substrate browser for Claude Code
io.github.manuelinuxkr/substrate-browser
Token-first headless browser for AIs. Extracts a tiny semantic graph, cutting HTML bloat by 95%.
client:Claude Code
transport:stdio
runtime:npm
Install substrate browser in Claude Code
run in your project directory
claude mcp add substrate-browser -e SUBSTRATE_PROXY=<SUBSTRATE_PROXY> -e SUBSTRATE_VIEWPORT_WIDTH=<SUBSTRATE_VIEWPORT_WIDTH> -e SUBSTRATE_VIEWPORT_HEIGHT=<SUBSTRATE_VIEWPORT_HEIGHT> -- npx -y substrate-browserAdds it for this project only. Append --scope user to make it available everywhere. Claude Code docs