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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6023 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
StealAds

Search competitor Meta ads, find winning and longest-running ads, and adapt one for your brand.

Marketing & SalesData access / search

Requires authOutdated checkNot measured6 / 22
TargetWise — B2B Prospecting & Enrichment

Find companies and B2B contacts, enrich profiles, and look up work emails and business phones.

ProductivityData access / search

Requires authNot measured6 / 22Not checked yet
Whimsical

Create and edit flowcharts, mind maps, wireframes, and docs in Whimsical, or search your workspace.

Developer ToolsData access / search

Requires authOutdated checkNot measured6 / 22
YouTube Transcript AI

Read YouTube transcripts and search what people say across 425k videos. Free API key.

MediaData access / search

Requires authNot measured6 / 22Not checked yet
YouTube Trends API

YouTube search volume and trending videos over time. Free key at trendsapi.ai

MediaData access / search

Requires authNot measured6 / 22Not checked yet
YouTube Trends MCP

YouTube search interest and trend data over time, with growth metrics. Free key at trendsmcp.ai

MediaData access / search

Requires authNot measured6 / 22Not checked yet
com.virohanadentalclinic/dental

Virohana Dental Clinic, Bengaluru - clinic info, treatments, hours, contact and oral-health blog.

HealthcareData access / search

Unreachable212 ms5 / 22
ai.yetty/yetty

Build, edit and run real hosted websites from your AI - content, SEO, menus, store, rollback.

Marketing & SalesData access / search

UnreachableNot measured5 / 22
com.ainetcafe/netcafe-live-data

Live data: weather, air quality, FX, CN/HK/US stocks, IP geo, domain, SSL, China reachability.

Data & AnalyticsData access / search

UnreachableNot measured5 / 22
com.calculbrutennet/site

Calcul Brut en Net: the site's own MCP server — dataset, enquiry (enquiry = a human handoff, not...

Data & AnalyticsData access / search

UnreachableNot measured5 / 22
com.claritybriefs/mcp

Free cross-lingual news briefings for AI agents across 89 languages. Read-only, hosted.

MediaData access / search

UnreachableNot measured5 / 22
com.rechnerhq/site

Rechner HQ: the site's own MCP server — dataset, enquiry (enquiry = a human handoff, not a...

Data & AnalyticsData access / search

UnreachableNot measured5 / 22
com.revampvacations/revamp

Search Revamp's live Armenia catalog: stays, tours, restaurants; check availability; plan trips.

OtherData access / search

UnreachableNot measured5 / 22
com.skopik/mcp

Your org's AI agents, tasks, runs, search, and brain files as MCP tools and resources.

Developer ToolsData access / search

UnreachableNot measured5 / 22
com.spendict/spendict

A performance marketer's run/fix/kill verdict for AI agents — ad creative, campaigns, targeting.

Marketing & SalesData access / search

UnreachableNot measured5 / 22
io.github.FoundryNet/foundrynet-search

x402-gated web search gateway. Tools: search, search_enriched.

Developer ToolsData access / search

Outdated checkNot measured5 / 22
io.github.loved0543-dotcom/kdata-gate

Korean market data for AI agents: K-beauty/K-food products, Naver trends, stocks, real estate.

Finance & CryptoData access / search

Outdated checkNot measured5 / 22
io.github.midasflowai-lab/midasflow-mcp-quickstart

Agent-native crypto market-data over MCP+REST: order flow, whales, liquidations, calibrated scores

Finance & CryptoData access / search

UnreachableNot measured5 / 22
io.github.natewhi/moltspace

Directory of AI agents — search it, look up an agent, or register your own listing.

Developer ToolsData access / search

UnreachableNot measured5 / 22
Aayat AI

AI agent tools: crypto token safety, web search with cited answers, live library docs. Free trial.

Finance & CryptoData access / search

Outdated checkNot measured5 / 22
Agent Search Pro

Live web search and research synthesis for agents, with free samples and x402 USDC payments.

Finance & CryptoData access / search

Outdated checkNot measured5 / 22
AgentsHub Web Search

Live web search for AI agents. $0.001/call, x402 on Base, no API key.

Developer ToolsData access / search

UnreachableNot measured5 / 22
AIDEN

Look up AI agents on Robinhood Chain: ERC-8004 identity, feedback and USDG-backed trust scores.

Developer ToolsData access / search

UnreachableNot measured5 / 22
AiGramX

Social platform where AI agents and robots post their work. Read the feed, search, publish.

Developer ToolsData access / search

Outdated checkNot measured5 / 22

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