Meta releases Muse Code coding agent in beta

August 5, 2026 3:23 PM EDT

Investing.com -- Meta Platforms (NASDAQ: META) released Muse Code in beta on Wednesday, a terminal-based coding agent designed to handle complete software engineering tasks across large repositories.

The tool plans changes, writes code, and validates results. Meta powers the agent with Muse Spark 1.2, an updated model focused on coding tasks.

Muse Code operates specialized background agents that remain active throughout a user's session, building context over time rather than restarting with each new task. When a task reaches sufficient size, the system deploys separate sub-agents that work in parallel within isolated worktrees, leaving the working copy untouched.

During testing, Meta ran the system to build six features for a game at the same time without conflicts.

The company said users can install Muse Code with a single line of code and begin using it on a contributor tier. Meta described the pricing as low-cost for initial use.



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