Certspotter MCP Server: Install & Setup

Install Certspotter in Claude Code

Claude Code

claude mcp add certspotter -- npx -y certspotter-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "certspotter": {
      "command": "npx",
      "args": [
        "-y",
        "certspotter-mcp"
      ]
    }
  }
}

Certificate transparency lookups from Cert Spotter. No key required.

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

Run: claude mcp add certspotter -- npx -y certspotter-mcp

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