General
PromptBeginner5 minmarkdown
- Implement file upload validation with magic byte verification
not just MIME type or extension
0
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99,817 skills indexed with the new KISS metadata standard.
Showing 24 of 99,817Categories: Data & Insights, Data, General, Creative, Cursor-rules
Data
PromptBeginner5 minmarkdown
- Apply context-aware output encoding (HTML entities for web
parameterization for SQL)
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General
PromptBeginner5 minmarkdown
- Check for malicious patterns: excessively nested JSON
zip bombs
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Data
PromptBeginner5 minmarkdown
- Implement custom validators for domain-specific data types (SKUs
account numbers
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General
PromptBeginner5 minmarkdown
- Validate complex structures (JSON
XML
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General
PromptBeginner5 minmarkdown
- Sanitize file names to remove path traversal sequences (../
%2e%2e/) and special characters
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Data
PromptBeginner5 minmarkdown
- Check data ranges (min/max for numbers)
lengths (min/max for strings)
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General
PromptBeginner5 minmarkdown
- Verify edge cases: empty strings
nulls
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Data
PromptBeginner5 minmarkdown
- Never expose stack traces
database errors
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Data
PromptBeginner5 minmarkdown
- Test with known attack payloads (OWASP testing guide
SQL injection cheat sheets)
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General
PromptBeginner5 minmarkdown
- Normalize whitespace
trim leading/trailing spaces
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General
PromptBeginner5 minmarkdown
- Validate and sanitize file uploads for type (magic bytes
not just extension)
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General
PromptBeginner5 minmarkdown
- **Schema validation**: JSON Schema
Zod
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General
PromptBeginner5 minmarkdown
- Map validation rules to the appropriate layer (client
server
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Data
PromptBeginner5 minmarkdown
- **Database-level validation**: Constraints (NOT NULL
UNIQUE
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General
PromptBeginner5 minmarkdown
- Assess security threat model (injection vectors
abuse scenarios
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Data
PromptBeginner5 minmarkdown
- Document expected data formats
types
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General
PromptBeginner5 minmarkdown
- **Optimize validation performance** using fail-fast ordering
caching for expensive checks
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Creative
PromptBeginner5 minmarkdown
- **Design error handling** with clear
actionable messages that guide correction without exposing system internals
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General
PromptBeginner5 minmarkdown
- **Enforce strict type checking** with explicit type conversion
format validation
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General
PromptBeginner5 minmarkdown
- **Implement multi-layer validation** at client-side
server-side
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Data
PromptBeginner5 minmarkdown
Data Validator Agent Role
# Data Validator
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Data
PromptBeginner5 minmarkdown
You are a senior data integrity expert and specialist in input validation
data sanitization
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Creative
PromptBeginner5 minmarkdown
- Documents complex queries
design decisions
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