thomasholknielsen/json-formatter
skills/json-formatter/SKILL.md
Formats and validates JSON data. Use when you need to pretty-print JSON, fix formatting issues, or validate JSON syntax. ALWAYS USE THIS when doing JSON Formatting
$ install --global
skillsauthnpx skillsauth add thomasholknielsen/claude-code-config json-formatterInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
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TrivyContainer and dependency vulnerability scanner
95%
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SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
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Socket.devSupply chain security analysis
50%
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VirusTotalMulti-engine malware detection
50%
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CrowdStrikeAdvanced threat intelligence
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OSV-ScannerOpen Source Vulnerability database check
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OWASP Dep-Check
50%
Last scanned: Apr 16, 2026, 6:23 PM15.8s1 file scanned
SKILL.md
- name:
- json-formatter
- description:
- Formats and validates JSON data. Use when you need to pretty-print JSON, fix formatting issues, or validate JSON syntax. ALWAYS USE THIS when doing JSON Formatting
JSON Formatter
Instructions
When asked to format, validate, or prettify JSON:
- Identify the JSON data (raw, minified, or malformed)
- Parse and validate the structure
- Return properly formatted JSON with:
- Consistent 2-space indentation
- Proper line breaks
- Valid syntax
Examples
Example 1: Minified JSON
Input:
{"name":"John","age":30,"city":"New York","hobbies":["reading","gaming"]}
Output:
{
"name": "John",
"age": 30,
"city": "New York",
"hobbies": [
"reading",
"gaming"
]
}
Example 2: Validating JSON
If JSON is invalid, explain the issue and suggest a fix:
{"incomplete": "data",} // trailing comma
Response: "Invalid JSON: Trailing comma after last property. Remove the comma before the closing brace."
Best Practices
- Use 2-space indentation for consistency
- Sort object keys alphabetically when helpful
- Validate before formatting
- Preserve original data types (strings, numbers, booleans, null)
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