Least-privilege access for coding agents

Least-privilege access for coding agents should be defined by the specific task rather than the permissions of the developer who initiated it, limiting exposure to only the necessary repository paths, tools, network destinations, credentials, and external systems. The approach separates read and write permissions, uses dedicated machine identities and short-lived credentials, and keeps production deployment rights outside routine coding workflows. While prompts can guide agent behavior, effective safeguards require enforceable controls such as operating-system-level sandboxes, restricted working directories, network allowlists, command limits, and organization-wide policy ceilings. Changes prepared by agents should remain subject to branch protection, automated checks, human review, and explicit authorization for remote actions, with service accounts providing stable audit identities. Logging both successful and denied actions can reveal unclear task scopes or missing approved dependencies, while temporary permissions and environments should expire when work is complete to preserve a small, reviewable security boundary.

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