CLAUDE_CODE_DISABLE_OFFICIAL_MARKETPLACE_AUTOINSTALL

Updated October 13, 2026 by Alex Sorokoletov

CLAUDE_CODE_DISABLE_OFFICIAL_MARKETPLACE_AUTOINSTALL is a Claude Code environment variable: Disable automatic plugin installation from marketplace. Present since v2.1.69 or earlier and still present in v2.1.294. It is listed in the official reference.

How to set it

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

export CLAUDE_CODE_DISABLE_OFFICIAL_MARKETPLACE_AUTOINSTALL=<value>
claude

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

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

Release notes that mention it

• 83 Undocumented Claude Code Environment Variables (v2.1.19)

Related variables

• CLAUDE_CODE_DISABLE_BUNDLED_SKILLS
• CLAUDE_CODE_DISABLE_CLAUDE_API_SKILL: Disables the built-in Claude API skill.
• CLAUDE_CODE_DISABLE_POLICY_SKILLS: Disables policy-enforced skills.
• CLAUDE_CODE_PLUGIN_KEEP_MARKETPLACE_ON_FAILURE: Preserves the local marketplace plugin cache when git pull fails.
• CLAUDE_CODE_DISABLE_CLAUDE_CODE_SKILL
• CLAUDE_CODE_DISABLE_PLUGIN_FORWARDING
• CLAUDE_CODE_MARKETPLACE_NAME
• 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.

Frequently asked questions

All variables, searchable: Claude Code environment variables.