curl -X GET https://api.thinnest.ai/v2/tools/{agent_id}/{tool_id} \
  -H "Authorization: Bearer $THINNESTAI_API_KEY"

{
  "id": "tool_abc123",
  "name": "check_inventory",
  "type": "function",
  "description": "Check product inventory levels",
  "parameters": {
    "type": "object",
    "properties": {
      "product_id": {"type": "string"}
    }
  },
  "endpoint_url": "https://api.example.com/inventory",
  "method": "GET",
  "created_at": "2026-03-25T10:00:00Z",
  "updated_at": "2026-03-25T10:00:00Z"
}