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substrate browser for VS Code

io.github.manuelinuxkr/substrate-browser

Token-first headless browser for AIs. Extracts a tiny semantic graph, cutting HTML bloat by 95%.

client:VS Code transport:stdio runtime:npm

Install substrate browser in VS Code

.vscode/mcp.json

{
  "inputs": [
    {
      "type": "promptString",
      "id": "substrate-proxy",
      "description": "SUBSTRATE_PROXY",
      "password": true
    },
    {
      "type": "promptString",
      "id": "substrate-viewport-width",
      "description": "SUBSTRATE_VIEWPORT_WIDTH",
      "password": true
    },
    {
      "type": "promptString",
      "id": "substrate-viewport-height",
      "description": "SUBSTRATE_VIEWPORT_HEIGHT",
      "password": true
    }
  ],
  "servers": {
    "substrate-browser": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "substrate-browser"
      ],
      "env": {
        "SUBSTRATE_PROXY": "${input:substrate-proxy}",
        "SUBSTRATE_VIEWPORT_WIDTH": "${input:substrate-viewport-width}",
        "SUBSTRATE_VIEWPORT_HEIGHT": "${input:substrate-viewport-height}"
      }
    }
  }
}

VS Code prompts for each input the first time the server starts, so no secret is written to the file. VS Code docs

substrate browser in other clients