langchain-runnableparallel-company-research LangChain RunnableParallel example: Research a company by running API calls in parallel. Demonstrates RunnablePassthrough.assign, partial failure handling, and a canonical Pydantic schema as the retrieval layer output. Production-ready pattern for parallel data collection in LangChain. Maintained by chrisipanaque on GitHub, where it has earned 42 stars from the community.