Marvin is an AI engineering framework that lets you build natural language interfaces powered by LLMs as regular Python functions. Just add a decorator and docstring - no manual prompting needed! #AI
Marvin is an open source AI engineering framework that enables directly leveraging large language models (LLMs) to power robust and scalable natural language interfaces in Python applications. 💬
It introduces two key concepts:
🎯 AI Functions - Write Python functions and have LLMs implement them based on the signature and docstring descriptions. No manual prompting needed.
🤖 AI Assistants - Build stateful conversational interfaces using familiar programming concepts like functions and tools.
Marvin handles:
✏️ Auto-generating optimized prompts tailored to each LLM
📝 Bootstrapping training data when needed
⚙️ Managing concurrency, caching, errors
🧑🔬 Observability, monitoring and validation
This means product developers and ML engineers can build and iterate on production-grade NLP systems rapidly without ops overhead.
Whether creating a next-gen conversational interface or leveraging LLMs for certain features, Marvin simplifies the process end-to-end. 🚀
- 💻Developer Experience - LLMs feel like regular Python—no context switching from prompts.
- 📦 Modularity - Components are reusable across models with no code changes needed.
- 💪 Reliability - Handles errors, monitoring, and caching, unlike manual prompting.
- 📈 Consistency - Automated prompt optimization maintains quality over time.
- ⏩ Velocity - 10x faster innovation cycles with radically simplified leverage.
In summary, Marvin enables AI engineers to build scalable, production-grade NLP systems by abstracting away almost all the undifferentiated heavy lifting. This multiplied leverage allows one to focus innovation purely on user-facing capabilities.
- 👷🏽♀️ Builders: Jeremiah Lowin, Nate Nowack, Adam Azzam, Jeff Hale
- 👩🏽💼 Builders on LinkedIn: https://www.linkedin.com/in/jlowin/, https://www.linkedin.com/in/nate-nowack-a6b59b143/, https://www.linkedin.com/in/adam-azzam/, https://www.linkedin.com/in/-jeffhale/
- 👩🏽🏭 Builders on X: https://twitter.com/jlowin, https://twitter.com/AAAzzam, https://twitter.com/discdiver
- 💾 Used in 100 repositories
- 👩🏽💻 Contributors: 29
- 💫 GitHub Stars: 3.9k
- 🍴 Forks: 399
- 👁️ Watch: 38
- 🪪 License: Apache-2.0
- 🔗 Links: Below 👇🏽
- GitHub Repository: https://github.com/prefecthq/marvin
- Official Website: https://www.askmarvin.ai/
- LinkedIn Page: https://www.linkedin.com/company/prefect/
- X Page: https://twitter.com/PrefectIO
- Discord Server: https://discord.com/invite/Kgw4HpcuYG
- Profile in The AI Engineer: https://github.com/theaiengineer/awesome-opensource-ai-engineering/blob/main/libraries/marvin.md
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