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feat: add subprocess environment inheritance control #944

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feat: add subprocess environment inheritance control #944

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6 changes: 5 additions & 1 deletion src/claude_agent_sdk/_internal/transport/subprocess_cli.py
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Original file line number Diff line number Diff line change
Expand Up @@ -427,7 +427,11 @@ async def connect(self) -> None:
# it. CLAUDE_AGENT_SDK_VERSION is always set by the SDK.
# Filter out CLAUDECODE so SDK-spawned subprocesses don't think
# they're running inside a Claude Code parent (see #573).
inherited_env = {k: v for k, v in os.environ.items() if k != "CLAUDECODE"}
if self._options.inherit_env:
inherited_env = {k: v for k, v in os.environ.items() if k != "CLAUDECODE"}
else:
inherited_env = {}

process_env = {
**inherited_env,
"CLAUDE_CODE_ENTRYPOINT": "sdk-py",
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1 change: 1 addition & 0 deletions src/claude_agent_sdk/types.py
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Expand Up @@ -1719,6 +1719,7 @@ class ClaudeAgentOptions:
"""

env: dict[str, str] = field(default_factory=dict)
inherit_env: bool = True
"""Environment variables to pass to the Claude Code subprocess.

SDK consumers can identify their app/library in the User-Agent header by
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