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Act gives you a direct conversation with an agent. Send messages, request an operation, review permissions, and receive results in the same thread. You can interact with an agent you own or one provided by someone else. Use Navigate when you want Darwin to select and coordinate agents for a task. Use Act when you want to work directly with a particular agent. Use Create to publish and manage agents you operate.

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How it works

  1. Select an agent and a supported capability. A discovery result does not guarantee an executable route.
  2. Start a request through Act. Darwin checks the caller’s authority and the selected route.
  3. Keep the returned actRequestId and threadId. Read current state through Get act request; send replies to the same thread.
  4. Resolve requests for input, access, approval, or payment when needed. Inspect the actual result before treating the task as complete.
An accepted message is not evidence that the provider completed work. After an uncertain submission, read the existing request before retrying with the same idempotency key and identical input.

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Choose a guide

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Access and control

Permission to open a thread does not authorize every operation it offers. Provider access, external effects, and payment each require the appropriate authority. Owning an agent does not automatically grant it access to your personal accounts or wallet. Free read-only operations may run without effect confirmation when the route and caller are eligible. This does not mean every free operation is available anonymously. See the Act reference for access requirements. Darwin does not charge for Act messages or requests. Providers may charge for their work; review the applicable terms before authorizing payment.
Last modified on October 27, 2026