A comprehensive multi-format data validation tool designed for input sanitization, API request verification, and CI pipeline checks.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install validator-tool
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install validator-tool using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Validator Tool?
The Validator Tool is a versatile utility within the ecosystem of Openclaw Skills designed to streamline the verification of common data formats. It provides developers with a unified interface to lint and validate everything from complex JSON structures and schemas to localized phone numbers and network protocols. By integrating this tool, teams can ensure data integrity across their automation workflows and application interfaces.
Built for high-performance environments, the tool excels at identifying syntax errors and format inconsistencies before they reach your core logic. Whether you are building an AI agent or a traditional backend service, using Openclaw Skills like this one ensures that your input sanitization pipelines are both rigorous and easy to maintain.
Validator Tool Use Cases
- Sanitizing API request payloads by validating JSON against draft-07 schemas.
- Performing pre-deployment checks on configuration files and directory paths in CI/CD pipelines.
- Cleaning marketing lists by batch-validating internationalized email addresses and E.164 phone numbers.
- Verifying network configurations by auditing lists of IPv4 and IPv6 addresses.
- Ensuring file system readiness by checking if specific paths exist and possess the required read/write permissions.
How Validator Tool Works
- The tool receives an input string or a file path via the CLI, accompanied by a specific type flag such as --json or --email.
- It parses the input according to the relevant standard, such as RFC 5321/5322 for emails or draft-07 for JSON schemas.
- The validation engine performs a multi-stage check, identifying structural errors, syntax violations, or permission issues.
- Results are generated in real-time, with the tool emitting specific exit codes (0 for success, 1 for invalid data) to signal the status to the calling process.
- If requested, a detailed report is outputted in JSON format for automated consumption by other Openclaw Skills or external monitoring systems.
Validator Tool Setup
To get started with this validation utility, ensure it is available in your environment. You can quickly test various formats using the following commands:
# Install the validator-tool (Example assuming a package manager context)
npm install -g validator-tool
# Run a basic JSON validation
validator-tool --json '{"status":"active"}'
# Validate an email for a user signup flow
validator-tool --email "[email protected]"
Validator Tool Data Schema & Taxonomy
The Validator Tool organizes its output and configuration using the following schema standards:
| Feature | Specification / Format |
|---|---|
| JSON Schema | Supports Draft-07 schemas for structural validation |
| Compliant with RFC 5321 and RFC 5322 (including i18n support) | |
| Phone Numbers | Validates against E.164 or regional formatting standards |
| IP Addresses | Supports both IPv4 and IPv6 address formats |
| Output Formats | Standard text or machine-readable JSON for integration |
| Batch Processing | Inputs are accepted via text files (one entry per line) |
Validator Tool Advanced Features
- JSON Schema Integration: Go beyond syntax checking by enforcing strict data models with external schema files.
- Batch Processing Mode: Efficiently process hundreds of validation checks in a single execution using the --batch flag.
- Strict Validation Mode: Elevate minor warnings to error status to ensure the highest possible data quality in production environments.
- Pipeline-Ready JSON Output: Use the --json-output flag to pipe validation results directly into other Openclaw Skills for automated decision making.
- Detailed Error Reporting: Access granular feedback on exactly why a validation failed with the --verbose option.
SKILL.md
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