DISABLE_TELEMETRY

Updated October 13, 2026 by Alex Sorokoletov

DISABLE_TELEMETRY is a Claude Code environment variable: All telemetry. Its release history is not tracked here. It is listed in the official reference.

How to set it

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

export DISABLE_TELEMETRY=<value>
claude

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

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

Release notes that mention it

• Claude Code v2.1.108 — 4 New Environment Variables: REPL Variants, Skill Discovery, and the Limits Reckoning
• Claude Code Version Tracker: Undocumented Env Vars, Feature Gates & Models
• Boost Developer Productivity in 2025 with Claude Code - Settings, Custom Commands, Stack Guides and Tips and Tricks

Related variables

• CLAUDE_CODE_DISABLE_FEEDBACK_SURVEY: Survey prompts.
• CLAUDE_CODE_ENABLE_TELEMETRY: Enable telemetry collection.
• CLAUDE_CODE_ENHANCED_TELEMETRY_BETA: Enable enhanced telemetry (beta).
• CLAUDE_CODE_GB_DISK_CACHE_WHEN_TELEMETRY_OFF: Opts GrowthBook (GB) flag data back into the on-disk cache under a telemetry-off profile, where feature-flag caching would otherwise be skipped.
• ENABLE_ENHANCED_TELEMETRY_BETA: Enable enhanced telemetry (beta).
• CLAUDE_CODE_BYOC_ENABLE_DATADOG: Opt-in Datadog telemetry for BYOC (Bring Your Own Cloud) Bedrock/Vertex deployments.
• CLAUDE_CODE_DATADOG_FLUSH_INTERVAL_MS: Datadog metrics flush interval (ms).
• CLAUDE_CODE_ENABLE_FEEDBACK_SURVEY_FOR_OTEL: Re-enables the session quality survey for enterprise deployments with OTEL enabled.

Frequently asked questions

All variables, searchable: Claude Code environment variables.