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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

← All of v2.1.232 Home All releases ←olderv2.1.231 v2.1.233newer→
Claude Code v2.1.232

Three more variables can be set from settings.json

Use it now
Useful5 Signal3
Settings Notable

You can now set OTEL_SERVICE_NAME, OTEL_TRACES_EXPORT_INTERVAL and CLAUDE_CODE_FORK_SUBAGENT in settings.json.

OTEL_SERVICE_NAMEOTEL_TRACES_EXPORT_INTERVALCLAUDE_CODE_FORK_SUBAGENTenv
What

The env block in settings.json may now set OTEL_SERVICE_NAME, OTEL_TRACES_EXPORT_INTERVAL and CLAUDE_CODE_FORK_SUBAGENT, which previously only took effect from the shell. The first names your service in OpenTelemetry output and the third turns forked subagents off.

Usage
{ "env": { "OTEL_SERVICE_NAME": "claude-code-team-a", "CLAUDE_CODE_FORK_SUBAGENT": "false" } }
Evidence

OTEL_TRACES_EXPORT_INTERVAL

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

See this entry in the whole of v2.1.232 →