Claude Project File
A pinned context file in Anthropic Claude Projects that every chat in the project references.
Claude Projects allow you to pin documents that become persistent context across every conversation in the project. The Claude Project File is the canonical way to deploy a master system prompt and workflow superprompts — paste once, every chat references them.
Related terms
- Master System Prompt — A single coherent prompt that encodes a business's identity, voice, products, and constraints.
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