Use when you need to check feature flag states, compare channels, or debug why a feature behaves differently across release channels.
View on GitHubFebruary 1, 2026
Select agents to install to:
npx add-skill https://github.com/facebook/react/blob/64b4605cb82367fa78a08b99bbee1c800e6af21a/.claude/skills/flags/SKILL.md -a claude-code --skill flagsInstallation paths:
.claude/skills/flags/# Feature Flags Arguments: - $ARGUMENTS: Optional flags ## Options | Option | Purpose | |--------|---------| | (none) | Show all flags across all channels | | `--diff <ch1> <ch2>` | Compare flags between channels | | `--cleanup` | Show flags grouped by cleanup status | | `--csv` | Output in CSV format | ## Channels - `www`, `www-modern` - Meta internal - `canary`, `next`, `experimental` - OSS channels - `rn`, `rn-fb`, `rn-next` - React Native ## Legend โ enabled, โ disabled, ๐งช `__VARIANT__`, ๐ profiling-only ## Instructions 1. Run `yarn flags $ARGUMENTS` 2. Explain the output to the user 3. For --diff, highlight meaningful differences ## Common Mistakes - **Forgetting `__VARIANT__` flags** - These are tested both ways in www; check both variants - **Comparing wrong channels** - Use `--diff` to see exact differences