prompt-caching

Installation
SKILL.md

Prompt Caching

Cache LLM prompt prefixes for 90% token savings.

Supported Models (2026)

Provider Models
Claude Opus 4.1, Opus 4, Sonnet 4.5, Sonnet 4, Sonnet 3.7, Haiku 4.5, Haiku 3.5, Haiku 3
OpenAI gpt-4o, gpt-4o-mini, o1, o1-mini (automatic caching)

Claude Prompt Caching

def build_cached_messages(
    system_prompt: str,
    few_shot_examples: str | None,
    user_content: str,
    use_extended_cache: bool = False
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Installs
4
GitHub Stars
170
First Seen
Jan 21, 2026