FAQ

Frequently Asked Questions

Answers to the most common questions about Coder and its addons.

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General Questions

❓ What is Coder?

Coder is a lightweight scripting plugin that lets you automate your Minecraft server without needing Java knowledge. It's like Skript, but faster and with more features.

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❓ Is Coder free?

Yes! Coder is completely free and open-source under the MIT License.

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❓ Can I use Coder on Bukkit?

No, Coder requires Paper or Spigot (1.20+). Bukkit doesn't have the required APIs.

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❓ How much does Coder lag the server?

Very little! Coder is lightweight and optimized. Most users report no noticeable performance impact.

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❓ Can I run Coder on my own server?

Yes! Coder works on any server type:

• Self-hosted dedicated server
• Rented hosting (shared or dedicated)
• Docker containers
• Local test server

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❓ Do I need Java knowledge to use Coder?

No! Coder's syntax is simple and readable, similar to Skript. You can learn by examples.

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Installation & Setup

❓ Where do I download Coder?

Visit the Releases Page on GitHub or download from:

• Modrinth
• SpigotMC

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❓ My server won't start after installing Coder

Possible causes:

1. Wrong Java version (need 11+)
2. JAR file corrupted
3. File permissions issue
4. Conflicting plugin Solutions:
5. Delete the JAR and re-download
6. Check Java: java -version
7. Check folder permissions: chmod 755 /plugins/
8. Try removing other plugins to isolate the issue

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❓ How do I check if Coder installed correctly?

Run: /coder list

If you see a list (even empty), Coder is working!

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❓ The config.yml file won't generate

Cause: Server didn't shut down properly

Solution:

1. Stop server: /stop
2. Restart server
3. Coder will create the config on startup

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Script Questions

❓ What file extension should my scripts use?

Depends on language:

• CodeDSL: .cd
• JavaScript: .js
• Java: .java
• Python: .py
• Lua: .lua

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❓ Where do I put my script files?

In the /plugins/Coder/scripts/ folder.

Example:

/plugins/Coder/scripts/
├── hello.cd
├── announcer.cd
└── welcome.js

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❓ My script has a syntax error, how do I fix it?

1. Check console for error message
2. Review the line number mentioned
3. Compare with examples in Quick Start
4. Use /coder validate scriptname to verify syntax

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❓ Can my script access player data?

Yes! Coder gives you full Bukkit API access, so you can:

• Get player inventory
• Check permissions
• Teleport players
• Modify health/hunger
• And much more!

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❓ How do I make a script run automatically?

Option 1: Use every command in a script:

every 1m:
    broadcast "Automatic message!"

Option 2: Set load-on-startup: true in config.yml

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❓ Can I run scripts from other scripts?

Yes! With imports and connections:

import Connection
 
connectToFile "other-script.cd":
    # Communication here

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Performance & Optimization

❓ How do I improve script performance?

1. Load frequently-used scripts into memory: /coder load scriptname
2. Keep scripts focused and short
3. Use variables to cache data
4. Avoid heavy loops
5. Monitor with /coder admin stats

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❓ Will many scripts slow my server down?

Not significantly! You can have dozens of scripts with minimal impact. However:

• Keep individual scripts efficient
• Don't load unnecessary scripts
• Monitor TPS with /tps command

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❓ How often should I reload scripts?

You only need to reload scripts when you:

1. Modify the script file
2. Want to reset variables
3. Need to update logic Otherwise, let them run continuously.

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Permissions & Security

❓ How do I set up permissions?

See Commands page for permission setup with:

• LuckPerms
• PermissionsEx
• Built-in OP system Quick example:

/lp user Steve permission set coder.run true

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❓ Can users exploit my scripts?

Unlikely if you follow these practices:

1. Only give trusted admins script access
2. Never expose sensitive data in scripts
3. Validate all user input
4. Use obfuscated variables for secrets
5. Restrict file access in config

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❓ Is it safe to share my scripts?

Yes, but:

1. Remove any sensitive data (API keys, passwords)
2. Document what your script does
3. Include usage instructions
4. Test on a backup server first

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Addons

❓ What addons are available?

Official Addons:

1. CodeDSL v1.3.4 - DSL for simple scripting
2. CoderJSLoader v1.0.0 - Native JavaScript support
3. CoderJavaFixer - Security & compilation

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❓ Do I need to install addons?

No! Coder works great alone. Addons are optional and add specialized features.

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❓ Can I use multiple addons together?

Yes! You can install CodeDSL, CoderJSLoader, and CoderJavaFixer together without conflicts.

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❓ What's the difference between CodeDSL and regular Coder syntax?

Regular Coder (Modern Skript syntax):

broadcast "Hello"
send "Hi" to Steve

CodeDSL (Simplified domain language):

• Same functionality
• Slightly different syntax
• Same commands, different organization Choose based on preference!

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JavaScript-Specific

❓ How do I use JavaScript with Coder?

Install CoderJSLoader addon, then create .js files in /plugins/Coder/scripts/

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❓ Can JavaScript access Bukkit API?

Yes! CoderJSLoader pre-injects three objects:

• bukkit - Server instance
• api - Coder API
• sender - Command executor

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❓ Is JavaScript performance different than Skript?

Both are similar in performance. Choose based on:

• JavaScript: If you prefer JS syntax
• Skript: If you prefer readable syntax

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Troubleshooting

❓ My script runs but nothing happens

Causes:

1. Script has no output commands
2. Command names are misspelled
3. Variables aren't being used Fix: Add console.log to see execution:

console.log "Script is running!"
broadcast "Test message"

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❓ I get "permission denied" error

Cause: Player lacks permission

Fix: Grant permission:

/lp user <player> permission set coder.run true

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❓ Scripts won't reload

Cause: Cache or memory issue

Solutions:

1. Restart server
2. Use /coder reload scriptname
3. Clear cache: /coder admin cache clear

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❓ Server crashes after installing Coder

Causes:

1. Plugin conflict
2. Memory issue
3. Corrupted JAR Solutions:
4. Remove other recent plugins
5. Increase server RAM
6. Re-download Coder JAR

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❓ Where are the logs?

Script logs are in:

• /plugins/Coder/logs/ (debug logs)
• Server console (real-time output)

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Getting Help

❓ Where can I ask for help?

1. Discord Community: Join Discord
2. GitHub Issues: Report Issues
3. This Wiki: Search relevant pages

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❓ How do I report a bug?

1. Describe what you were doing
2. Share error message from console
3. Include your Coder version
4. Provide steps to reproduce
5. Post on GitHub Issues

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❓ Can I contribute to Coder?

Yes! See Contributing page for:

• Bug reports
• Feature requests
• Code contributions
• Documentation improvements

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Advanced Questions

❓ Can Coder interact with databases?

Yes! You can:

1. Read/write files
2. Execute HTTP requests
3. Connect to databases via Java/Python code

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❓ How do I debug complex scripts?

1. Enable debug mode: /coder debug on
2. Use console.log frequently
3. Review /plugins/Coder/logs/
4. Test small parts separately
5. Ask in Discord for help

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❓ What's the max script size?

No hard limit, but keep scripts reasonably sized:

• Recommended: Under 1000 lines
• Soft limit: 10,000 lines per script
• Split large scripts into multiple files

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❓ Can I package scripts for distribution?

Yes! To share scripts:

1. Clean up code
2. Add documentation
3. Remove sensitive data
4. Test thoroughly
5. Share via GitHub Gist or file

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Still Have Questions?

Not found what you're looking for?

1. Check other wiki pages: Home
2. Search GitHub discussions
3. Join Discord Community
4. Create a GitHub Issue We're happy to help! 🎉

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Last Updated: June 2026

Found an error or outdated info? Help improve the wiki!