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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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Claude Code v2.1.224 ·

Self-hosted runner hooks get the session UUID

Runner hooks now get CLAUDE_RUNNER_SESSION_UUID and CLAUDE_CODE_REMOTE_SESSION_UUID so your scripts can key on the session.

Use it now Notable No documentation found New Features
JSON All of v2.1.224
Use it nowTier: how much it should matter to you
3Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
Self-Hosted RunnerArea: what it touches
New FeaturesKind: in v2.1.224,
What probably matters to youSection of the release
What

Checkout hooks, post-session hooks and the remote runner environment now export CLAUDE_RUNNER_SESSION_UUID and CLAUDE_CODE_REMOTE_SESSION_UUID, so your scripts can key on the session. Neither existed in 2.1.223.

Details
  • The value is derived from the session id by decoding its trailing segment into a canonical UUID; if that does not decode, the variables are left unset.
  • Only set on the self-hosted runner and remote session launch paths.
Evidence

CLAUDE_RUNNER_SESSION_UUID

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

Read from
Names in the bundleCLAUDE_RUNNER_SESSION_UUIDCLAUDE_CODE_REMOTE_SESSION_UUID

See this entry in the whole of v2.1.224 →

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