Promptster for VS Code

io.github.promptster-dev/promptster

Test and compare prompts across any AI provider. Bring your own keys.

client:VS Code transport:streamable-http

Install Promptster in VS Code

.vscode/mcp.json

{
  "servers": {
    "promptster": {
      "type": "http",
      "url": "https://www.promptster.dev/mcp"
    }
  }
}

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