CLAUDE_CODE_INVOKED_SKILLS

Updated October 14, 2026 by Alex Sorokoletov

CLAUDE_CODE_INVOKED_SKILLS is a Claude Code environment variable. Added between v2.1.143 and v2.1.212 and still present in v2.1.295. It is not in the official reference.

Status	Present in v2.1.295
Added	Added between v2.1.143 and v2.1.212
Category	Plugins and skills
Official docs	Not listed

How to set it

For one session, export it in the shell that starts Claude Code:

export CLAUDE_CODE_INVOKED_SKILLS=<value>
claude

To apply it to every session, add it to the env object of a settings file:

// ~/.claude/settings.json
{
  "env": {
    "CLAUDE_CODE_INVOKED_SKILLS": "<value>"
  }
}

Related variables

CLAUDE_CODE_DISABLE_BUNDLED_SKILLS
CLAUDE_CODE_DISABLE_POLICY_SKILLS: Disables policy-enforced skills.
CLAUDE_CODE_SYNC_SKILLS
CLAUDE_CODE_CCR_EARLY_SKILLS_SYNC
CLAUDE_API_SKILL_DESCRIPTION: Registration hook for the built-in "claude-api" skill that bundles Anthropic SDK docs (Python, TypeScript, Java, Go, Ruby, PHP, C#, curl) plus shared references on models, prompt caching, managed agents, and tool use.
CLAUDE_CODE_DISABLE_CLAUDE_API_SKILL: Disables the built-in Claude API skill.
CLAUDE_CODE_DISABLE_OFFICIAL_MARKETPLACE_AUTOINSTALL: Disable automatic plugin installation from marketplace.
CLAUDE_CODE_ENABLE_BACKGROUND_PLUGIN_REFRESH: Enables automatic background plugin refresh when the runtime detects updates are needed.

Frequently asked questions

Which Claude Code version has CLAUDE_CODE_INVOKED_SKILLS?

Added between v2.1.143 and v2.1.212 and still present in v2.1.295.

How do I set CLAUDE_CODE_INVOKED_SKILLS?

Export it before starting Claude Code (export CLAUDE_CODE_INVOKED_SKILLS=value), or add it to the "env" object in ~/.claude/settings.json to apply it to every session.

All variables, searchable: Claude Code environment variables.