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Validates skin pack content including skins.json structure, skin textures, capes, localization keys, and model configurations.
Rules Summary
| Rule ID | Rule | Severity | Auto-Fix |
|---|---|---|---|
| CSPJ101 | Missing skins.json | 🔴 Error | |
| CSPJ102 | Invalid JSON | 🔴 Error | |
| CSPJ103 | Name Mismatch | 🔴 Error | |
| CSPJ105 | Duplicate Texture | 🟡 Warning | |
| CSPJ106 | Cape Size Error | 🔴 Error | |
| CSPJ107 | Texture Size Error | 🔴 Error | |
| CSPJ108 | Creator Only | 🔴 Error | |
| CSPJ109 | Read Failed | 🔴 Error | |
| CSPJ110 | Orphan Texture | 🟡 Warning | |
| CSPJ111 | Missing Loc Key | 🔴 Error | |
| CSPJ112 | Unused Loc Key | 🟡 Warning | |
| CSPJ113 | Key Whitespace | 🔴 Error | |
| CSPJ115 | Invalid Model | 🔴 Error | |
| CSPJ116 | Too Many Skins | 🔴 Error | |
| CSPJ117 | Blank Outer | 🟡 Warning | |
| CSPJ118 | Invisible Angles | 🟡 Warning | |
| CSPJ119 | Partial Invisible | 🟡 Warning | |
| CSPJ120 | Pack Not Found | 🔴 Error |
Rule Details
CSPJ101
🔴 Missing skins.json
Severity: Error
What This Checks
The skin pack is missing a skins.json file. This file is required and must define all skins in the pack including their textures, names, and properties.
Technical Details
Data contains the expected skins.json path.
CSPJ102
🔴 Invalid JSON
Severity: Error
What This Checks
The skins.json file contains invalid JSON or does not match the expected schema. Verify JSON syntax and ensure all required properties are present.
Technical Details
Data contains the JSON parse error or schema violation.
CSPJ103
🔴 Name Mismatch
Severity: Error
What This Checks
The localization_name and serialize_name properties in skins.json must have the same value. These are used for identifying the skin pack and must match.
Technical Details
Data contains the mismatched name values.
CSPJ105
🟡 Duplicate Texture
Severity: Warning
What This Checks
Multiple skins reference the same texture file. Each skin should use a unique texture to avoid confusion and ensure proper display.
Technical Details
Data contains the duplicate texture path.
CSPJ106
🔴 Cape Size Error
Severity: Error
What This Checks
Cape textures have size restrictions. Ensure cape textures meet the required dimensions (typically 64x32 pixels).
Technical Details
Data contains the cape texture path with invalid size.
CSPJ107
🔴 Texture Size Error
Severity: Error
What This Checks
A skin or cape texture has invalid dimensions. Skin textures must be 64x64 or 128x128 pixels. Verify your texture dimensions.
Technical Details
Data contains the texture path and actual dimensions.
CSPJ108
🔴 Creator Only
Severity: Error
What This Checks
A property that is only allowed for Minecraft Creator accounts was found. Non-creator accounts cannot use certain advanced skin features.
Technical Details
Data contains the property name not allowed.
CSPJ109
🔴 Read Failed
Severity: Error
What This Checks
A texture file could not be read. Verify the file exists, is not corrupted, and uses a supported image format (PNG).
Technical Details
Data contains the path to the unreadable texture.
CSPJ110
🟡 Orphan Texture
Severity: Warning
What This Checks
A texture file exists in the pack but is not referenced by any skin in skins.json. Either add the skin to skins.json or remove the orphaned texture.
Technical Details
Data contains the orphaned texture path.
CSPJ111
🔴 Missing Loc Key
Severity: Error
What This Checks
A localization key used in skins.json does not have a corresponding entry in the language files. Add the missing translation to your .lang files.
Technical Details
Data contains the missing localization key.
CSPJ112
🟡 Unused Loc Key
Severity: Warning
What This Checks
A localization entry exists in the lang file but references a key not used in skins.json. Remove unused localization entries or update skins.json.
Technical Details
Data contains the unused localization key.
CSPJ113
🔴 Key Whitespace
Severity: Error
What This Checks
Localization keys must not have spaces at the beginning or end. Trim any whitespace from your localization key names.
Technical Details
Data contains the key with whitespace.
CSPJ115
🔴 Invalid Model
Severity: Error
What This Checks
The skin's model target (geometry) is not recognized. Ensure the model target matches a valid player model type (slim/wide arms).
Technical Details
Data contains the invalid model target.
CSPJ116
🔴 Too Many Skins
Severity: Error
What This Checks
The skin pack exceeds the maximum of 80 skins. Reduce the number of skins or split into multiple skin packs.
Technical Details
Data contains the skin count.
CSPJ117
🟡 Blank Outer
Severity: Warning
What This Checks
The skin texture has blank outer areas that should contain visible content. For slim arm models, ensure the outer layer has proper pixel coverage.
Technical Details
Data contains the texture path with blank areas.
CSPJ118
🟡 Invisible Angles
Severity: Warning
What This Checks
The skin model geometry causes parts of the skin to be invisible from certain viewing angles. Review the model and texture alignment.
Technical Details
Data contains the skin name with visibility issues.
CSPJ119
🟡 Partial Invisible
Severity: Warning
What This Checks
Some parts of the skin model may not render correctly. This is a warning - review the skin appearance in-game.
Technical Details
Data contains the skin name with rendering issues.
CSPJ120
🔴 Pack Not Found
Severity: Error
What This Checks
The skin pack manifest could not be associated with a valid pack structure. Verify the pack folder structure and manifest location.
Technical Details
Data contains the expected pack path.