Keystone for VS Code

pro.keystone-core/keystone

C4 architecture model of your system, built from code by your AI and read back as focused context.

client:VS Code transport:streamable-http

Install Keystone in VS Code

.vscode/mcp.json

{
  "servers": {
    "keystone": {
      "type": "http",
      "url": "https://keystone-core.pro/mcp"
    }
  }
}

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