LangChain Notepad Middleware
A production-grade LangChain middleware that provides a plain-text persistent "scratchpad" (notepad) for agents to store intermediate state across multi-hop tasks.
Installation
pip install langchain-notepad-middleware
Usage
from langchain.agents import create_agent
from langchain_middleware_notepad import NotePadMiddleware
# Create an agent with the middleware
agent = create_agent(
model="openai:gpt-4o",
tools=[...], # Your other tools
middleware=[NotePadMiddleware()],
)
How it Works
The middleware injects a system prompt instructing the model to use the notepad for scratchpad memory. It also registers 5 tools for manipulating the notepad state:
notepad_append(text): Append text to the note.notepad_replace(text): Overwrite the entire note.notepad_read(): Read the current note content.
The state is stored in a simple string field notepad within the agent state.
1 maintainer
Metadata
1 maintainer
Release files for langchain-notepad-middleware 0.1.1
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| langchain_notepad_middleware-0.1.1.tar.gz | 5.8 kB | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| langchain_notepad_middleware-0.1.1-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 12.0 kB
Release files / langchain_notepad_middleware-0.1.1.tar.gz
| Download URL | langchain_notepad_middleware-0.1.1.tar.gz |
|---|---|
| Size | 5.8 kB |
| Tags | Source |
|
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Release files / langchain_notepad_middleware-0.1.1-py3-none-any.whl
| Download URL | langchain_notepad_middleware-0.1.1-py3-none-any.whl |
|---|---|
| Size | 6.3 kB |
| Tags | Python 3 |
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