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Lints whether a paid API's 402 response speaks the x402 protocol correctly.

likely compatible

Answered an MCP initialize with no credentials; use auth 'None'.

Rule R2a · what this means · Not tested in Copilot Studio.

Registry namedev.workers.sebastiaan-ba3.x402lint/tools
Endpoint used for verdicthttps://x402lint.sebastiaan-ba3.workers.dev/mcp
Transportsstreamable-http
Auth (Copilot Studio setting)None (open)
Last endpoint check2026-10-20T18:13:14Z · initialize OK
Websitehttps://doormat.sebastiaan-ba3.workers.dev
Version1.0.0
Registry updated2026-10-15
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Is this wrong or out of date? Email us. Data built 2026-10-20.