fix(mem0): improve Mem0 service reliability and add get_memories() method#4156
Merged
markbackman merged 5 commits intomainfrom Mar 26, 2026
Merged
fix(mem0): improve Mem0 service reliability and add get_memories() method#4156markbackman merged 5 commits intomainfrom
markbackman merged 5 commits intomainfrom
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Move blocking Mem0 API calls off the event loop using asyncio.to_thread(). Store messages as a fire-and-forget background task via create_task() since the result is not needed. Insert memory messages at the configured position in the context instead of always appending. Closes #1741
Mem0 API only accepts user and assistant roles. Filter out system, developer, and other roles before calling add() to avoid 400 errors.
Expose a public method for retrieving all stored memories outside the pipeline, avoiding the need for callers to reimplement client branching, OR filter construction, and asyncio.to_thread wrapping. Simplify the example get_initial_greeting() to use it.
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kompfner
approved these changes
Mar 26, 2026
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Summary
Mem0MemoryServiceblocking the event loop — all Mem0 API calls (add,search,get_all) now run in background threads viaasyncio.to_thread(), and message storage is fire-and-forget viacreate_task()Mem0MemoryService.get_memories()convenience method for retrieving all stored memories outside the pipeline (e.g. for personalized greetings at connection time)positionin the context instead of always being appendedmem0aidependency from~=0.1.94to>=1.0.8,<237-mem0.pyexample to useget_memories()and simplified the greeting logicBreaking Changes
mem0aidependency updated from~=0.1.94to>=1.0.8,<2. Users of themem0extra will need to update their mem0ai package.Testing
uv run ruff check src/pipecat/services/mem0/memory.py examples/foundational/37-mem0.pyexamples/foundational/37-mem0.pyand verify personalized greeting includes memory contentFixes #1741