CLAUDE_CODE_DIAGNOSTICS_FILE
Updated by Alex Sorokoletov
CLAUDE_CODE_DIAGNOSTICS_FILE is a Claude Code environment variable: Path to write diagnostics output. Removed in v2.1.290, so current releases ignore it. It is not in the official reference.
| Status | Removed in v2.1.290 |
|---|---|
| Added | Present since v2.1.69 or earlier |
| Category | Other |
| Official docs | Not listed |
How to set it
For one session, export it in the shell that starts Claude Code:
export CLAUDE_CODE_DIAGNOSTICS_FILE=<value>
claudeTo apply it to every session, add it to the env object of a settings file:
// ~/.claude/settings.json
{
"env": {
"CLAUDE_CODE_DIAGNOSTICS_FILE": "<value>"
}
}Release notes that mention it
Related variables
CLAUDE_CLIENT_PRESENCE_FILECLAUDE_CODE_USE_NATIVE_FILE_SEARCHCLAUDE_ENV_FILE: Path to environment file for session variables.CLAUDE_CODE_ARTIFACT_MULTI_FILECLAUDE_CODE_HOST_CREDS_FILECLAUDE_RUNNER_WORK_ORDER_FILECLAUDE_STAGE_FILE_ROOTANTHROPIC_BETAS: Comma-separated beta feature headers.
Frequently asked questions
What does CLAUDE_CODE_DIAGNOSTICS_FILE do?
Path to write diagnostics output
Which Claude Code version has CLAUDE_CODE_DIAGNOSTICS_FILE?
Removed in v2.1.290, so current releases ignore it.
How do I set CLAUDE_CODE_DIAGNOSTICS_FILE?
Export it before starting Claude Code (export CLAUDE_CODE_DIAGNOSTICS_FILE=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.