X402Check
X402Check verifies if a given prompt adheres to specific formatting guidelines, ensuring consistent and reliable outputs across various applications.
Install on your platform
We auto-selected Claude Code based on this skill’s supported platforms.
Run in terminal (recommended)
claude mcp add x402check npx -- -y @trustedskills/x402check
Or manually add to ~/.claude/settings.json
{
"mcpServers": {
"x402check": {
"command": "npx",
"args": [
"-y",
"@trustedskills/x402check"
]
}
}
}Requires Claude Code (claude CLI). Run claude --version to verify your install.
About This Skill
What it does
The x402check skill provides a simple mechanism to verify if an input string matches a predefined pattern. It can be used to validate user input, check data formats, or ensure compliance with specific rules. The skill returns a boolean value indicating whether the input conforms to the expected pattern.
When to use it
- Validating email addresses before sending confirmation emails.
- Checking if a postal code is in the correct format.
- Ensuring that user-provided passwords meet minimum complexity requirements.
- Confirming that an order number follows a specific structure.
Key capabilities
- Pattern matching
- Boolean return value
- Input validation
Example prompts
- "Does '[email protected]' match the email pattern?"
- "Is '12345-6789' a valid postal code according to the defined format?"
- "Validate this password: 'P@sswOrd1'"
Tips & gotchas
The skill’s effectiveness depends on having a correctly defined pattern. Ensure that the pattern accurately reflects the expected input format for reliable validation.
Tags
TrustedSkills Verification
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Security Audits
| Gen Agent Trust Hub | Pass |
| Socket | Pass |
| Snyk | Pass |
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Passed automated security scans.