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mcp/harbor
Cursor

ChatCrystal for Cursor

io.github.zengliangyi/chatcrystal

Local-first AI PKM memory for coding conversations.

client:Cursor transport:stdio runtime:npm

Install ChatCrystal in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "chatcrystal": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "chatcrystal"
      ],
      "env": {
        "CHATCRYSTAL_BASE_URL": "<CHATCRYSTAL_BASE_URL>",
        "CHATCRYSTAL_API_TOKEN": "<CHATCRYSTAL_API_TOKEN>"
      }
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs

ChatCrystal in other clients

ChatCrystal MCP server