generated: '2026-07-20'
method: searched
source: >-
  auth.raindrop.ai OpenID configuration, raindrop.ai/docs, and the raindrop-rust
  SDK (OTLP-style traces).
standards:
- id: oauth2
  conforms: true
  evidence: >-
    Authorization Code grant with PKCE (S256) exposed at
    auth.raindrop.ai/propelauth/oauth/authorize; MCP server supports OAuth 2.1.
- id: oidc
  conforms: true
  evidence: >-
    Valid OpenID Connect discovery document at
    auth.raindrop.ai/.well-known/openid-configuration (RS256, scopes openid/email/profile).
- id: opentelemetry
  conforms: partial
  evidence: >-
    Rust SDK advertises "OTLP-style traces"; Raindrop ingests spans/tool calls,
    but a formal OTLP endpoint is not documented as a public standard surface.
- id: rfc9457
  conforms: false
  evidence: >-
    Errors use a custom { error: { code, message } } envelope, not
    application/problem+json.
- id: idempotency
  conforms: false
  evidence: No idempotency key/header documented for ingest.