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Install Colin

We recommend using uv to install and manage Colin. If you plan to use Colin in your project, add it as a dependency: 
uv add colin-py --prerelease=allow
Alternatively, install directly with pip or uv pip: 
uv pip install colin-py --prerelease=allow
Colin currently depends on a pre-release version of FastMCP. When using uv, you must include the --prerelease=allow flag. This requirement will be removed once FastMCP releases a stable version.

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Verify Installation

To verify that Colin is installed correctly, run: 
colin --version
You should see output like: 
0.1.0

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Requirements

  • Python 3.10 or higher
  • An LLM provider API key (for LLM blocks)

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Next Steps

Ready to get started? Head to the Quickstart to compile your first project.