Can I use this to migrate Haiku models?

No, the migration logic specifically excludes Haiku models to prevent breaking lightweight implementations that don't require Opus-level reasoning.

Will it automatically change my prompt behavior?

The skill only applies behavioral prompt adjustments (like fixing over-engineering) if you explicitly report an issue or request those specific optimizations.

Does this skill support AWS Bedrock and Google Vertex AI?

Yes, it includes target model strings and migration paths for the Anthropic 1P API, AWS Bedrock, Google Vertex AI, and Azure AI Foundry.

What is the 'effort' parameter included in the migration?

Opus 4.5 supports an 'effort' parameter which this skill sets to 'high' by default to ensure the model provides the highest quality reasoning for your tasks.

Which models can I migrate from using this skill?

This skill is designed to migrate code and prompts from Claude Sonnet 4.0, Sonnet 4.5, and Opus 4.1 specifically to Opus 4.5.

Claude Opus 4.5 Migration Assistant

Name: Claude Opus 4.5 Migration Assistant
Author: Activer007

byActiver007

Cloud Infrastructure

Migrates codebase model strings and optimizes prompts for the transition from earlier Claude models to Opus 4.5.

About

This specialized skill facilitates the seamless migration of applications and prompts from Claude Sonnet 4.0, 4.5, or Opus 4.1 to the latest Opus 4.5 model. It automates the identification and replacement of model-specific API strings across major platforms including Anthropic, AWS Bedrock, Google Vertex AI, and Azure AI Foundry. Beyond simple string replacement, it provides intelligent prompt adjustments to mitigate known behavioral shifts such as tool overtriggering, over-engineering, and the 'thinking' sensitivity found in the 4.5 architecture, ensuring your AI-driven workflows remain performant and cost-effective.

Key Features

Automatic configuration of the 'high' effort parameter for complex reasoning.
Automated model string updates for 1P API, AWS Bedrock, Vertex AI, and Azure.
0 GitHub stars
Behavioral prompt patching to prevent over-engineering and tool misuse.
Detection and removal of unsupported context-window beta headers.
Context-aware integration of specialized frontend and code exploration snippets.

Use Cases

Upgrading legacy Claude 3.5 or 4.1 implementations to the latest Opus 4.5 version.
Optimizing system prompts to reduce model overtriggering of tools and functions.
Ensuring cross-cloud consistency for AI model identifiers in multi-platform deployments.

About

Key Features

Automatic configuration of the 'high' effort parameter for complex reasoning.
Automated model string updates for 1P API, AWS Bedrock, Vertex AI, and Azure.
0 GitHub stars
Behavioral prompt patching to prevent over-engineering and tool misuse.
Detection and removal of unsupported context-window beta headers.
Context-aware integration of specialized frontend and code exploration snippets.

Use Cases

Upgrading legacy Claude 3.5 or 4.1 implementations to the latest Opus 4.5 version.
Optimizing system prompts to reduce model overtriggering of tools and functions.
Ensuring cross-cloud consistency for AI model identifiers in multi-platform deployments.