WhichModel for VS Code

io.github.which-model/whichmodel

Cost-optimized LLM model routing recommendations for autonomous AI agents

client:VS Code transport:streamable-http

Install WhichModel in VS Code

.vscode/mcp.json

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

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