CLAUDE_PTY_HOST_NO_STABLE_PATH

Updated October 14, 2026 by Alex Sorokoletov

CLAUDE_PTY_HOST_NO_STABLE_PATH is a Claude Code environment variable. Added in v2.1.295 and still present in v2.1.296. It is not in the official reference.

Status	Present in v2.1.296
Added	Added in v2.1.295
Category	Other
Official docs	Not listed

How to set it

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

export CLAUDE_PTY_HOST_NO_STABLE_PATH=<value>
claude

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

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

Related variables

CLAUDE_PTY_HOST_EXEC
CLAUDE_CODE_HOST_PLATFORM: Override platform detection: win32, darwin, linux.
CLAUDE_CODE_WORKSPACE_HOST_PATHS: Specifies host-side filesystem paths that should be mapped or accessible within a workspace context.
CLAUDE_PTY_RECORD: Enables PTY session recording for a background agent — captures the raw terminal byte stream as a bit-for-bit replay artifact, not just a transcript.
CLAUDE_AI_HOST
CLAUDE_ARTIFACT_HOST_GRANT
CLAUDE_CODE_ARTIFACT_PATH_PIN
CLAUDE_CODE_AUTOUPDATER_DISABLED_BY_HOST

Frequently asked questions

Which Claude Code version has CLAUDE_PTY_HOST_NO_STABLE_PATH?

Added in v2.1.295 and still present in v2.1.296.

How do I set CLAUDE_PTY_HOST_NO_STABLE_PATH?

Export it before starting Claude Code (export CLAUDE_PTY_HOST_NO_STABLE_PATH=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.