Context Packets: A Smarter Way to Feed Architecture to AI Coding Agents

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Giving an AI coding agent access to an entire repository does not guarantee better understanding, as large codebases contain outdated code and undocumented decisions that dilute useful signals. A proposed solution called a 'context packet' is a small, versioned, machine-readable description of a system that captures contracts and architectural decisions source code alone does not reveal. Rather than relying on folder structure or full-repo access, a context packet is assembled from a dependency graph and scoped specifically to the change at hand. It covers key technical layers including intent, boundaries, contracts, constraints, and execution policies. Like source code, context packets should be versioned and reviewed, making context selection an auditable, improvable policy rather than an ad-hoc prompt.

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