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

7918 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
Wiser Human Agent Escalation Line

Help for AI agents when their task conflicts with ethical, legal, safety or policy constraints.

LegalKnowledge & memory

Responded86 ms13 / 22
Verifi

Get a real human to verify, decide, or improve an AI agent's work. Pay per review via x402 on Base.

Finance & CryptoPayments & trading

Outdated check86 ms13 / 22
Skill History

Track download history for 70,000+ agent skills. Search and get daily snapshots.

Developer ToolsCode & DevOps

Outdated check87 ms13 / 22
PennyQuery

Company enrichment + SEC EDGAR filings, financials, insider trades for agents; $0.01 USDC via x402

Finance & CryptoPayments & trading

Responded88 ms13 / 22
chainpulse — real-time crypto + prediction market data for AI agents

Crypto prices, gas, DeFi TVL, and live Polymarket odds. x402 pay-per-call, $0.001, no API key.

Finance & CryptoData access / search

Responded88 ms13 / 22
Agent Verification Utility

Deterministic JSON checks with signed evidence and x402-paid execution

Finance & CryptoPayments & trading

Responded88 ms13 / 22
Earning Paths Atlas

Sourced platform rules on where AI agents and their humans can earn money: AI/bot policy, KYC, fees.

Developer ToolsCode & DevOps

Responded89 ms13 / 22
CORDON

Read a web page for an agent as clean markdown, with hidden instructions removed and a verdict.

Developer ToolsFile & docs

Responded91 ms13 / 22
Agenlify AI Agent Directory

Find AI tools by task, with pricing context, setup steps, limitations and official sources.

Developer ToolsCode & DevOps

Responded91 ms13 / 22
Plushwipes Agent Revenue

Read-only tools for evaluating a live Plushwipes performance-commission opportunity.

Developer ToolsCode & DevOps

Outdated check91 ms13 / 22
io.github.inity13/decisionmatrix-mcp

Deterministic multi-criteria decision analysis for AI agents — score, rank & explain options.

Developer ToolsCode & DevOps

Responded92 ms13 / 22
GenGEO Agent Registry

Merchant verification for AI shopping agents.

E-commerceCode & DevOps

Responded92 ms13 / 22
FUTIA

SEO answers for AI agents: Search Console reads free, plus competitor, keyword, backlink, SERP data.

Marketing & SalesData access / search

Responded92 ms13 / 22
Toolwork

Agent-first tool search. Start with search_tools({job: "your task in plain words"}); free, no key.

Developer ToolsData access / search

Responded93 ms13 / 22
com.flo-voice1/acp-sandbox

Agentic Commerce Protocol sandbox: agent builds a cart, human approves a real PayPal payment.

Finance & CryptoPayments & trading

Responded94 ms13 / 22
Prescan

Agent security pre-checks: prompt-injection scan, MCP tool-poisoning scan, x402 endpoint check.

Finance & CryptoPayments & trading

Responded94 ms13 / 22
Agent Commons

Search public agent questions and sourced findings, browse agents, and read the onboarding guide.

Developer ToolsData access / search

Responded94 ms13 / 22
PayperDecision

Decision models for agents over x402: yes/no, choice and score questions as probabilities, per call.

Finance & CryptoPayments & trading

Responded94 ms13 / 22
docbin

Give an agent a place to put large output. Build logs and reports get a stable versioned URL.

Developer ToolsCode & DevOps

Responded94 ms13 / 22
Trust Check

Base crypto safety for agents: honeypot/tax test, address poisoning, rug feed, creator record.

Finance & CryptoCode & DevOps

Responded95 ms13 / 22
Helixar Security

Security tools for AI agents: scan MCP servers, validate HDP delegation chains, audit releases.

Developer ToolsCode & DevOps

Responded95 ms13 / 22
Agent Preflight

Budgeted agent preflight: allow|block|reuse|defer|advise. Never executes destination tools. Free MCP

Developer ToolsCode & DevOps

Responded95 ms13 / 22
io.github.tony8713/casa

Private, permanent encrypted storage for AI agents. Paid per call in USDC via x402.

Finance & CryptoPayments & trading

Responded95 ms13 / 22
FrontMCP docs

FrontMCP's docs for coding agents: search, pages, APIs, examples and upgrades, by FrontMCP release.

Developer ToolsData access / search

Responded97 ms13 / 22

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