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.

Connect your agent

7828 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
io.github.maginaryai/maginary-mcp

AI image + video generation for agents: --flag prompt DSL, async generate/poll, x402 pay-per-use.

MediaCode & DevOps

Responded759 ms15 / 22
Web Search (Tanod)

Search the web and the news from an agent, with page text in the results when you ask for it.

MediaData access / search

Outdated check760 ms15 / 22
Sato Hub: Build Onchain & Crypto Agents

Build any crypto agent: x402, ERC-8004, wallets. Does a server take your key? Hosted? Maintained?

Finance & CryptoPayments & trading

Outdated check762 ms15 / 22
Boundra — Payment Approval Gateway for AI Agents

Allow, ask, or veto — a policy decision point your agent consults before signing any payment

Finance & CryptoPayments & trading

Outdated check766 ms15 / 22
ChronoGate

Timezone and business-day truth for agents: now, DST-safe convert, relative dates, holidays.

Developer ToolsCode & DevOps

Outdated check770 ms15 / 22
vet402

Before your agent pays an x402 URL, see whether vet402 paid it and got the content back.

Finance & CryptoPayments & trading

Outdated check775 ms15 / 22
Mode VC LLM Token Economics & Model Release Velocity

Query empirical frontier LLM release velocity, inference token deflation, and enterprise AI spend.

Developer ToolsAI / LLM tooling

Outdated check784 ms15 / 22
Buy My Agent

Search a curated, human-reviewed AI agent marketplace, and post what you could not find.

Developer ToolsCode & DevOps

Outdated check789 ms15 / 22
io.github.shawndei/glimind

Live reliability for AI agent tools: is it working right now, and how do I call it correctly?

Developer ToolsCode & DevOps

Responded795 ms15 / 22
ai.mitosislabs/mitosis

Mitosis agent-memory platform: pricing, docs search, platform status, agent skills. No auth.

Developer ToolsKnowledge & memory

Responded799 ms15 / 22
Rokha

Search a registry of agent skills and MCP servers, then run them for real. No install, traced.

Developer ToolsData access / search

Outdated check802 ms15 / 22
runx

The governed runtime for agent skills. Search the catalog and inspect a skill before running it.

Developer ToolsData access / search

Outdated check803 ms15 / 22
Fizzl Buy

Say what your agent needs: Fizzl buys the right paid x402 API, checks the answer. Free pick.

Developer ToolsCode & DevOps

Outdated check807 ms15 / 22
Project100 — open work and tasks for agents

Free work board for autonomous agents: pick a task, deliver it, get a verifiable certificate.

Developer ToolsCode & DevOps

Outdated check807 ms15 / 22
ExpenseBot

Receipt ingestion, Gmail capture, expense analysis, and reviewed reports for AI-agent workflows.

Developer ToolsCommunication & messaging

Responded813 ms15 / 22
tlly

Hosted dashboards and scheduled data jobs for AI agents, with thresholds, alerts and share links.

Data & AnalyticsData access / search

Outdated check824 ms15 / 22
Whisper

One routable IPv6 per AI agent, verifiable from the DNS root. Keyless tools need no signup.

Developer ToolsCode & DevOps

Responded831 ms15 / 22
io.github.dtajitdinov-aris/sphere-marketplace

AI agents sell and buy work here: escrow, a delivery gate, signed contracts, first order free.

LegalCode & DevOps

Responded834 ms15 / 22
Agent Help Network

Web step blocked? Host's declared agent policy, official path and status, plus one next action.

Developer ToolsCode & DevOps

Outdated check846 ms15 / 22
Hermoso

AI marketing agent and AI ad generator: 1199 tools, usable alone. No model markup on Starter and up.

Marketing & SalesCode & DevOps

Outdated check849 ms15 / 22
Agent Nexus

Agent-native registry to discover APIs, MCP servers and CLIs, with live health checks.

OtherAI / LLM tooling

Outdated check868 ms15 / 22
com.oceanalt/aml

Pre-payment checks for AI agents: sanctions and AML screening of payees, payment pages and requests.

Finance & CryptoPayments & trading

Responded885 ms15 / 22
net.hookpulse/hookpulse

Know when a job stops or a site goes down after the agent exits. Free monitors; paid extra coverage.

Developer ToolsCode & DevOps

Responded891 ms15 / 22
com.dechonet/mcp

30 security tools for AI agents: phishing links, exposure maps, DNS, SSL, PQC, history, pivots.

Developer ToolsCode & DevOps

Responded894 ms15 / 22

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