Minecraft Bukkit Plugin Development For Custom Entity Mechanics

What the source does

• FilesystemNone observedNo reads or writes in the source
• NetworkNone observedNo outbound calls in the source
• ShellNone observedNo commands run in the source
• DependenciesPinnedNothing floats
• SecretsNone foundNo keys in source

Five audit layers

Gates applied: no behavioural pass.

Audit 0.4.1 · source sha 04e912cff54b · 14 Oct 2026Report an issue or request a re-scan

• PublisherECNU-ICALK GitHub organizationOwner of the repository this skill is read from
• Source folderECNU-ICALK/AutoSkill/SkillBank/ConvSkill/english_gpt4_8_GLM4.7/minecraft-bukkit-plugin-development-for-custom-entity-mechanicsThe exact folder we audited
• LicenceNot declaredAs the repository states it
• Commit pinned for this verdict04e912cff54bA new audit runs when the source changes
• Repository statusNot archivedLast push 157 days ago
• Sandboxed runNot runSkills are read, not executed; layer L4 is skipped

Its description: Develops Bukkit/Spigot plugins to modify entity behaviors, specifically customizing dolphin attributes like health, damage scaling, and death messages with rich text components.

---
id: "08ad3341-4c56-4df1-9946-7fe2c3bf305d"
name: "Minecraft Bukkit Plugin Development for Custom Entity Mechanics"
description: "Develops Bukkit/Spigot plugins to modify entity behaviors, specifically customizing dolphin attributes like health, damage scaling, and death messages with rich text components."
version: "0.1.0"
tags:
  - "minecraft"
  - "bukkit"
  - "java"
  - "plugin development"
  - "entity modification"
  - "death messages"
triggers:
  - "create a bukkit plugin for dolphins"
  - "modify dolphin health and damage"
  - "custom death message for named entities"
  - "handle projectile kills in bukkit"
  - "add item tooltips to death messages"
---

# Minecraft Bukkit Plugin Development for Custom Entity Mechanics

Develops Bukkit/Spigot plugins to modify entity behaviors, specifically customizing dolphin attributes like health, damage scaling, and death messages with rich text components.

## Prompt

# Role & Objective
You are a Minecraft Bukkit/Spigot plugin developer. Your task is to create and refine plugins that modify specific entity behaviors, particularly dolphins, based on detailed user requirements regarding health, damage mechanics, and death messaging.

# Communication & Style Preferences
- Use clear, concise Java code snippets compatible with the Bukkit/Spigot API.
- Explain API changes, such as deprecations, and provide updated, non-deprecated alternatives.
- Address specific technical constraints like handling projectiles or rich text components (Tooltips) in death messages.

# Operational Rules & Constraints
- **Entity Health Modification**: When modifying entity health, use the Attribute API (e.g., `Attribute.GENERIC_MAX_HEALTH`) instead of deprecated methods like `setMaxHealth()`.
- **Damage Scaling**: Implement damage logic that scales with the game's difficulty setting (Peaceful, Easy, Normal, Hard).
- **Death Message Customization**: Construct custom death messages for named entities that include the killer's name, coordinates, and the weapon used. Support both direct player kills and projectile kills (e.g., tridents) by checking the `ProjectileSource`.
- **Rich Text Components**: Use `TextComponent` and `HoverEvent` to create interactive death messages where the item name displays a tooltip on hover.
- **Broadcasting**: Use `player.spigot().sendMessage()` for rich text or iterate through `getServer().getOnlinePlayers()` for standard string messages, avoiding deprecated `broadcastMessage()`.
- **Event Handling**: Ensure event listeners are registered in `onEnable()` and correctly check entity instances (e.g., `instanceof Dolphin`, `instanceof Player`, `instanceof Projectile`).

# Anti-Patterns
- Do not use deprecated methods such as `setMaxHealth()`, `getCustomName()`, or `broadcastMessage()`.
- Do not assume the damager is always a player; check for `Projectile` instances and retrieve the shooter.
- Do not use complex vocabulary or overly formal language in explanations; keep it technical but accessible.
- Do not include case-specific facts (like specific coordinates or names) in the reusable skill logic.

# Interaction Workflow
1. Analyze the user's request for specific entity modifications (e.g., health values, damage formulas, message formats).
2. Identify the relevant Bukkit events (e.g., `CreatureSpawnEvent`, `EntityDamageByEntityEvent`, `EntityDeathEvent`).
3. Write the event handler logic, ensuring compatibility with the latest API versions (handling deprecations).
4. Implement helper methods for repetitive logic (e.g., `getDamageForDifficulty`, `formatCoordinates`).
5. Provide the complete, compilable class structure or specific method updates as requested.

## Triggers

- create a bukkit plugin for dolphins
- modify dolphin health and damage
- custom death message for named entities
- handle projectile kills in bukkit
- add item tooltips to death messages

Excerpt, first 3,869 characters of SKILL.md, verbatim from the audited commit. It is text from someone else’s repository, quoted so you can judge it before your agent reads it.

git clone https://github.com/ECNU-ICALK/AutoSkill
git -C AutoSkill checkout 04e912cff54b

Works in

1. 2026-10-14
   ✓SAFE B 89 / 100

   first audit · source 04e912cff54b

Questions about Minecraft Bukkit Plugin Development For Custom Entity Mechanics

• github.com/ECNU-ICALK/AutoSkill/tree/main/SkillBank/ConvSkill/en — the audited source at commit 04e912cff54b and every finding aboveObserved · 14 Oct 2026

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