RFC 7591 dynamic client registration. MCP clients such as Claude Desktop call this automatically when a connector is added, so only the server URL is required. Returns a public client_id used at /auth/mcp/authorize and /api/mcp/oauth/token. Rate limited per IP.
/api/mcp/oauth/registerDisplay name shown on the consent screen (max 200 characters)
1 to 10 callback URLs. Must be https, or loopback http (localhost, 127.0.0.1, [::1]), with no fragment
Only "none" (public client) is supported
"1" = Success, "0" = Failure.
The response data payload.
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