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Replicas supports Muse Code through its native Muse Server Protocol (MSP).

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Setup

Install the Replicas CLI, sign in, and connect your Muse subscription:
The credential is personal by default. Run replicas muse-auth --org as an organization admin to share the subscription with your organization. See Credentials for scope and precedence.

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Using Muse Code

Choose Muse Code from the workspace agent picker. Muse supports persistent sessions, streamed reasoning and tool activity, Plan Mode, model and thinking controls, image input, interruption, queued-message steering, interactive questions, workspace skills as slash commands, and /compact. muse-spark-1.2 is the default model. If it reaches a usage limit, Replicas can retry with another configured personal or organization Muse credential. Muse runs with full workspace permissions and does not support Replicas command-protection policies; Muse tabs show a warning for this limitation.

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Programmatic use

Use muse anywhere Replicas accepts a coding-agent provider:
The API, MCP, Automations, and Defaults surfaces also accept muse.