1  {
 2    "$schema": "https://opencode.ai/config.json",
 3    "mcp": {
 4      "arxiv": {
 5        "enabled": true,
 6        "type": "local",
 7        "command": [
 8          "nix",
 9          "run"
10        ],
11        "environment": {}
12      }
13    }
14  }