Agno is an open-source Python framework for building agents, teams and workflows with memory, knowledge and tools. It is distributed under the Apache-2.0 licence. Its runtime, AgentOS, serves agents over REST, MCP and chat channels and is managed through a control plane. The product was previously called Phidata and was renamed in January 2025. Developers install the framework and run it on their own infrastructure.
The company is based in New York, United States; the legal entity is not named on the website. The site states that data stays in the customer's own database and that agents run in the customer's own cloud, and it does not describe a hosted option. Because the code is open source and the runtime can run on infrastructure the organisation chooses, the main questions are the choice of cloud and model providers and the reliance on a US company's control plane. European organisations can keep data in the EU by choosing EU hosting and EU model endpoints.