principle-make-operations-idempotent
Apply when designing commands, lifecycle steps, or processing loops that run amid crashes, restarts, and retries. Converge to the same end state regardless of partial prior runs.
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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/poteto/plugins --skill principle-make-operations-idempotent- 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 principle-make-operations-idempotent 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.
Make Operations Idempotent
Design operations so they converge to the correct state regardless of how many times they run or where they start from. Every state-mutating operation should answer: "What happens if this runs twice? What happens if the previous run crashed halfway?"
Why: Commands, lifecycle operations, and processing loops run where crashes, restarts, and retries are normal. If partial state changes the next run's outcome, every restart becomes a debugging session.
The pattern:
- Convergent startup: scan for existing state, clean stale artifacts, adopt live sessions
- Content-based cleanup: compare by content equivalence, not creation order
- Self-healing locks: use PID-based stale lock detection
- Idempotent scheduling: failed work respawns cleanly, fresh input regenerated after each cycle
The test:
- What happens if this runs twice in a row?
- What happens if the previous run crashed at every possible point?
- Does re-execution converge to the same end state?
If any answer is "it depends on what state was left behind," the operation needs a reconciliation step.
FAQ
What does the principle-make-operations-idempotent skill do?
Apply when designing commands, lifecycle steps, or processing loops that run amid crashes, restarts, and retries. Converge to the same end state regardless of partial prior runs.
How do I install principle-make-operations-idempotent?
Run npx skills add https://github.com/poteto/plugins --skill principle-make-operations-idempotent 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/principle-make-operations-idempotent/ (personal) or .claude/skills/principle-make-operations-idempotent/ (project).
Which AI agents can use principle-make-operations-idempotent?
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 principle-make-operations-idempotent 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 principle-make-operations-idempotent?
It is published by poteto in poteto/plugins. It has 87 recorded installs.
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