/2.3.3.

MediaCode & DevOps

Responded90 ms15 / 22
Restaurant Health Inspections

Restaurant health inspection grades and violations for 20 US, UK, Canadian and French locations.

Developer ToolsCode & DevOps

Responded90 ms15 / 22
CometChat Docs

CometChat docs search + implementation bundles: add chat, voice, video & moderation to your app.

MediaCode & DevOps

Responded90 ms15 / 22
Silicon Floor

AI & chip stocks for agents: who owns, buys, sells, lends — pre-IPOs too, straight from SEC filings.

Finance & CryptoPayments & trading

Responded90 ms15 / 22
OperatorNest tools

Calculate API and subscription costs, meeting time zones, recurring schedules and cron matches.

ProductivityPayments & trading

Responded90 ms15 / 22
EuroA11y

Accessibility audit of a web page (WCAG 2.2 AA, RGAA) and European Accessibility Act scope check

OtherOther

Responded90 ms15 / 22
Frontier Signal

Query verified AI data-broker buyer programmes and demand signals.

Developer ToolsCode & DevOps

Responded91 ms15 / 22
AIVideo.day

Make 2D videos and 3D films from a written brief, in your AIVideo.day account.

MediaAI / LLM tooling

Responded91 ms15 / 22
Present Picker

Gift recommendations matched to the person, the occasion, and your budget.

OtherOther

Responded91 ms15 / 22
esimgomobile — Travel eSIM Tools

Travel eSIM plan catalog, coverage and trip-planning tools for agents and developers.

TravelData access / search

Responded91 ms15 / 22
Nonobench

An open-source benchmark of how well LLMs solve nonogram puzzles, from 5x5 to 20x20.

Developer ToolsCode & DevOps

Responded92 ms15 / 22
Signal Desk paid tools

x402-paid tools: render pages, host files, delayed callbacks, pump.fun launch feed, trend radar

Developer ToolsCode & DevOps

Responded92 ms15 / 22
jotview

Turn markdown and Mermaid diagrams into rendered jotbins.com links, and read them back.

Developer ToolsFile & docs

Responded92 ms15 / 22
Chain of Thought podcast archive

Search and cite Chain of Thought podcast transcripts and episodes.

MediaCode & DevOps

Responded92 ms15 / 22
Thailand Fun Experiences

Phuket activity search with live weather, sea state, transfer times and party-fit filtering.

Data & AnalyticsData access / search

Responded92 ms15 / 22
AgentEconomy Compliance API

Paid KYC, AML, and regulatory risk assessment over MCP via x402 USDC micropayments on Base.

Finance & CryptoPayments & trading

Responded93 ms15 / 22
Currensor

Live currency conversion for 166 currencies, shown as an interactive in-chat card. No sign-in.

Finance & CryptoCode & DevOps

Responded93 ms15 / 22
Guild Wars 1 Build Compiler

GW1 build compiler: skill data, template code encode/decode, validation, hero roster. Read-only.

Developer ToolsCode & DevOps

Responded93 ms15 / 22
Chainflip Broker as a Service

Native cross-chain swaps: Bitcoin, Ethereum, Solana, Polkadot, Tron, Arbitrum. Quote, swap, track.

Finance & CryptoPayments & trading

Responded93 ms15 / 22
The Roofing List

Find checked US roofers, siding and gutter contractors by city. Read-only, no login.

Developer ToolsCode & DevOps

Responded94 ms15 / 22
ROAS Expert free AI SEO audit

Free AI SEO audit, product page check, agent readiness check and site comparison. No key.

Marketing & SalesData access / search

Responded94 ms15 / 22
Catalunya 2022

Cerca de text complet al pla Catalunya 2022 - RESET: 3 àmbits, 12 objectius, 91 accions. CA/EN/ES.

OtherOther

Responded94 ms15 / 22
VegvisAI guide

Open guide to businesses in any country, plus Norwegian public services and parties. Never ranks.

OtherOther

Responded94 ms15 / 22

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