substrate-browser
Token-first headless browser for AIs. Extracts a tiny semantic graph, cutting HTML bloat by 95%.
Install
npmstdio
npx -y substrate-browser Client config (Claude Desktop, Cursor, Windsurf and most MCP clients)
{
"mcpServers": {
"io-github-manuelinuxkr-substrate-browser": {
"command": "npx",
"args": [
"-y",
"substrate-browser"
]
}
}
} Source: official MCP Registry record · registry name io.github.manuelinuxkr/substrate-browser · published 2026-09-01 · updated 2026-09-01. Not an endorsement; review the code before connecting it to anything sensitive.