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100
MCP live MCP 2025-11-25 streamable-http

x402 Preflight

io.github.chico10117/x402-preflight

Inspect and validate an x402 endpoint before an autonomous agent spends USDC.

Watch this dependency Share evidence report
Uptime
100.0%
5 direct probes · 30d
Response
584ms
last probe
Tools
3
callable
Resources
0
readable
Prompts
0
available
Primary URL
https://x402.chikocorp.com/mcp
Score: 100/100
Handshake verified by our own probe.
pass Answers the MCP handshake 50/50
The handshake and the list calls succeeded on the primary URL.
pass Lists tools, resources or prompts 30/30
3 tools, 0 resources, 0 prompts returned.
pass 3 or more catalogue items 10/10
3 items in total; 3 or more earns these points.
pass Describes itself 10/10
77 characters; more than 30 earns these points.

Tools · 3

inspect_x402_endpoint

Free endpoint check for API developers launching or debugging x402. Inspect your live payment challenge and caller-selected comparison policy without sending payment credentials. ALLOW and BLOCK are p…

audit_x402_endpoint

Technical audit for API developers launching or debugging x402. Returns deeper read-only evidence of payment configuration, schemas, redirects, CORS, cache behavior, OpenAPI, llms.txt, agent metadata,…

order_x402_remediation

Diagnostic report for API developers launching or debugging x402. An explicitly authorized x402 purchase creates a durable order for asynchronous findings, evidence, and prioritized fix recommendation…

How to use

Claude Desktop or claude.ai: add a custom connector (Customize → Connectors; on Team and Enterprise plans an owner adds it under Organization settings → Connectors) with this server URL: https://x402.chikocorp.com/mcp

Cursor or Cline: add to your MCP config:

{
  "mcpServers": {
    "x402_preflight": {
      "url": "https://x402.chikocorp.com/mcp",
      "transport": "streamable-http"
    }
  }
}