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HomeDocsClaude Code CLI 28 Aug 2026
One change · claude-code

Customize sessions in self-hosted environments changedself-hosted-environments-configuration

Nearest release: v2.1.250, published 5 hours before this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

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202202| `CLAUDE_RUNNER_ATTEMPT` | How many spawn requests this session has had. `0` for pre-warming requests. |
203203| `CLAUDE_RUNNER_ORDER_SERVER_TIME` | Server time from the poll response's HTTP `Date` header. When the hook verifies the work-order JWT's `exp`, compare against this value instead of the local clock to tolerate skew. Empty when the gateway omitted the header. |
204204| `CLAUDE_RUNNER_POOL_ID` | The ID of the environment the new runner should join, in `ccpool_...` form |
205| `CLAUDE_RUNNER_ACCOUNT_ID` | Tagged ID of the account that enqueued the session, for per-account routing, quota, or chargeback. Empty when unavailable. |
205| `CLAUDE_RUNNER_ACCOUNT_ID` | Tagged ID of the account that enqueued the session, for per-account routing, quota, or chargeback. Empty when unavailable, and always empty for Claude Tag channel sessions, which no account enqueues. |
206206| `CLAUDE_RUNNER_ACCOUNT_EMAIL` | Email of the account that enqueued the session. Empty when unavailable. Treat the email as personally identifiable information and don't log it. |
207207| `CLAUDE_RUNNER_PRIMARY_REPO_URL` | URL of the session's first git source, for routing to a runner with that repository pre-warmed. Empty when the session has no git sources. |
208208| `CLAUDE_RUNNER_PRIMARY_REPO_REVISION` | Revision of the session's first git source: branch, SHA, or tag. Empty when unspecified. |
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374374 
375375The runner gives each session its own config directory, seeded from an in-memory snapshot of the host's `~/.claude/` that the runner captures once at startup: `settings.json`, `CLAUDE.md`, hooks, agents, commands, and skills in your runner image apply to every session as the user-level baseline. Because the snapshot is taken at startup, config changes on a running host take effect only after a runner restart. Set `SELF_HOSTED_RUNNER_HOST_CONFIG_DIR` to seed from a different path, or point it at an empty directory to disable seeding.
376376 
377Repository-committed `.claude/settings.json` layers on top as project settings. Sessions also read [`managed-settings.json`](/docs/en/settings#where-settings-live) from the standard system path in your runner image, but the managed tier uses one source at a time, and [server-managed settings](/docs/en/server-managed-settings) are checked first: if your organization delivers any server-managed keys, sessions ignore the runner image's managed file except for its cross-source keys. Claude Code still reads the `env` block and the other [keys it reads from every admin source](/docs/en/managed-settings#keys-read-from-every-admin-source) from that file, such as the sandbox locks, the sandbox binary paths, and `forceRemoteSettingsRefresh`. See [settings precedence](/docs/en/settings#settings-precedence).
377Repository-committed `.claude/settings.json` layers on top as project settings. Sessions also read [`managed-settings.json`](/docs/en/settings#where-settings-live) from the standard system path in your runner image. Whether its keys apply alongside [server-managed settings](/docs/en/server-managed-settings) follows [how Claude Code combines managed sources](/docs/en/managed-settings#how-claude-code-combines-managed-sources): by default, when your organization delivers any server-managed keys, sessions ignore the runner image's file apart from the [keys Claude Code reads from every admin source](/docs/en/managed-settings#keys-read-from-every-admin-source), such as the `env` block, the sandbox locks, the sandbox binary paths, and `forceRemoteSettingsRefresh`. See [settings precedence](/docs/en/settings#settings-precedence).
378378 
379379When Anthropic's control plane supplies a session with [Claude Code hooks](/docs/en/hooks), the runner installs them alongside, not over, your own configuration. Requires Claude Code v2.1.229 or later.
380380 
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