# When to Use Milo

URL: /milo-cli/docs/about/when-to-use/
Section: about
Tags: about, decision

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Use Milo when the same code must serve more than one surface: A human command-line interface. A programmatic Python call. An MCP tool call from an agent. A discoverable llms.txt entry. A reducer-driven terminal app. Milo is especially useful when schemas, structured returns, and repairable errors matter. For a one-off local script that only parses argv and prints text, the standard library may be enough.

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Metadata:
- Author: lbliii
- Word Count: 65
- Reading Time: 1 minutes