AgentIndex icon
AgentIndex
opencode-browser logo
opencode-browser
★ 107
vs
plasmate logo
plasmate
★ 38

opencode-browser vs plasmate

opencode-browser: The OpenCode Browser MCP Plugin integrates browser automation into OpenCode through the Browser MCP extension. It allows AI agents to navigate websites, fill forms, and perform other browser tasks with optimized performance. The plugin provides speed-oriented guidance, tool-specific hints, and fast retry behavior.; plasmate: Plasmate compiles HTML into a Semantic Object Model (SOM), a structured representation that LLMs can reason about directly. It runs JavaScript via V8, supports Puppeteer via CDP, and produces output that is 10-800x smaller than raw HTML. It is purpose-built for AI agent pipelines, with MCP, Vercel AI SDK integrations, and over 60 ecosystem integrations.

01

TL;DR

opencode-browser logo
opencode-browserBrowser Automation · ★ 107

Navigate to websites and search for content

Read opencode-browser full review →
plasmate logo
plasmateBrowser Automation · ★ 38

AI agent web browsing and structured data extraction

Read plasmate full review →
02

Side-by-Side Comparison

Field
opencode-browser logoopencode-browser
plasmate logoplasmate
Category
Browser Automation
Browser Automation
Stars
★ 107
★ 38
License
MIT
Apache-2.0
Install Command
npx opencode-browser init
curl -fsSL https://plasmate.app/install.sh | sh
Updated
1w ago
1d ago
Open Source
Yes
Yes
Website
↗ Visit
↗ Visit
GitHub
↗ GitHub
↗ GitHub
Tags
ai-coding-assistant, ai-plugin, browser-automation
agent-web-protocol, ai-agents, browser-engine
03

Features

opencode-browser logoopencode-browser
01Full browser automation support through Browser MCP
02Speed-oriented browser guidance injected into the model prompt
03Tool-specific performance hints for expensive browser actions
04Fast retry behavior with no artificial reconnect backoff in the plugin
05Automatic detection of browser-related tasks
plasmate logoplasmate
01Semantic Object Model (SOM) compression: 10-800x smaller than raw HTML
02JavaScript execution via embedded V8 engine
03CDP compatibility for Puppeteer integration
04Native AWP protocol with 7 methods for agent interaction
05MCP tool server for Claude Desktop, VS Code Copilot, etc.
04

Use Cases

opencode-browser logoopencode-browser
↳Navigate to websites and search for content
↳Fill in and submit forms automatically
↳Scrape data from web pages
plasmate logoplasmate
↳AI agent web browsing and structured data extraction
↳MCP tool server for LLM-based assistants (e.g., Claude Desktop)
↳Vercel AI SDK integration for agent tool calling
FAQ

FAQ

What is the difference between opencode-browser and plasmate?
Both opencode-browser and plasmate are in the Browser Automation category. opencode-browser has 107 stars, while plasmate has 38 stars.
Which is better, opencode-browser or plasmate?
The best choice depends on your use case. Choose opencode-browser if Navigate to websites and search for content, and plasmate if AI agent web browsing and structured data extraction.
Is opencode-browser free or open source?
Yes, opencode-browser is open source on GitHub (MIT).
Is plasmate free or open source?
Yes, plasmate is open source on GitHub (Apache-2.0).
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Related

Alternatives to opencode-browser →Alternatives to plasmate →opencode-browser details →plasmate details →