kestrel for VS Code

dev.workers.perch-app.kestrel/kestrel

Watch any URL for changes: baseline, then check for a diff. Free, no signup/key.

client:VS Code transport:streamable-http tools:4

Install kestrel in VS Code

.vscode/mcp.json

{
  "servers": {
    "kestrel": {
      "type": "http",
      "url": "https://kestrel.perch-app.workers.dev/mcp"
    }
  }
}

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