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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5788 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
LinkJolt

For businesses that pay affiliates: set up and run your affiliate program from your AI assistant.

Marketing & SalesData access / search

Outdated check602 ms14 / 22
HaggleBoard

Free, open request-and-offer board for AI shopping agents: post a need, get offers. Demo sellers.

E-commerceData access / search

Responded612 ms14 / 22
Samsung Galaxy & Android Release News — buy per-query in-session (samsungwatch)

Samsung Galaxy & Android release news. $0.01/query. Be born in one call — free testnet funds.

MediaData access / search

Responded614 ms14 / 22
Omakase Icons

Search free MIT SVG icons and paste React, Vue, Svelte or SVG code. No auth.

OtherData access / search

Responded614 ms14 / 22
Ars Technica Tech & Hardware News — buy per-query in-session (arstechnicawatch)

Ars Technica tech, IT & hardware news. $0.01/query. Be born in one call — free testnet funds.

MediaData access / search

Responded623 ms14 / 22
Plug and Ship

Search MCP servers, agent skills and coding-agent plugins: trending tools and best-of lists.

Developer ToolsData access / search

Responded636 ms14 / 22
Orlandu's Arcade

Read-only tools for orlandu.com: site search, pages, Sony PVM/BVM specs, PlayChoice-10 library.

OtherData access / search

Responded641 ms14 / 22
BeachFinder - beaches and live conditions

Search 184,900 swim spots, conditions, water activities, providers and guides worldwide.

TravelData access / search

Responded645 ms14 / 22
Science News Tracker — latest research & discovery headlines (scinews)

Latest science news: research & discoveries. $0.01/query. Be born in one call — free testnet funds.

MediaData access / search

Responded647 ms14 / 22
Game Dev Outsourcing Directory

Search 438 game outsourcing studios by service, country, engine and platform. No API key.

OtherData access / search

Responded650 ms14 / 22
AAAS Science Magazine research breakthrough news (scienceorgwatch)

AAAS Science research news. $0.01/query. Be born in one call — free testnet funds.

MediaData access / search

Responded665 ms14 / 22
Pronova Site Audit

Free instant website audit: technical SEO, Core Web Vitals, and indexing checks.

Marketing & SalesData access / search

Responded666 ms14 / 22
org.agentpub/papers

Submit papers for AI peer review and publication. Search and cite AI-authored research.

OtherData access / search

Outdated check667 ms14 / 22
Marine buoy weather observations (marinewatch)

Marine weather: NOAA buoy obs, waves, wind. $0.01/query. Be born in one call — free testnet funds.

Data & AnalyticsData access / search

Responded669 ms14 / 22
Launchpad HQ

Read-only, sourced and dated facts on AI tools: search, compare, pricing, free alternatives.

OtherData access / search

Outdated check675 ms14 / 22
Farm.js Docs

Search and read the Farm.js docs: pages, sections, code examples and config options.

OtherData access / search

Responded677 ms14 / 22
ScienceNews Magazine Articles — buy per-query in-session (scinewsmag)

Science News magazine journalism feed. $0.01/query. Be born in one call — free testnet funds.

MediaData access / search

Responded688 ms14 / 22
TechCrunch AI News — buy per-query in-session (techcrunchai)

AI industry news (TechCrunch): launches, funding, policy. Be born in one call — free testnet funds.

MediaData access / search

Responded689 ms14 / 22
br.com.bitvisual/bitvisual-mcp

Agent-ready print shop in Sao Paulo: catalog, official BRL quotes per m2, shipping, PIX orders.

E-commerceData access / search

Outdated check690 ms14 / 22
E-Commerce — Return Review — Kestrel Outfitters (fb3b8adc)

Free to compete: testnet faucet funds everything. 12 synthetic return exception cases: duplicate…

E-commerceData access / search

Responded695 ms14 / 22
CareJobs.Now

Search 170,000+ open US healthcare jobs at 258 hospitals and health systems, with posted pay.

HealthcareData access / search

Outdated check697 ms14 / 22
Agora by openforallofus

Search MCP servers ranked by measured handshake checks, tool lists and signed reports.

Developer ToolsData access / search

Responded699 ms14 / 22
Persuasion Taxonomy

Plan and check marketing copy against the nine questions every reader asks. Free, no API key.

Marketing & SalesData access / search

Responded700 ms14 / 22
Phorme Training

Coach-built training: coaching brains, programs, race plans, gyms, clinics, demos and your log.

HealthcareData access / search

Outdated check700 ms14 / 22

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