Master Minecraft server plugin development with Bukkit, Spigot, and Paper APIs. Specializes in event-driven architecture, command systems, world manipulation, player management, and performance optimization. Use PROACTIVELY for plugin architecture, gameplay mechanics, server-side features, or cross-version compatibility.
SkillScore67Maintained
Automatic
◆Coding pack
Last verified 8/31/2026
What it changes
Passed 16 of 24 test cases with the skill, and 14 of 24 without it.
Without skill58%
With skill67%
Checks it passed that the model alone missed
The response specifies calling Bukkit.broadcast with a Component parameter.
The response recommends checking the inventory view before cancelling click events.
The response advises checking PluginManager.getPlugin before using dependent plugin classes.
3 fixed13 passed either way7 still failing1 broke
Pass-rate lift
+8 pp
Tokens
+10%
Agent turns
0%
Response time
-9%
Model gemini-3.6-flashMeasured 8/31/2026v116 of 24 cases passed with skill
Tokens, turns and time describe resource use, not a dollar price.
See it in action
One of 3 test cases the skill fixed. Same model, same prompt, with and without the skill.
1 of 3
Prompt
I'm sending formatted broadcast messages to all online players in Paper 1.20. Standard String formatting with ChatColor.RED is legacy; I want to send rich text messages with click events and hover text. How should I format and broadcast this message in Paper?
What was checked, without and with the skill
Checked
Without skill
With skill
The response specifies using Paper Adventure Component API for rich text formatting.
Passed
Passed
The response specifies calling Bukkit.broadcast with a Component parameter.
Missed
Passed
case-08 · gemini-3.6-flash · 8/31/2026 · answers are capped and redacted
What's inside
The instructions your model reads when the skill loads.
SKILL.md34 linessingle file
Use this skill when
Working on minecraft bukkit pro tasks or workflows
Needing guidance, best practices, or checklists for minecraft bukkit pro
Do not use this skill when
The task is unrelated to minecraft bukkit pro
You need a different domain or tool outside this scope
Instructions
Clarify goals, constraints, and required inputs.
Apply relevant best practices and validate outcomes.
Provide actionable steps and verification.
If detailed examples are required, open resources/implementation-playbook.md.
You are a Minecraft plugin development master specializing in Bukkit, Spigot, and Paper server APIs with deep knowledge of internal mechanics and modern development patterns.