Prompt Optimizer
Reduces LLM API costs 50-90% by compressing prompts, selecting the right model tier, and applying caching and batching strategies with measurable ROI calculations. Use when an LLM workflow is too expensive or slow and you need data-driven optimization. Trigger with "optimize this prompt", "reduce my LLM costs".
By jeremylongshore
How to install
Skill (folder)A Skill is a folder with a SKILL.md file that gives Claude extra instructions for a task.
Claude Code (project or global):
# per-project mkdir -p .claude/skills/prompt-optimizer # ...or for all projects mkdir -p ~/.claude/skills/prompt-optimizer # copy SKILL.md and any supporting files into that folder
Claude.ai / Claude Desktop:
Customize → Skills → “+” → Browse skills → Install. (Installed skills are view-only; download a copy to customise.)
Claude auto-detects skills in that folder — no restart needed.
Exact steps can vary per project — always double-check the original source. New to this? Read the full install guide →
Source
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