Addy Osmani gives guidance on using Claude Code with Claude Opus 5.5

Addy Osmani describes how to use Claude Code with Claude Opus 5.5, according to a post by meng shao on X that reproduces his guidance in a summary image.

Osmani argues that Claude 5-series models need less step-by-step prompting, and that a single prompt stating the goal and an acceptance check works better.

He recommends pruning old system prompts, using sub-agents only for large independent tasks, and using cloud sessions and Projects for parallel work. The coverage is a secondhand summary of his advice and includes no measured results.