X402 Audit MCP server
online · 100% uptimeAudits any URL for HTTP 402 x402 V2 compliance, PAYMENT-REQUIRED headers, Bazaar schema, and MCP.
Little public usage data yet
Reviews
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If you have run it, two minutes of your experience saves the next person an afternoon.
X402 Audit tools (2)
write = sends, deletes, buys or postsaudit_x402_and_a2a_endpointFreex402 V2, MCP & A2A Protocol Compliance Auditor (0.01 USDC via x402): Audits any URL for HTTP 402 x402 V2 compliance, PAYMENT-REQUIRED headers, Bazaar schema, and MCP.
get_agent_wallet_statusFreeReturns the calling agent's remaining free quota, USD balance, and total tokens saved.
Public scan report
scanner v0.1.10 · 2026-10-13 · same rubric, same numbers if you re-run it
- –Code scanremote-only server, no package to scann/a
- Live reliabilityremote reachable in 217ms20/20
- Tool poisoning2 tool descriptions checked15/15
- Auth qualityopen endpoint, read-only tools10/15
- Maintenanceno repository listed3/15
- Maintainer identityno repository or website to verify2/10
Findings (1)
- lowNo source repository listed
maint.no-repo
How X402 Audit compares
Against every graded Finance MCP server, from our own scans and uptime checks. Updated after each scan run.
- Safety score
- 67/100
- higher than 30% of 1,765 Finance servers
- Tools
- 2
- the typical Finance server has 8
- Tools that change things
- 0%
- typical: 0%. Fewer write tools means less an agent can break
- Uptime
- 100%
- of our recent checks; the typical remote Finance server answers 100%
- Response time
- 79 ms
- faster than 87% of 1,135 Finance servers
What its tools let an agent do: 2 read
Install X402 Audit in Claude Code, Cursor or VS Code
claude mcp add --transport http x402-audit-mcp https://x402-audit-72343955726.us-central1.run.app/mcp/x402-audit
X402 Audit: common questions
- Is X402 Audit MCP server safe?
- With care: it is graded C, so read the findings first (67/100). Read the X402 Audit safety report
- How do I install X402 Audit?
- It runs remotely at x402-audit-72343955726.us-central1.run.app. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
- Does X402 Audit need an API key?
- Not as far as the registry entry and our scan can tell: no credentials are declared or required.
- Is X402 Audit maintained?
- The latest release is v1.1.1.
- Is X402 Audit up?
- 100% of our last 28 checks got an answer. We check remote servers about four times a day.
- What can I use instead of X402 Audit?
- Servers from other publishers that do the same job: three.ws Agent Payments MCP server, X402 List MCP server and SatGate – Economic Firewall for AI Agents MCP server.
- How does X402 Audit compare with other Finance MCP servers?
- safety score 67/100 (higher than 30% of 1,765 Finance servers); tools 2 (the typical Finance server has 8); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.
Alternatives to X402 Audit
Same job from other publishers: the closest match first, then the best rated.
three.ws Agent PaymentsGoverned x402 payment sessions: pay any endpoint with budget, allowlist & per-tx caps, no key.not reviewedEstablishedB
X402 ListFind and vet x402 payment APIs before your agent pays one: uptime, price, on-chain volume.not reviewedEstablishedA- SatGate – Economic Firewall for AI AgentsBudget, payment and audit controls for AI agent API calls and MCP tool calls.not reviewedEstablishedA
- Pulsefeed X402Verify x402 payment endpoints before an AI agent pays: scam scan, on-chain checks, trust scores.not reviewedGrowingA
- AgentpayNon-custodial x402 payment MCP server for AI agents. Wallets and payments on 17 chains.not reviewedGrowingB
