SideButton
Open-source MCP server with 40+ browser automation tools, YAML workflow engine, and installable domain knowledge packs. Includes Chrome extension for real DOM access, REST API, and Svelte dashboard. Works with Claude Code, Cursor, Claude Desktop, and any MCP client.
Overview
What is SideButton MCP Server?
SideButton is an open-source AI agent platform that combines an MCP server, Chrome extension, YAML workflow engine, and domain knowledge packs into a single tool.
Key Features
- 40+ MCP Tools — Browser control, workflow execution, and knowledge pack access via stdio and SSE transports
- YAML Workflow Engine — 34+ step types including browser automation, shell commands, LLM calls, and control flow
- Chrome Extension — Real DOM access via CSS selectors, recording mode, and WebSocket connection
- Knowledge Packs — Installable domain knowledge per web app: selectors, data models, state machines, role playbooks
- REST API — 60+ endpoints to trigger workflows from webhooks, cron jobs, or other agents
- Dashboard — Svelte UI for workflow management, run logs, and system status
Quick Start
npx sidebutton@latest
MCP Integration
Works with Claude Code, Cursor, Claude Desktop, VS Code, Windsurf, ChatGPT, and any MCP client.
Links
Server Config
{
"mcpServers": {
"sidebutton": {
"command": "npx",
"args": [
"sidebutton@latest"
]
}
}
}Recommend Servers
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