> ## Documentation Index > Fetch the complete documentation index at: https://docs.gc.ai/llms.txt > Use this file to discover all available pages before exploring further. # Create playbook > Create a playbook — a reusable set of review checks. **Tool** `create_playbook` · **Behavior** Additive Create a playbook — a reusable set of review checks. You own it and it is private to you. Pass `checks` to author them inline, or add them later with `update_playbook`. Returns the playbook and its checks. ## Input parameters Playbook title (required, non-empty). Optional human-facing description. Optional free-text guidance applied across the whole playbook. Optional checks to create with the playbook (max 100). Each runs as one review criterion. You can also add checks later with `update_playbook`. Check title (required). Optional internal description. Optional priority within the playbook. The check's positions: exactly one `standard` plus any `fallback`s. `standard` for the primary stance, `fallback` for an alternative. What to require, accept, or flag for this position. ## Response