MCP
x402 Toolbox — pay-per-call x402 mechanics lab
lab.paidapis.net
36 / 100
20+ small real x402 endpoints on Base mainnet USDC, each demonstrating a distinct payment mechanic: oracle, auction, escrow, invoicing, task-runner, prediction market, and more.
Scanned 42d ago · 1 views · Open site
Checks
- HTTPS5/5
Served over HTTPS.
- llms.txt0/12
No /llms.txt.
Fix: Publish https://lab.paidapis.net/llms.txt with a short description, key URLs, and how an agent should call you.
- Agent manifest0/15
No /.well-known/ai-agent.json.
Fix: Publish https://lab.paidapis.net/.well-known/ai-agent.json with name, description, capabilities, contact, auth, and pricing.
- A2A agent card0/12
No /.well-known/agent-card.json.
Fix: Publish https://lab.paidapis.net/.well-known/agent-card.json with name, url, and skills or capabilities.
- MCP endpoint0/12
No MCP document or endpoint found.
Fix: Publish /.well-known/mcp.json (or an MCP resource metadata document) pointing at your MCP server.
- OpenAPI spec12/12
Valid OpenAPI/Swagger document.
- Named capabilities8/8
25 named capabilities (25 with descriptions).
- I/O schemas8/8
Found 40 schema signals.
- Machine-readable pricing0/8
No machine-readable pricing.
Fix: Add a pricing object to ai-agent.json, or publish /pricing.json with currency and product amounts.
- Auth, contact, rate limits3/8
Declared: contact.
Fix: Declare contact, auth, and rateLimit in ai-agent.json (and OpenAPI info.contact / securitySchemes).
6 checks short of a perfect 100. The fix lines above are the report — what to publish, at which path.
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