Postcard for VS Code

com.clawhard/postcard

Check a link's share card on X, Facebook, LinkedIn: real image size, tag problems, fixed tags.

client:VS Code transport:streamable-http tools:2

Install Postcard in VS Code

.vscode/mcp.json

{
  "servers": {
    "postcard": {
      "type": "http",
      "url": "https://postcard.clawhard.com/mcp"
    }
  }
}

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