IAM for Autonomous Systems: Here's What You Need to Know

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Autonomous systems cannot scale on issued credentials. IAM for Autonomous Systems replaces issued tokens with derived, per-action, offline-verifiable authority.
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Traditional IAM issues credentials, a model built for humans that breaks at machine speed: broad tokens, big blast radii, and an issuer bottleneck on every action. This article introduces IAM for Autonomous Systems, where authority is derived, not issued. In AgentEnvelope, the action envelope (operation, resources, time window, limits) is the credential: each capability is derived cryptographically from a customer-held root and the canonical action description, verifiable offline with no issuance service in the loop. A second layer, legitimacy, lets governance deny actions that are still validly signed but contradicted by current evidence. The SDK and MCP server are open source (Apache 2.0), and the protocol is published as an IETF Internet Draft.