heade.rs for VS Code

rs.heade/lookup

Look up any domain, IP address or AS number: hosting, DNS, registration, email, TLS and headers.

client:VS Code transport:streamable-http tools:1

Install heade.rs in VS Code

.vscode/mcp.json

{
  "servers": {
    "lookup": {
      "type": "http",
      "url": "https://heade.rs/mcp"
    }
  }
}

Requires agent mode. MCP: Open User Configuration puts the same block in every workspace. VS Code docs