CLAUDE_CODE_MARKETPLACE_URL

Updated October 14, 2026 by Alex Sorokoletov

CLAUDE_CODE_MARKETPLACE_URL is a Claude Code environment variable. Added in v2.1.238 and still present in v2.1.295. It is not in the official reference.

How to set it

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

export CLAUDE_CODE_MARKETPLACE_URL=<value>
claude

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

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

Release notes that mention it

• Claude Code Version Tracker: Undocumented Env Vars, Feature Gates & Models
• claude-code-env-vars-v2-1-238

Related variables

• ANTHROPIC_BASE_URL: Custom endpoint for Anthropic services.
• CLAUDE_CODE_API_BASE_URL: Custom Claude Code API base URL for proxies.
• CLAUDE_CODE_GB_BASE_URL: An internal base URL override, possibly for a "gradebook" or grading service used during internal testing.
• CLAUDE_CODE_MCP_SERVER_URL: The companion to MCP_SERVER_NAME, providing the server endpoint URL.
• CLAUDE_CODE_PROXY_URL: Full proxy URL, injected into the helper subprocess's environment.
• DATABASE_URL
• PIP_INDEX_URL
• CLAUDE_BRIDGE_BASE_URL

Frequently asked questions

All variables, searchable: Claude Code environment variables.