What languages are supported for generated test scripts?

The skill can generate automated testing code for popular environments including JavaScript (Jest/Axios/Fetch), Python (Requests), and shell-based curl commands.

Can this skill help with API performance issues?

Yes, it includes features for response time benchmarking, load testing with concurrent requests, and verifying rate limit behavior.

Can I test GraphQL APIs with this skill?

Yes, the API Tester skill fully supports GraphQL queries and mutations, including variables, headers, and schema validation.

Does it support complex authentication methods?

Absolutely. It handles Bearer tokens (JWT), API Keys, Basic Auth, and OAuth 2.0 client credentials flows.

API Tester

Name: API Tester
Author: CuriousLearner

byCuriousLearner

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Security & Testing

Validates API endpoints through automated request testing, performance benchmarking, and comprehensive security audits.

About

The API Tester skill is a professional-grade toolkit designed to streamline the validation and debugging of REST and GraphQL services within Claude Code. It enables developers to quickly test HTTP methods, verify response schemas, and ensure authentication logic is sound. Beyond simple requests, it automates the generation of documentation-ready curl commands, Postman collections, and Jest test suites, while also providing capabilities for load testing and security vulnerability scanning. It is an essential companion for backend developers and QA engineers looking to maintain high API quality and reliability.

Key Features

Automated validation for GET, POST, PUT, PATCH, and DELETE methods
16 GitHub stars
Comprehensive security checks for SQL injection, XSS, and CORS
Deep support for both RESTful architectures and GraphQL mutations/queries
Performance benchmarking including load testing and rate limit verification
Instant generation of curl commands, Postman collections, and test scripts

Use Cases

Debugging API response schemas and data types during active development
Generating boilerplate integration tests for CI/CD pipelines
Benchmarking endpoint performance under concurrent request loads

About

Key Features

Automated validation for GET, POST, PUT, PATCH, and DELETE methods
16 GitHub stars
Comprehensive security checks for SQL injection, XSS, and CORS
Deep support for both RESTful architectures and GraphQL mutations/queries
Performance benchmarking including load testing and rate limit verification
Instant generation of curl commands, Postman collections, and test scripts

Use Cases

Debugging API response schemas and data types during active development
Generating boilerplate integration tests for CI/CD pipelines
Benchmarking endpoint performance under concurrent request loads