Engineering
Code Refactoring
Systematic code refactoring across large codebases with consistency and test preservation.
Recommended agents
AnthropicAnthropicAnysphere
Claude Code
Anthropic's official CLI coding agent. Long-horizon refactors, tool-use harness, MCP server support.
Claude Opus 4.7
Anthropic's flagship at the time of this entry: extended thinking on, 1M-token context, the most patient of the frontier models.
Cursor
The IDE-shaped coding agent. Tab completion, agent mode, the first $100M ARR coding tool.
Budget pick
Cursor
$20-$40/mo per seat
Key considerations
- ›Context window for large codebases
- ›Test preservation
- ›Partial failure handling