Prefect is workflow orchestration and AI infrastructure for Python. Turn a function into a production workflow with one decorator. The open-source core (Apache 2.0) sits under a managed cloud product, alongside FastMCP for building MCP servers and Prefect Horizon for deploying them.

Used by Cash App, Cisco, NASA, Meta, 1Password, WHOOP, Square, Ashby, and others. The open-source Prefect repo has 18k+ GitHub stars and 6M+ monthly downloads. FastMCP runs at 24.9k+ stars and 67M+ monthly downloads.

Mission framed as "automation for the context era."

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