substrate browser for Claude Desktop
io.github.manuelinuxkr/substrate-browser
Token-first headless browser for AIs. Extracts a tiny semantic graph, cutting HTML bloat by 95%.
client:Claude Desktop
transport:stdio
runtime:npm
Install substrate browser in Claude Desktop
~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json
{
"mcpServers": {
"substrate-browser": {
"command": "npx",
"args": [
"-y",
"substrate-browser"
],
"env": {
"SUBSTRATE_PROXY": "<SUBSTRATE_PROXY>",
"SUBSTRATE_VIEWPORT_WIDTH": "<SUBSTRATE_VIEWPORT_WIDTH>",
"SUBSTRATE_VIEWPORT_HEIGHT": "<SUBSTRATE_VIEWPORT_HEIGHT>"
}
}
}
}
Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs