autogen-plasmate

Plasmate web browsing tool for AutoGen agents. Get clean semantic page content using 10-16x fewer tokens than Chrome.

Install

pip install autogen-plasmate

Usage

from autogen import ConversableAgent, register_function
from autogen_plasmate import plasmate_fetch

assistant = ConversableAgent("assistant", llm_config={"model": "gpt-4o"})
user = ConversableAgent("user", human_input_mode="NEVER")
register_function(plasmate_fetch, caller=assistant, executor=user,
                  name="plasmate_fetch", description="Fetch a web page as semantic content")
user.initiate_chat(assistant, message="Fetch https://example.com and summarize it")

What is Plasmate?

Plasmate is a lightweight web browsing engine for AI agents. It returns a Semantic Object Model (SOM) instead of raw HTML, reducing token usage by 10-16x compared to headless Chrome.

Links

• Plasmate Documentation
• W3C Web Agents Community Group
• GitHub

License

Apache 2.0

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Part of the Plasmate Ecosystem

Engine	plasmate - The browser engine for agents
MCP	plasmate-mcp - Claude Code, Cursor, Windsurf
Extension	plasmate-extension - Chrome cookie export
SDKs	Python / Node.js / Go / Rust
Frameworks	LangChain / CrewAI / AutoGen / Smolagents
Tools	Scrapy / Audit / A11y / GitHub Action
Resources	Awesome Plasmate / Notebooks / Benchmarks
Docs	docs.plasmate.app
W3C	Web Content Browser for AI Agents