Tighten and deduplicate prompt and CODEX content in Markdown files.
npx skills add https://github.com/xaionaro/.config-codex --skill harness-tuning
Please help me install this Agent Skill. Skill: harness-tuning Source: https://github.com/xaionaro/.config-codex/tree/main/skills/harness-tuning Command: npx skills add https://github.com/xaionaro/.config-codex --skill harness-tuning
It helps teams write, review, shorten, tighten, deduplicate, or compress any skill file, system prompt, subagent prompt, or CODEX.md — including when asked to "fix" or "improve" a prompt.
Paste your prompt file and ask Harness Tuning to produce a tighter, deduplicated version.
High-intent search queries and answers about installing and using this skill.
To reduce prompt length without changing intent, you can tighten and deduplicate prompt content to maximize clarity and minimize token waste. This process removes redundant wording and overlapping rules while preserving the original meaning.
The best way to deduplicate overlapping rules in a SKILL.md file is to apply a tightening process that enforces consistent style and removes redundant guidelines. This ensures consistency across your skill files and system prompts without losing meaning.
Yes, you can compress a long policy into clear, imperative rules without losing meaning. By tightening the prompt content and deduplicating overlapping instructions, you transform verbose policies into concise, executable guidance for your system or subagent prompts.
Tightening a system prompt requires a YAML frontmatter with name and description fields, using the Markdown body as executable guidance. Optional resources can be stored in scripts, references, and assets directories to support the automation of the prompt tightening process.
You should not use prompt compression on a CODEX.md file when the original verbose context contains critical nuances or edge-case examples that cannot be converted into clear, imperative rules without losing essential meaning or altering the intended behavior.
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