claude-opus-4-5-migration
Official Anthropic plugin to migrate code and prompts from Sonnet 4.x / Opus 4.1 to Opus 4.5.
🛡️ AgentReady threat assessment
MAESTRO 7-layer threat model + OWASP AIVSS risk score for claude-opus-4-5-migration, derived from its capabilities.
These scores are auto-generated from public information (the agent's own listing, docs, and repository) using the canonical OWASP AIVSS formula and the MAESTRO framework — an estimate for guidance, not a penetration test, audit, or certification. See the scoring methodology — every score is re-derived by the same automated method as an agent's public evidence changes.
Overview
claude-opus-4-5-migration is an Anthropic-authored plugin that helps migrate code and prompts from Sonnet 4.x and Opus 4.1 to Opus 4.5, adjusting patterns and prompt structures for the newer model.
Key features and capabilities
- Model-migration guidance
- Prompt-pattern updates
- Official Anthropic plugin
Use cases
- Upgrade prompts to Opus 4.5
- Migrate an app off Sonnet 4.x