How do I install B20 Check?

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 B20 Check official?

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

This listing scores 45 (Fair). The formula is published on the methodology page.

B20 Check MCP Server — Install for Claude, Cursor & VS Code | MCPpedia

Verify B20 tokens on Base: issuer powers, imposter detection, signed EIP-712 verdicts.

RegistryRemote

45Fair

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

{
  "mcpServers": {
    "b20check-b20check": {
      "command": "npx",
      "args": [
        "-y",
        "b20check-mcp@0.1.1"
      ]
    }
  }
}

83Excellent

Parse Korean documents (HWP, HWPX, PDF, XLSX, DOCX, PPTX) to Markdown; fill forms, diff, render.

Registrychrisryugj2.5K stars44.2K/wk

75Good

Google PageSpeed Insights and CrUX: six workflow tools for web performance.