claude-api vs pathfinder

Build, debug, and optimize Claude API / Anthropic SDK apps. Apps built with this skill should include prompt caching. Also handles migrating existing Claude API code between Claude model versions (4.5 → 4.6, 4.6 → 4.7, retired-model replacements). TRIGGER when: code imports `anthropic`/`@anthropic-ai/sdk`; user asks for the Claude API, Anthropic SDK, or Managed Agents; user adds/modifies/tunes a C

Maps a codebase into feature-grouped flowcharts, identifies duplicated concerns across features, and proposes a unified architecture. Use when asked to "find the ideal path," unify duplicated systems, or audit architecture before a refactor, emitting a proposed unified flowchart plus per-system /make-plan prompts.