Shypd.aiThe largest open index of AI toolsAgent File (.af) is an open file format for serializing stateful AI agents with persistent memory and behavior. It allows users to share, checkpoint, and version control agents across compatible frameworks.
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Agent File (.af) is an open standard file format designed for serializing stateful AI agents. Originally developed for the Letta framework, it provides a portable method for sharing agents that retain their persistent memory and behavior. This format packages all essential components of a stateful agent, including system prompts, editable memory (personality and user information), tool configurations (code and schemas), and LLM settings. By standardizing these elements, Agent File facilitates seamless transfer between compatible frameworks, enabling easy checkpointing and version control of agent states. It addresses the need for a common standard in the rapidly growing AI agent development ecosystem, promoting portability, collaboration, preservation, and versioning of AI agents.
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