Deploy managed settings changedmanaged-settings
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8686 * **Remote Cowork sessions**: these run on Anthropic-managed VMs, where Claude Code has no device policy to read.
8787
8888 The [surface coverage](/docs/en/model-config#surface-coverage) table compares Cowork with the other surfaces.
89* **Running sessions**: a session picks up most changes on the schedule in the table without a restart. Claude Code reads [`forceRemoteSettingsRefresh`](/docs/en/settings-reference#forceremotesettingsrefresh) and [`requiredMinimumVersion`](/docs/en/settings-reference#requiredminimumversion) only at session start, arms a new or changed [`policyHelper`](/docs/en/settings-reference#policyhelper) entry at the next launch, and reads [some user-editable keys once at session start](/docs/en/settings#when-edits-take-effect).
89* **Running sessions**: most changes reach a running session on the schedule in the [delivery mechanism table](#choose-a-delivery-mechanism), without a restart.
90 * Changes to [`forceRemoteSettingsRefresh`](/docs/en/settings-reference#forceremotesettingsrefresh), [`requiredMinimumVersion`](/docs/en/settings-reference#requiredminimumversion), and [some user-editable keys](/docs/en/settings#when-edits-take-effect) take effect at the next session start.
91 * A new or changed [`policyHelper`](/docs/en/settings-reference#policyhelper) entry takes effect at the next launch, except that a helper shadowed at launch by server-managed settings runs as soon as a fetch reports those settings removed.
9092* **Changes that need approval**: apart from the [updates that wait for the next launch](/docs/en/server-managed-settings#fetch-and-caching-behavior), a server-managed change to a setting that [needs approval](/docs/en/server-managed-settings#security-approval-dialogs), such as a hook or an `env` variable, waits for the developer to accept the dialog in an interactive session, and applies for the current run in a session an IDE extension or the Agent SDK hosts. Other server-managed changes apply on the next poll.
9193* **Long-lived sessions**: a session left open for weeks can still lag a rollout. [`requiredMinimumVersion`](/docs/en/settings-reference#requiredminimumversion) blocks an outdated binary from starting and doesn't end a session that's already running.
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172174Under `"merge"`, Claude Code adds a lower source's list entries, such as `permissions.allow` rules and hooks, to the policy, so turn it on only when every source ranked below your highest one is under an administrator's control.
173175
174This table shows how Claude Code combines each kind of key under `"merge"`; the [`managedSourcesBehavior` entry](/docs/en/settings-reference#managedsourcesbehavior) names every key in the restriction allowlist and highest-source-only rows.
176This table shows how Claude Code combines each kind of key under `"merge"`. The [`managedSourcesBehavior` entry](/docs/en/settings-reference#managedsourcesbehavior) names every key in the restriction allowlist, values-taken-whole, and highest-source-only rows.
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176178| Kind of key | How Claude Code combines it | Examples |
177179| :-------------------------------------------- | :-------------------------------------------------------------------------------------------------------------------------------------------------- | :-------------------------------------------------------------------------------------------------------------------------- |
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178180| Lists | Combines the entries from every source | `permissions.allow`, `hooks`, `sandbox.network.allowedDomains`, `deniedMcpServers` |
179181| Locks | Applies the strictest value any source sets; a looser value applies only from the highest-ranked source | `allowManagedHooksOnly`, `permissions.disableBypassPermissionsMode`, `crossSessionInbound` |
180182| Restriction allowlists | Takes the list whole from the highest-ranked source that sets it, without adding entries from lower sources | `availableModels`, `allowedMcpServers`, `strictKnownMarketplaces`, `allowedChannelPlugins`, and the `fallbackModel` chain |
183| Values taken whole | Takes the value whole from the highest-ranked source that sets it, without combining entries or fields from lower sources | `sandbox.credentials.awsPairs`, `sandbox.ripgrep` |
181184| Provided MCP servers | Combines the server names from every source; when two sources set the same name, applies the higher-ranked source's whole entry | `managedMcpServers` |
182185| Keys read from the highest-ranked source only | Ignores the key in every lower source, even when the highest-ranked source leaves it unset | Credential helpers such as `apiKeyHelper`, login pins such as `forceLoginOrgUUID`, `modelPicker`, `permissions.defaultMode` |
183186| `env` | Merges per variable across admin sources under either setting, as [Keys read from every admin source](#keys-read-from-every-admin-source) describes | |
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192195* **The emitted `managedSettings` object is the only managed settings for the session**, including for the [keys it otherwise reads from every admin source](#keys-read-from-every-admin-source), apart from [`forceRemoteSettingsRefresh`, which has its own startup rule](/docs/en/settings-reference#forceremotesettingsrefresh)
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194197For which helper runs fail, and what Claude Code does when one does, see [Helper failures](/docs/en/settings-reference#helper-failures).
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196Claude Code selects the source at startup, and that selection decides whether a helper runs. The [`policyHelper`](/docs/en/settings-reference#policyhelper) entry says which sources can configure a helper.
197198
198199<span id="parent-settings-from-embedding-hosts" />
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