Harness-engineering api-status-codes

name: api-status-codes version: '1.0.0' description: Status code selection by scenario, common misuses (200 for errors, 404 vs 403, 400 vs 422), and response contract design stability: static cognitive_mode: advisory-guide type: knowledge tier: 3 triggers:

• manual platforms:
• claude-code
• gemini-cli
• cursor
• codex tools: [] paths: [] related_skills:
• api-http-methods
• api-error-contracts
• api-problem-details-rfc
• api-rest-maturity-model stack_signals:
• rest
• api
• http keywords:
• status-codes
• '200'
• '201'
• '204'
• '400'
• '401'
• '403'
• '404'
• '409'
• '422'
• '429'
• '500'
• '503' metadata: author: community upstream: developer.mozilla.org/en-US/docs/Web/HTTP/Status state: persistent: false files: [] depends_on: []