The latest articles on DEV Community by fan敬文 (@fan_929d702ddbbf4d65847). https://dev.to/fan_929d702ddbbf4d65847 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3730492%2F54ba5c6b-21a1-44ba-94ab-9d3dc21e5596.png https://dev.to/fan_929d702ddbbf4d65847 en fan敬文 Sat, 24 Jan 2026 17:14:07 +0000 https://dev.to/fan_929d702ddbbf4d65847/openai-agent-runtime-building-resilient-agent-160a https://dev.to/fan_929d702ddbbf4d65847/openai-agent-runtime-building-resilient-agent-160a <p>OpenAI Agent Runtime extends the basic runner SDK to provide a full-fledged engine for long-running, stateful and recoverable agent systems.</p> <p>Key features:</p> <ul> <li>Robust lifecycle management (INIT, PLANNING, EXECUTING, OBSERVING, TERMINATED/FAILED).</li> <li>Dual-layer persistence: machine-readable JSONL event stream + human-readable Markdown trace.</li> <li>Checkpoint &amp; resume: state saved after each step, resume with <code>resume_from</code>.</li> <li>MCP &amp; local model support: works with Model Context Protocol servers and local models (Ollama, vLLM).</li> <li>Interactive REPL demo for experimentation. <a href="https://github.com/study8677/openai-agent-runtime" rel="noopener noreferrer">https://github.com/study8677/openai-agent-runtime</a> Getting started: clone the repo, install dependencies, run the REPL demo with your OpenAI API key. Contributions welcome. Applications</li> </ul> agents ai openai opensource