402MCP.org — HTTP 402 & Agent Payment Registry
Decode HTTP 402 challenges (L402, x402, MPP) and choose agent payment rails from an open registry.
likely compatible
Answered an MCP initialize with no credentials; use auth 'None'.
Rule R2a · what this means · Not tested in Copilot Studio.
| Registry name | org.402mcp/registry |
| Endpoint used for verdict | https://402mcp.org/api/v1/mcp |
| Transports | streamable-http |
| Auth (Copilot Studio setting) | None (open) |
| Last endpoint check | 2026-10-20T18:18:14Z · initialize OK |
| GitHub | 402MCP/402mcp |
| Website | https://402mcp.org |
| Version | 1.1.1 |
| Registry updated | 2026-10-16 |
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Is this wrong or out of date? Email us. Data built 2026-10-20.