facebook / flags
Install for your project team
Run this command in your project directory to install the skill for your entire team:
mkdir -p .claude/skills/flags && curl -L -o skill.zip "https://fastmcp.me/Skills/Download/610" && unzip -o skill.zip -d .claude/skills/flags && rm skill.zipProject Skills
This skill will be saved in .claude/skills/flags/ and checked into git. All team members will have access to it automatically.
Important: Please verify the skill by reviewing its instructions before using it.
Use when you need to check feature flag states, compare channels, or debug why a feature behaves differently across release channels.
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Skill Content
--- name: flags description: Use when you need to check feature flag states, compare channels, or debug why a feature behaves differently across release channels. --- # 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 ✅ enabled, ❌ disabled, 🧪 `__VARIANT__`, 📊 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