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api-tester

Execute HTTP API tests and validate responses against status codes, schemas, headers, and security rules.

6|3|Updated Mar 26, 2026
Search Tags:#api testing#security scanning#http requests#qa automation#structured reports#response validation#batch testing
One-click install
npx skills add https://github.com/theneoai/skill-writer --skill api-tester-theneoai
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: api-tester
Source: https://github.com/theneoai/skill-writer/tree/main/examples/api-tester
Command: npx skills add https://github.com/theneoai/skill-writer --skill api-tester-theneoai

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

It removes the manual friction of testing APIs by turning natural-language requests into repeatable HTTP test runs, response checks, and security reviews.

Core Features & Use Cases

  • Executes single API calls or small test batches with status, latency, and structured JSON results.
  • Validates schemas, field rules, headers, and authentication while flagging common CWE issues.
  • Useful for developers and QA teams verifying endpoints before release, troubleshooting failures, or running regression checks across multiple services.

Quick Start

Ask the api-tester skill to test a specific endpoint, validate the response, and return a security-scanned report.

Frequently Asked Questions about api-tester

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I automate API testing from plain language requests?▼

API testing from plain language converts natural-language requests into deterministic HTTP test runs, executing endpoint calls while validating responses against expected schemas, headers, and status codes. It returns structured JSON reports detailing latency, authentication, and security findings.

Can I validate API response schemas and check for CWE security issues?▼

Response validation checks API outputs against schema rules, field constraints, and headers, while simultaneously flagging common CWE security issues. This combined validation ensures endpoints meet structural expectations and basic security standards during automated test execution.

What is the best way to run batch HTTP requests and generate structured test reports?▼

Batch testing executes small sets of HTTP API calls deterministically, validating each response and returning a structured JSON report. This approach covers status codes, latency metrics, and authentication handling across multiple endpoints for regression checks.

Does this API testing approach handle authentication and rate limiting?▼

Authentication handling and rate limiting are built into the API testing execution flow. This ensures deterministic request execution when testing secured endpoints, preventing test failures caused by throttling or unauthorized access during validation runs.

How do QA teams use API response validation for regression checks?▼

QA teams use API response validation to verify endpoints before release by executing deterministic HTTP requests and comparing outputs against expected schemas and security rules. Structured JSON reports capture failures for troubleshooting and regression tracking.

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