Individual skill

create-feature-flag

Create a new Harness FME feature flag and its per-environment definitions with a safe default, following the project's naming and tagging conventions. Use when asked to create a feature flag, add a flag, set up a new FME flag, or initialize flag targeting. Flag/definition writes only: does not gate application code (instrument-feature-flag) and is not a first-time onboarding entry point (feature-flag-onboarding). Do not use for updating existing flag targeting (update-flag-targeting), deep analysis of a single flag (explain-flag), listing/discovering flags (discover-feature-flags), flag lifecycle like archive/delete (manage-flag-lifecycle), segments (manage-segments), experiments (manage-experiments), pipeline rollouts (fme-pipeline), or removing flags from code (cleanup-feature-flags). Trigger phrases: create feature flag, add flag, new flag, set up flag, FME flag create, initialize flag.

skills/fme/create-feature-flag/SKILL.md

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Last checked: Nov 11, 2026

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Repository stars (not skill ratings): 134
Repository last updated: Oct 28, 2026
License: Apache-2.0

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# Create Feature Flag

Create a new Harness FME feature flag and optionally its per-environment definitions with safe defaults, following the project's existing conventions. Related: `update-flag-targeting` (ramp), `manage-experiments` (A/B test).

## Tools

Works through the Harness MCP server or the Harness CLI; names are from [tool-map.md](../../../references/fme/tool-map.md).

| Operation | MCP | CLI |
|-----------|-----|-----|
| List flags | `harness_list` · `fme_feature_flag` · `size: 50` · `compact: false` | `harness list feature_flag --json --limit 50` |
| Get flag | `harness_get` · `fme_feature_flag` · `params.feature_flag_name` | `harness get feature_flag <name> --json` |
| List environments | `harness_list` · `fme_environment` · `compact: false` | `harness list fme_environment --json` |
| List traffic types | `harness_list` · `fme_traffic_type` · `compact: false` | `harness list traffic_type --json` |