These prompts apply to claude.ai and the Claude apps, not to the Claude API. The canonical source for each prompt is
Anthropic’s system prompt release notes. The
archive’s analysis sections are Kalaris Labs commentary, not Anthropic documentation.
Who uses it
- Engineers studying how production system prompts handle refusals, formatting and tool use.
- Safety and alignment researchers comparing dated versions to study drift.
- Educators and journalists who need the original text rather than a paraphrase.