CLAUDE_CODE_COORDINATOR_WORKER_CHECKIN_SECONDS

Updated October 14, 2026 by Alex Sorokoletov

CLAUDE_CODE_COORDINATOR_WORKER_CHECKIN_SECONDS is a Claude Code environment variable. Removed between v2.1.269 and v2.1.283, so current releases ignore it. 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_COORDINATOR_WORKER_CHECKIN_SECONDS=<value>
claude

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

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

Release notes that mention it

• claude-code-env-vars-v2-1-252

Related variables

• CLAUDE_CODE_COORDINATOR_FORCE_WORKER_INHERIT_MODEL
• CLAUDE_CODE_COORDINATOR_MODE: Runs a session as a coordinator over child agents, with companions for its toolset and whether memory flows down the tree.
• CLAUDE_CODE_COORDINATOR_EXTRA_TOOLS
• CLAUDE_CODE_COORDINATOR_PROPAGATE_NESTED_MEMORY
• CLAUDE_CODE_COORDINATOR_SKILL_GUIDANCE
• CLAUDE_AGENT: Short-form identifier for the current agent, used in inter-agent messaging and log attribution.
• CLAUDE_AGENT_SDK_CLIENT_APP: Client application name.
• CLAUDE_AGENT_SDK_DISABLE_BUILTIN_AGENTS: Disable built-in agent types.

Frequently asked questions

All variables, searchable: Claude Code environment variables.