Jeremylongshore Claude Code Plugins Plus Skills Contract Test Validator

Overview

This skill enables Claude to generate and validate API contracts, ensuring compatibility between API providers and consumers. It uses Pact for consumer-driven contract testing and OpenAPI validation for specification compliance.

How It Works

1. Generating Contract Tests: Claude creates Pact consumer tests based on API usage, generating provider verification tests and building OpenAPI contract validators.
2. Validating Contracts: The skill verifies if API responses match the defined contracts.
3. Checking Compatibility: It checks for backward compatibility to identify breaking changes in the API.

When to Use This Skill

This skill activates when you need to:

• Generate contract tests for an API.
• Validate API responses against existing contracts.
• Identify breaking changes in an API.

Examples

Example 1: Generating Pact Contracts

User request: "Generate contract tests for my API using Pact."

The skill will:

1. Analyze the API and generate Pact consumer contracts.
2. Create provider verification tests based on the contracts.

Example 2: Validating an OpenAPI Specification

User request: "Validate my API against the OpenAPI specification."

The skill will:

1. Validate the API against the provided OpenAPI specification.
2. Report any discrepancies or violations of the specification.

Best Practices

• Clarity: Be specific when requesting contract generation or validation, providing relevant API details.
• Completeness: Ensure that your OpenAPI specifications are up-to-date for accurate validation.
• Context: Provide context about the consumer and provider roles when using Pact.

Integration

This skill can be integrated with other testing and deployment tools in the Claude Code ecosystem to automate contract verification as part of a CI/CD pipeline.

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