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PocketFlow
Minimalist LLM Framework in 100 Lines. Enable LLMs to Program Themselves.
Stars: 512
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Pocket Flow is a 100-line minimalist LLM framework designed for (Multi-)Agents, Workflow, RAG, etc. It provides a core abstraction for LLM projects by focusing on computation and communication through a graph structure and shared store. The framework aims to support the development of LLM Agents, such as Cursor AI, by offering a minimal and low-level approach that is well-suited for understanding and usage. Users can install Pocket Flow via pip or by copying the source code, and detailed documentation is available on the project website.
README:
A 100-line minimalist LLM framework for (Multi-)Agents, Workflow, RAG, etc.
-
Install via
pip install pocketflow
, or just copy the source code (only 100 lines). -
If the 100 lines are too terse, check out a friendlier intro.
-
Documentation: https://the-pocket.github.io/PocketFlow/
Pocket Flow lets you build LLM apps simply by chatting with LLM agents (like Cursor AI)—no need for any manual coding.
- 📝 You describe your requirements in conversation or a design doc.
- 🤖 The agent writes and refines your code automatically.
- 💬 You stay in the loop just by chatting—never by writing boilerplate code or wrestling with complex libraries.
Compared to other frameworks, Pocket Flow is purpose-built for LLM Agents:
- 🫠 LangChain-like frameworks overwhelm Cursor AI with complex and outdated abstractions.
- 😐 Ironically, No Framework is better as it yields functional code—but it ends up ad hoc, one-shot, and hard to maintaina.
- 🥰 With Pocket Flow: (1) Minimal and expressive—easy for Cursor AI. (2) Nodes and Flows keep everything modular and organized. (3) A Shared Store decouples your data structure from compute logic.
In short, the 100 lines ensures Cursor AI follows solid coding practices without sacrificing flexibility. To start:
-
Cursor Rules: Copy .cursorrules into your project’s root.
-
ChatGPT & Claude: Create a project (ChatGPT andClaude) and upload the docs folder to project knowledge.
The 100 lines capture what we believe to be the core abstraction of LLM projects:
- Computation: A graph that breaks down tasks into nodes, with branching, looping, and nesting.
- Communication: A shared store that all nodes can read and write to.
From there, it’s easy to implement popular design patterns like (Multi-)Agents, Workflow, RAG, etc.
- To learn more about how it works, check out the documentation
- For an in-depth dive into the design, check out the essay
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PocketFlow
Pocket Flow is a 100-line minimalist LLM framework designed for (Multi-)Agents, Workflow, RAG, etc. It provides a core abstraction for LLM projects by focusing on computation and communication through a graph structure and shared store. The framework aims to support the development of LLM Agents, such as Cursor AI, by offering a minimal and low-level approach that is well-suited for understanding and usage. Users can install Pocket Flow via pip or by copying the source code, and detailed documentation is available on the project website.
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