General
PromptBeginner5 minmarkdown
Before finalizing
verify:
0
Explore
Find agent skills by outcome
79,689 skills indexed with the new KISS metadata standard.
Showing 24 of 79,689Categories: Data & Insights, Creative, General
General
PromptBeginner5 minmarkdown
- **Layer**: Client-side
server-side
0
General
PromptBeginner5 minmarkdown
Use checkboxes and stable IDs (e.g.
`VAL-ITEM-1.1`):
0
General
PromptBeginner5 minmarkdown
Use checkboxes and stable IDs (e.g.
`VAL-PLAN-1.1`):
0
General
PromptBeginner5 minmarkdown
- **Validating after processing**: Validation must happen before any processing
storage
0
Creative
PromptBeginner5 minmarkdown
- Use Jakarta Bean Validation annotations (@NotNull
@Size
0
General
PromptBeginner5 minmarkdown
### Java/Kotlin (Bean Validation
Spring)
0
General
PromptBeginner5 minmarkdown
- Never trust any input regardless of source
including internal services
0
General
PromptBeginner5 minmarkdown
- Use established validation libraries (Zod
Joi
0
General
PromptBeginner5 minmarkdown
- [ ] File uploads validated for type (magic bytes)
size limits
0
General
PromptBeginner5 minmarkdown
- [ ] Validation is implemented at all layers (client
server
0
General
PromptBeginner5 minmarkdown
- Unit tests cover every validation rule with valid
invalid
0
General
PromptBeginner5 minmarkdown
After completing the validation implementation
verify:
0
General
PromptBeginner5 minmarkdown
- No system internals
stack traces
0
General
PromptBeginner5 minmarkdown
- Enum values validated against an explicit allowlist
not a blocklist
0
General
PromptBeginner5 minmarkdown
- Implement temporal validation (expired tokens
past dates
0
General
PromptBeginner5 minmarkdown
- Check for malicious patterns: excessively nested JSON
zip bombs
0
General
PromptBeginner5 minmarkdown
- Implement file upload validation with magic byte verification
not just MIME type or extension
0
Creative
PromptBeginner5 minmarkdown
- Validate cross-field dependencies (end date after start date
shipping address matches country)
0
General
PromptBeginner5 minmarkdown
- Sanitize file names to remove path traversal sequences (../
%2e%2e/) and special characters
0
General
PromptBeginner5 minmarkdown
- Validate complex structures (JSON
XML
0
General
PromptBeginner5 minmarkdown
- Verify edge cases: empty strings
nulls
0
General
PromptBeginner5 minmarkdown
- Validate and sanitize file uploads for type (magic bytes
not just extension)
0
General
PromptBeginner5 minmarkdown
- **Schema validation**: JSON Schema
Zod
0