--messaging-socket-path
A Claude Code CLI flag, read out of the shipped bundle. No mined inventory carries it: everything below comes from what this site has written about it.
What it is
The messaging socket lives under XDG_RUNTIME_DIR with locked-down permissions and refuses to hijack a live one.
Not Anthropic's. This is the line from the earliest changelog entry here that named it, v2.1.224.
Presence across releases
The miner has never read a build containing this name. It is here because a changelog entry of ours names it, which is evidence that it existed and not evidence of which releases carried it. The inventory starts at v2.1.138 and everything older than that was never mined.
Changelog entries naming it
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v2.1.247
--messaging-socket-pathnow errors instead of silently doing nothingA bad messaging socket path now fails with a clear error instead of being silently ignored.
named in this entry
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v2.1.232Clearer failures when the messaging socket path is unusable
Messaging socket setup now creates and locks down its directory and explains custom-path failures.
named in this entry
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v2.1.224Local messaging socket: where it lives, who can read it, and refusing to steal a live one
The messaging socket lives under XDG_RUNTIME_DIR with locked-down permissions and refuses to hijack a live one.
named in this entry
Documentation pages
None of Anthropic's documentation pages this site has a copy of carries this name.
Read out of the published npm bundle release by release, and out of Anthropic's own documentation as this site captured it. Nothing on this page is a description anybody here wrote about what the CLI flag does. All CLI flags.