Powerful Features

Plan Agent

Read-only analysis that maps out a change before any file is touched

Edits, writes and patches files across the whole project in one task

Runs build, lint and dev commands in your shell and reads the output

Runs your test suite, reads failures and fixes the code until it passes

Allow, ask or deny per tool and per shell-command pattern

Connect tools with assumer mcp add, local stdio or remote HTTP

Assumer.md, compatible with AGENTS.md and CLAUDE.md, sets project conventions

Resume past sessions, and use /undo and /redo to revert or re-apply changes