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/cmux-shared-behavior
Shared behavior and mutation-path rules for cmux. Use when a behavior is exposed through multiple entrypoints such as keyboard shortcuts, command palette, context menu, CLI, settings, debug menu, optimistic UI, or tests that previously missed a bug.
Claude Code
$ npx -y skills add manaflow-ai/cmux --skill cmux-shared-behavior --agent claude-code
Codex
$ npx skills add manaflow-ai/cmux --skill cmux-shared-behavior -a codex -y
Cursor
$ npx skills add manaflow-ai/cmux --skill cmux-shared-behavior -a cursor -y
Gemini CLI
$ npx skills add manaflow-ai/cmux --skill cmux-shared-behavior -a gemini-cli -y
GitHub Copilot
$ npx skills add manaflow-ai/cmux --skill cmux-shared-behavior -a github-copilot -y
OpenCode
$ npx skills add manaflow-ai/cmux --skill cmux-shared-behavior -a opencode -y
Windsurf
$ npx skills add manaflow-ai/cmux --skill cmux-shared-behavior -a windsurf -y
SKILL.md
cmux-shared-behavior.SKILL.mdname: cmux-shared-behavior description: "Shared behavior and mutation-path rules for cmux. Use when a behavior is exposed through multiple entrypoints such as keyboard shortcuts, command palette, context menu, CLI, settings, debug menu, optimistic UI, or tests that previously missed a bug."
cmux Shared Behavior
Shared entrypoints
When a behavior is exposed through multiple surfaces (keyboard shortcut, command palette, context menu, CLI/socket command, settings UI, debug menu), implement one shared action/model path and verify every entrypoint that should invoke it. Do not patch one surface and leave the others with duplicated logic.
Optimistic updates
Keep one mutation path. Record pending state with a request id or a previous snapshot, reconcile from the authoritative result, and handle failure with an explicit rollback or error state. Never let each entrypoint maintain its own optimistic copy.
Missed-bug coverage
When a user says tests missed a bug, add or adjust behavior-level coverage around the exact repro path before claiming the fix is complete.
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Questions about cmux-shared-behavior.
- Which coding agents can use cmux-shared-behavior?
- cmux-shared-behavior installs in Claude Code, Codex, Cursor, Gemini CLI, GitHub Copilot, OpenCode and Windsurf with the skills CLI, using each agent's flag shown on this page. Flowy's auto-invocation, which fires a skill when your prompt matches, runs in Claude Code only.