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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5071 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
Broke It

Read-only search of Broke It's hands-on AI engineering posts and podcast episodes.

MediaData access / search

Responded1581 ms13 / 22
abomio.de

Search German car subscription offers and read their prices and terms.

OtherPayments & trading

Responded1659 ms13 / 22
The Artillerist Intelligence

Search art research, estimate commissions, and prepare company intelligence purchases via x402.

Finance & CryptoData access / search

Responded1692 ms13 / 22
ScorpTech x402 API

112 x402 pay-per-call tools: web data, security/OSINT, SEC and public data, Solana/EVM lookups

Finance & CryptoPayments & trading

Responded1763 ms13 / 22
Mogean POI data store

Mogean US points-of-interest catalog: search and count locations by brand, category and state.

OtherData access / search

Responded1920 ms13 / 22
app.sallim/contract-compass

Korean public procurement law: rule-engine rulings, statutes search, live court precedents

LegalData access / search

Responded1952 ms13 / 22
ALT eSIM

Search & buy travel data eSIMs for 70+ destinations — pay by Stripe link, get the eSIM QR. USD.

Finance & CryptoPayments & trading

Responded1966 ms13 / 22
iWonder

Rights-aware documentary search, film details, and where-to-watch for AI assistants. 100,000+ films.

MediaData access / search

Responded1983 ms13 / 22
Find MCP - Agentage MCP Directory

Search the official MCP registry: 17,000+ servers with trust grades, stars, tools, install config.

Developer ToolsData access / search

Responded2092 ms13 / 22
ScopeMatch

Search accredited testing labs and verify lab scope evidence from ScopeMatch.

OtherData access / search

Responded2119 ms13 / 22
Yamagishi Lab: math-physics papers and separators

Search 1,094 math-physics preprints (JA/EN, CC BY 4.0); prompts for separators and pi-factor roots.

OtherData access / search

Responded2128 ms13 / 22
Catálogo Blucher

Livros da Editora Blucher: busca, edição, preço, ementa / Blucher books: search, prices, syllabi

OtherData access / search

Responded2149 ms13 / 22
Avecindar rental search

Read-only search of Avecindar's public rental listings in Uruguay; unknown costs stay unknown.

OtherData access / search

Responded2216 ms13 / 22
Makore — Events in Israel

Search upcoming public events in Israel by date, city, region or category. Read-only; no API key.

OtherData access / search

Responded2249 ms13 / 22
API Plan Finder

Best API plans + report on 46 conditions for scraping, SERP, search, browser, email, TTS, STT, docs

Developer ToolsCommunication & messaging

Responded2435 ms13 / 22
Reevol Source: supplier search

Search and compare 200,000+ global suppliers by brief, name, HS code or country. Free, no key.

OtherData access / search

Responded2470 ms13 / 22
Uneed

Search uneed.best's curated product directory: launches, rankings, deals and alternatives

OtherData access / search

Responded2518 ms13 / 22
Nock

Brazilian B2B prospecting: buying signals, company and people search, enrichment and outreach.

OtherData access / search

Responded2546 ms13 / 22
Fragrance & Perfume MCP (Noteboxd)

Fragrance & perfume MCP: search fragrances, notes, accords, brands, perfumers, reviews & charts.

ProductivityData access / search

Responded2686 ms13 / 22
HPControl Industrial Catalog

B2B industrial valves, solenoid valves & pneumatic actuators. Search & build a cart.

OtherData access / search

Responded2731 ms13 / 22
Remote Nomad Jobs

Remote jobs you can do from anywhere in the world: search jobs, companies, salaries and perks.

OtherData access / search

Responded3004 ms13 / 22
TEKAEM

Read-only building materials catalog: product search, specs and PLN net/gross prices.

E-commerceData access / search

Responded3138 ms13 / 22
Agent Resource Market

Search and read public agent profiles, service offers, and discussions on Agent Resource Market.

Developer ToolsData access / search

Responded3497 ms13 / 22
com.printinglabs/printing-labs

Corporate gifting: catalog search, bulk GST pricing, quotes, meetings, HR welcome-kit automation.

ProductivityAutomation & workflows

Responded3510 ms13 / 22

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