prompt-optimizer

Optimize prompts for Claude's latest models (Opus 4.8, Opus 4.7, Opus 4.6, Sonnet 4.6, Haiku 4.5) using Anthropic's official prompt-engineering guidance. Use when users want to improve, refine, debug, or create prompts or system prompts for Claude. Triggers include requests to optimize/fix/refine a prompt, make a prompt more effective, write a system prompt, improve instruction following, control verbosity or output formatting, tune effort or thinking depth, fix tool-use/agentic/subagent behavior, migrate prompts to a newer Claude model, or migrate away from prefilled responses. Also use when users report Claude being too verbose, ignoring or partially applying instructions, over- or under-using tools, overthinking, overengineering, spawning too many subagents, hallucinating about code, or producing generic "AI slop" output.