AgentBridge: open-source compatibility layer to swap agent frameworks painlessly
0sparsh2 · reddit · 2026-09-15
Developer 0sparsh2 released AgentBridge, a non-commercial open-source compatibility layer between your application and agent frameworks. Define instructions, tools and expected output once in a shared AgentSpec, then pick the framework at runtime. Ships with verified LangGraph and Pydantic AI adapters, a unified result/streaming-event interface, and CLI tools for capability inspection; OpenAI Agents SDK, Strands, LangChain and Google ADK are partially supported. Framework-specific strengths are preserved via explicit capability reports, extensions and native-object access. The author is soliciting real-world migration pain points to stress-test the design.
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