idempotent-tool-execution

Classify tool operations by idempotency and implement safe retry mechanisms.

Updated Aug 23, 2026

Search Tags:#design patterns #safety #idempotency #retry #side effects #tool execution

Ready to run

npx skills add https://github.com/msageha/maestro_v2 --skill idempotent-tool-execution

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: idempotent-tool-execution
Source: https://github.com/msageha/maestro_v2/tree/main/templates/skills/worker/idempotent-tool-execution
Command: npx skills add https://github.com/msageha/maestro_v2 --skill idempotent-tool-execution

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill addresses the critical need for ensuring that tool executions are safe, repeatable, and do not cause unintended side effects, especially when retries are necessary.

Core Features & Use Cases

Idempotency Classification: Categorizes tool operations into naturally idempotent, conditionally idempotent, and non-idempotent to guide retry strategies.
Side-Effect Management: Provides a flow for checking and managing the scope and impact of tool execution side effects.
Safe Retry Patterns: Offers specific patterns for file operations and command executions to ensure they can be safely retried.
Dry-Run Implementation: Guides the implementation of dry-run mechanisms for destructive operations.
Retry Safety Judgement: Defines criteria for determining if an operation is retry_safe based on its idempotency and side effects.

Quick Start

Use the idempotent-tool-execution skill to ensure that file write operations are naturally idempotent.

Frequently Asked Questions about idempotent-tool-execution

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I make command-line tool executions safe for retries?▼

Safe command-line tool executions require classifying operations into naturally, conditionally, and non-idempotent categories to apply the correct retry patterns. This prevents unintended side effects during repeated script runs.

What is idempotency in software operations?▼

Idempotency in software operations means an action produces the same result and state regardless of how many times it is executed. Categorizing operations by idempotency guides safe retry mechanisms and side-effect management.

How do I manage side effects when running file system operations?▼

Managing side effects in file system operations involves analyzing their scope and impact before execution. Implementing dry-run mechanisms for destructive commands ensures actions are safe and repeatable.

What is the best way to implement safe retry patterns for scripts?▼

The best way to implement safe retry patterns is to judge retry safety based on operation idempotency and side effects. Using specific patterns for file writes and command executions ensures robust task execution.

When do I need dry-run mechanisms for tool execution?▼

Dry-run mechanisms for tool execution are needed when performing destructive operations that are non-idempotent. They allow you to verify command behavior and side effects without altering the actual file system state.