Muse Code

Meta's terminal and CI coding agent built for Muse Spark.

  • ai agent
  • Paid

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Pricing

Usage billed through the Meta Model API or a subscription; Engadget reports $1.25 per million input and $4.25 per million output tokens (not stated on the docs page).

Overview

Muse Code is a coding agent from Meta for the command line and for CI pipelines, designed around its Muse Spark model (muse-spark-1.2 by default). Started inside a project, it plans the work, edits files and runs commands, with approval prompts and an operating-system sandbox active from the first session. It can run as an interactive terminal app or headless for scripts, and it can use subagents, hooks, skills and MCP servers, and pass messages between live sessions. One codebase covers macOS, Linux and Windows, though a few features behave differently on Windows.

Key features

  • Interactive terminal UI or headless runs for CI
  • Approval prompts and OS sandboxing by default
  • Subagents, skills, hooks and MCP
  • Messaging between live sessions
  • macOS, Linux and Windows

Use cases

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Last updated 2026-10-21

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