MCP server for PinchTab — control Chrome (or any Chromium browser) via accessibility tree snapshots through the Model Context Protocol.
PinchTab is included as a dependency and starts automatically — no manual setup required.
npx pinchtab-mcpOr install globally:
npm install -g pinchtab-mcp
pinchtab-mcpRelated MCP server: Playwright MCP
Claude Desktop — add to ~/Library/Application Support/Claude/claude_desktop_config.json:
{
"mcpServers": {
"pinchtab": {
"command": "npx",
"args": ["-y", "pinchtab-mcp"]
}
}
}With a custom browser (see Configuration):
{
"mcpServers": {
"pinchtab": {
"command": "npx",
"args": ["-y", "pinchtab-mcp"],
"env": {
"CHROME_BINARY": "/Applications/Yandex.app/Contents/MacOS/Yandex",
"BRIDGE_HEADLESS": "false"
}
}
}
}Cursor / VS Code — add to .cursor/mcp.json or .vscode/mcp.json:
{
"servers": {
"pinchtab": {
"command": "npx",
"args": ["-y", "pinchtab-mcp"]
}
}
}Claude Code:
claude mcp add pinchtab -- npx -y pinchtab-mcpVariable | Default | Description |
|
| PinchTab API endpoint |
| (empty) | Auth token (must match PinchTab's |
| (auto-detect) | Explicit path to PinchTab binary |
Binary lookup order: PINCHTAB_BIN → node_modules/.bin/pinchtab → system PATH.
PinchTab itself is configured via env variables or a config file (~/.config/pinchtab/config.json):
Variable | Default | Description |
| (bundled Chromium) | Path to browser binary — use this for Yandex Browser, Brave, Edge, etc. |
| (none) | Connect to an already-running browser's DevTools (e.g. |
|
| Set to |
|
| PinchTab HTTP API port |
| (none) | Protect the API with an auth token |
|
| Browser profile directory (cookies, sessions) |
|
| Max open tabs |
|
| Block ads |
|
| Block image loading (faster scraping) |
|
| Block video/audio |
|
| Disable CSS animations |
|
| Anti-detection level |
| (system) | Override timezone |
| (auto) | Override User-Agent |
| (none) | Extra flags passed to the browser |
# Yandex Browser
CHROME_BINARY="/Applications/Yandex.app/Contents/MacOS/Yandex" npx pinchtab-mcp
# Brave
CHROME_BINARY="/Applications/Brave Browser.app/Contents/MacOS/Brave Browser" npx pinchtab-mcp
# Microsoft Edge
CHROME_BINARY="/Applications/Microsoft Edge.app/Contents/MacOS/Microsoft Edge" npx pinchtab-mcp
# Visible browser (non-headless) for debugging
BRIDGE_HEADLESS=false npx pinchtab-mcp
# Custom window size (default: random common resolution for stealth)
CHROME_FLAGS="--window-size=1920,1080" npx pinchtab-mcp
# Connect to an existing browser session (keeps your tabs, cookies, logins)
CDP_URL="http://localhost:9222" npx pinchtab-mcpFor tools reference, project structure, agent workflow, and code style see PROJECT_INDEX.md.
See CONTRIBUTING.md.
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