generated: '2026-07-21'
method: searched
source: https://docs.lightcone.ai/guides/errors + https://docs.lightcone.ai/guides/changelog + https://docs.lightcone.ai/guides/production
standards:
  - id: rfc7807-problem-details
    conforms: true
    evidence: HTTP errors return RFC 7807 problem documents with Content-Type application/problem+json (docs cite RFC 7807 explicitly)
  - id: rfc8594-sunset-header
    conforms: true
    evidence: Deprecated fields/endpoints receive Deprecation and Sunset response headers announcing removal dates
  - id: idempotency
    conforms: true
    evidence: idempotency_key on POST /agent/tasks deduplicates retried task starts (reused flag)
  - id: sse-server-sent-events
    conforms: true
    evidence: Task streams are SSE with standard Last-Event-ID resumption and ?from=<seq> replay
  - id: openai-api-compatibility
    conforms: true
    evidence: /chat/completions and /v1/responses are OpenAI drop-in compatible (use the OpenAI SDK with a Lightcone base_url); OpenAI-style error bodies
  - id: anthropic-messages-compatibility
    conforms: true
    evidence: Anthropic-compatible endpoints return Anthropic-style error bodies
  - id: mcp
    conforms: true
    evidence: Official MCP server @tzafon/lightcone-mcp (stdio + HTTP transports)
  - id: oauth2
    conforms: false
    evidence: Authentication is bearer API keys (sk_ prefix); no OAuth 2.0 flows are documented
  - id: rfc9116-security-txt
    conforms: false
    evidence: /.well-known/security.txt probes returned 404 on tzafon.ai, lightcone.ai, and docs.lightcone.ai (2026-07-21)
  - id: pagination
    conforms: false
    evidence: No pagination conventions documented; list endpoints return full arrays