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MUSCLE Flex is an invite-only paid beta for people already building with agents. Tell us which client you use and what a useful result looks like. It takes about two minutes.

  • A small paid beta: the first cohort is limited to a few invited users.
  • We look for active coding-agent or tool-use workflows that fit the published compatibility surface.
  • Invitations go out in small batches, by email, with the base URL and next steps.

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A sentence or two is enough. Do not paste source code, credentials or customer data.

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Request access | MUSCLE Flex