diff --git a/skills/do-task/claude-code/SKILL.md b/skills/do-task/claude-code/SKILL.md
index 5d7ef96..57e50a6 100644
--- a/skills/do-task/claude-code/SKILL.md
+++ b/skills/do-task/claude-code/SKILL.md
@@ -12,6 +12,7 @@ This is a single-artifact sibling of `create-plan` + `implement-plan`. Unlike `i
 ## Prerequisite Check (MANDATORY)
 
 Required:
+- Claude Code CLI: `claude --version`
 - Superpowers repo: `https://github.com/obra/superpowers`
 - `superpowers:brainstorming`
 - `superpowers:test-driven-development`
diff --git a/skills/do-task/codex/SKILL.md b/skills/do-task/codex/SKILL.md
index 55713af..de40bf4 100644
--- a/skills/do-task/codex/SKILL.md
+++ b/skills/do-task/codex/SKILL.md
@@ -14,6 +14,7 @@ This is a single-artifact sibling of `create-plan` + `implement-plan`. Unlike `i
 ## Prerequisite Check (MANDATORY)
 
 Required:
+- Codex CLI: `codex --version`
 - Superpowers repo: `https://github.com/obra/superpowers`
 - Superpowers skills symlink: `~/.agents/skills/superpowers -> ~/.codex/superpowers/skills`
 - `superpowers:brainstorming`