What
Post-turn memory is an optional feature that is only active when the environment variable CLAUDE_CODE_POST_TURN_MEMORY is set. Its settings are given as JSON in CLAUDE_CODE_POST_TURN_MEMORY_CONFIG. That JSON now accepts a key extract_transport with one of two values:
"tools", the default"text"
Why
This suggests memory extraction can now run with the model writing plain text, rather than making tool calls (structured requests to Claude Code's built-in tools).
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The writer flagged doubt
What the "text" setting actually changes in memory extraction is not known.