
backend-api-patterns
Rules for designing and implementing HTTP APIs and backend services. Use when adding endpoints, auth, database access, caching, or background work to a service.
- Installs
- 70
- Last 24h
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- Trending rank
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- Security
- Not audited
Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/duyet/codex-claude-plugins --skill backend-api-patterns- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads backend-api-patterns automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
SKILL.md
The instructions your agent reads when the skill is triggered.
Backend API patterns
Follow the repo's framework, ORM, and error conventions first. Constraints that are easy to miss:
- Validate every input at the edge with a schema. One error envelope per service, no stack traces or raw DB errors.
- Check authorization per resource (does this user own this row), not only per route.
- Parameterize all SQL, including allowlisting
ORDER BYcolumns. - Paginate lists from day one and cap page size server-side.
- Retryable mutations take an idempotency key. Background jobs are safe to run twice.
- No external calls inside a DB transaction. Use an outbox or run after commit.
- Migrations are forward-only and safe under rolling deploys. Never rename or drop a column in the release that stops using it.
- Every outbound call has a timeout. Retry only idempotent calls.
- Cache only after measuring, with a named invalidation trigger, a TTL, and a fallback to the source.
- Never log credentials, tokens, or personal data in request bodies.
FAQ
What does the backend-api-patterns skill do?
Rules for designing and implementing HTTP APIs and backend services. Use when adding endpoints, auth, database access, caching, or background work to a service.
How do I install backend-api-patterns?
Run npx skills add https://github.com/duyet/codex-claude-plugins --skill backend-api-patterns in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/backend-api-patterns/ (personal) or .claude/skills/backend-api-patterns/ (project).
Which AI agents can use backend-api-patterns?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is backend-api-patterns safe to install?
No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.
Who maintains backend-api-patterns?
It is published by duyet in duyet/codex-claude-plugins. It has 70 recorded installs.
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