Token-first headless browser for AIs. Extracts a tiny semantic graph, cutting HTML bloat by 95%.
Runs locally over stdio
This server isn't hosted — your MCP client launches it from a package registry. Use one of the commands below, or drop the config into your client (e.g. Claude Desktop).
Run
npx -y substrate-browser
MCP client config
{
"mcpServers": {
"substrate-b": {
"command": "npx",
"args": [
"-y",
"substrate-browser"
]
}
}
}