One read of Claude Code CLIclaude-code-20261007T200702Z
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218218In a Cowork or cloud session, Claude Code loads the skills enabled for your claude.ai account, and [Skills in Cowork and cloud sessions](#skills-in-cowork-and-cloud-sessions) says how to choose which skills those sessions get.
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220In your terminal, Claude Code syncs those skills in sessions where you sign in with your claude.ai account. When the session starts, Claude Code downloads your account's skills into `~/.claude/skills/synced/` in the background, then checks claude.ai for changes about every 10 minutes while the session runs. When a check finds that a skill was added, edited, or turned off on claude.ai, Claude Code adds, updates, or removes it in the running session without a restart. Syncing in terminal sessions requires Claude Code v2.1.273 or later.
220In your terminal, Claude Code syncs those skills in sessions where you sign in with your claude.ai account. When the session starts, Claude Code downloads your account's skills into `~/.claude/skills/synced/` in the background, then checks claude.ai for changes while the session runs. When a check finds that a skill was added, edited, or turned off on claude.ai, Claude Code adds, updates, or removes it in the running session without a restart. Syncing in terminal sessions requires Claude Code v2.1.273 or later.
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222The sync never delays startup, because Claude waits for a skill's download only when it invokes that skill. A short [non-interactive](/docs/en/headless) run can therefore finish before a newly added skill downloads, in which case a later session downloads it. To make a non-interactive run download your skills and wait for the list before it answers the prompt, set [`CLAUDE_CODE_SYNC_SKILLS`](/docs/en/env-vars#variables) to `1`.
222The checks run less often while the session is idle:
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224* **While you or Claude work in the session**: a check runs about every 10 minutes.
225* **While the session is idle**: a check runs about every 40 minutes. When you type in the session again, Claude Code checks within a few minutes if the last check was more than 10 minutes ago.
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227The sync never delays startup, because Claude waits for a skill's download only when it invokes that skill. A short [non-interactive](/docs/en/headless) run can therefore finish before a newly added skill downloads, in which case a later session downloads it. To make a non-interactive run download your skills and wait for the list before it answers the prompt, set [`CLAUDE_CODE_SYNC_SKILLS`](/docs/en/env-vars#variables) to `1`. Before v2.1.273, terminal sessions downloaded them only in a `-p` run with this variable set.
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224229Claude Code syncs only in a session that signs in with your claude.ai account and [fetches feature flags from Anthropic](/docs/en/env-vars#features-that-need-feature-flag-fetching). It doesn't sync in these sessions:
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