CLAUDE_CODE_JSONL_TRANSCRIPT

Updated October 14, 2026 by Alex Sorokoletov

CLAUDE_CODE_JSONL_TRANSCRIPT is a Claude Code environment variable. Removed between v2.1.241 and v2.1.245, so current releases ignore it. It is not in the official reference.

Status	Removed between v2.1.241 and v2.1.245
Added	Added between v2.1.143 and v2.1.212
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_JSONL_TRANSCRIPT=<value>
claude

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

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

Related variables

CLAUDE_CODE_TRANSCRIPT_LOCAL_GC: Toggles local garbage-collection of on-disk session transcripts, backed by tengu_transcript_local_gc.
ANTHROPIC_BETAS: Comma-separated beta feature headers.
ANTHROPIC_CUSTOM_HEADERS: Custom HTTP headers (newline-separated Key: Value).
ANTHROPIC_FEDERATION_RULE_ID
ANTHROPIC_ORGANIZATION_ID
ANTHROPIC_WORKSPACE_ID
BETA_TRACING_ENDPOINT: Custom endpoint for beta tracing.
CLAUDE_AFK_COUNTDOWN_MS

Frequently asked questions

Which Claude Code version has CLAUDE_CODE_JSONL_TRANSCRIPT?

Removed between v2.1.241 and v2.1.245, so current releases ignore it.

How do I set CLAUDE_CODE_JSONL_TRANSCRIPT?

Export it before starting Claude Code (export CLAUDE_CODE_JSONL_TRANSCRIPT=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.