In Pokémon Violet, one of the easiest legendary Pokémon to catch is Kubfu. Here’s a step-by-step guide to help you catch Kubfu:

### Step-by-Step Guide to Catching Kubfu in Pokémon Violet

1. **Complete the Main Storyline:**
– Ensure you have finished the main storyline of the game. This is a prerequisite to unlock Kubfu and other legendary Pokémon.

2. **Visit Mr. Snackworth:**
– After completing the main storyline, head to the Blueberry Academy’s Entrance. There, you will find Mr. Snackworth.

3. **Complete Blueberry Quests:**
– Mr. Snackworth will give you special snacks that make legendary Pokémon spawn in Paldea. Complete the necessary Blueberry Quests to receive these snacks.

4. **Find Kubfu:**
– Kubfu can be found in the East Province (Area Three) of Paldea. It is located in a specific area where you need to interact with it to initiate a battle.

5. **Battle Kubfu:**
– When you encounter Kubfu, it will be at level 30. Use a strategy such as putting it to sleep or paralyzing it to increase your chances of catching it.

6. **Catch Kubfu:**
– Use a Poké Ball to catch Kubfu. Since Kubfu has a relatively low catch rate, it might take a few attempts. Using a False Swipe move alongside a status condition move can help reduce its HP without knocking it out, making it easier to catch.

### Additional Tips:
– **Catch Rate:** Kubfu has a relatively low catch rate, but it is still one of the easier legendary Pokémon to catch compared to others.
– **Master Ball:** If you have a Master Ball, it is highly recommended to use it to catch Kubfu, as it guarantees the catch.

By following these steps, you should be able to catch Kubfu in Pokémon Violet with relative ease.