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Developer Tools

Every guide filed under developer tools, written from primary sources and reviewed before publishing.

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Type Server Protocol diagram: an editor client querying a snapshot-bound Python type serverSoftware Engineering

Software Engineering

Type Server Protocol: How Editors Query Python Types

Type Server Protocol (TSP) lets editors query Python types through snapshot-bound JSON-RPC. How the spec works, why Pylance runs Pyrefly, and what it lacks.

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