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Claude Code Prompt Improvement Tool

·2026.05.29 21:16

Key point

A plugin that resolves prompt ambiguity in Claude Code and optimizes model costs has been updated.

Details

Claude Code Prompt Improver v0.5.4 has been released. This plugin provides functionality that automatically detects and improves ambiguous user prompts.

Key Features and Updates:

  • Prompt Improvement Skill: When a prompt is ambiguous, the UserPromptSubmit hook activates to investigate the codebase and ask the user questions to elicit a clearer prompt. This process uses approximately 189 additional tokens per prompt.
  • Model Routing Guide (New in v0.5.4): Injects a model routing guide when dynamic workflow requests are made, supporting efficient multi-agent execution.
    • Session Model: Focused use on Planning, Strategy, and Orchestration.
    • Small Model: Routed to actual Implementation steps, reducing costs.
  • User Review: Provides a step where Plan mode runs first before execution, allowing users to review the plan.

Installation: claude plugin marketplace add severity1/severity1-marketplace claude plugin install prompt-improver@severity1-marketplace

prompt-engineeringopen-sourceclaude-codeai-developer-toolsllm-optimization
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