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Meta Muse Code exits beta with multi-agent workflows and SDK preview

Muse Code is officially out of beta, adding inter-session messaging, workflows that split tasks across multiple agents, an SDK in developer preview and monthly subscription plans.

Wes Roth
@WesRothArchived 2026.09.15Originally posted 2026.09.01
Wes Roth @WesRothOriginally posted 2026.09.01
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Meta’s Muse Code is officially out of beta, with updates aimed at handling larger and more complex engineering tasks. Several new capabilities: • Inter-session messaging lets separate sessions share context and state directly when their work affects each other • Workflows can divide a task across multiple focused agents, carry intermediate work between stages, and return a single result • A new SDK is in developer preview, allowing developers to build agents on Muse Code, embed them in apps, connect custom tools, stream progress, and resume sessions later • Monthly subscription plans are also rolling out Developers can install Muse Code today with a single command.

This post quotes another post: x.com/finkd/status/2094500475710099945

x.com/wesroth/status/2094583516541640883Archived 2026.09.15 19:39