How do I install substrate-browser?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

Is substrate-browser official?

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 50 (Fair). The formula is published on the methodology page.

MCPpedia

substrate-browser MCP Server | MCPpedia

substrate-browser MCP Server

Name: substrate-browser MCP Server
Author: manuelinuxkr

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

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Registrymanuelinuxkr

50Fair

Install

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "manuelinuxkr-substrate-b": {
      "command": "npx",
      "args": [
        "-y",
        "substrate-browser@2.0.2"
      ],
      "env": {
        "SUBSTRATE_PROXY": "",
        "SUBSTRATE_VIEWPORT_WIDTH": "",
        "SUBSTRATE_VIEWPORT_HEIGHT": ""
      }
    }
  }
}

Install guide

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Environment

Name	Required	Notes
SUBSTRATE_PROXY	No	Optional egress proxy URL (http/socks) to route all Chromium traffic through, mitigating SSRF and DNS rebinding risks.
SUBSTRATE_VIEWPORT_WIDTH	No	Browser viewport width in pixels (Default: 1280)
SUBSTRATE_VIEWPORT_HEIGHT	No	Browser viewport height in pixels (Default: 800)

substrate-browser MCP Server

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