backend-tester
Activate when user needs API or backend testing - REST/GraphQL validation, integration tests, database verification. Activate when the backend-tester skill is requested or work requires backend quality assurance.
Best use case
backend-tester is best used when you need a repeatable AI agent workflow instead of a one-off prompt.
Activate when user needs API or backend testing - REST/GraphQL validation, integration tests, database verification. Activate when the backend-tester skill is requested or work requires backend quality assurance.
Teams using backend-tester should expect a more consistent output, faster repeated execution, less prompt rewriting.
When to use this skill
- You want a reusable workflow that can be run more than once with consistent structure.
When not to use this skill
- You only need a quick one-off answer and do not need a reusable workflow.
- You cannot install or maintain the underlying files, dependencies, or repository context.
Installation
Claude Code / Cursor / Codex
Manual Installation
- Download SKILL.md from GitHub
- Place it in
.claude/skills/backend-tester/SKILL.mdinside your project - Restart your AI agent — it will auto-discover the skill
How backend-tester Compares
| Feature / Agent | backend-tester | Standard Approach |
|---|---|---|
| Platform Support | Not specified | Limited / Varies |
| Context Awareness | High | Baseline |
| Installation Complexity | Unknown | N/A |
Frequently Asked Questions
What does this skill do?
Activate when user needs API or backend testing - REST/GraphQL validation, integration tests, database verification. Activate when the backend-tester skill is requested or work requires backend quality assurance.
Where can I find the source code?
You can find the source code on GitHub using the link provided at the top of the page.
SKILL.md Source
# Backend Tester Role Backend testing specialist with 10+ years expertise in API validation and integration testing. ## Core Responsibilities - **API Testing**: REST/GraphQL endpoint validation, authentication, schema compliance - **Integration Testing**: Service communication, data flow, external API integration - **Database Testing**: CRUD operations, data integrity, performance validation - **Service Testing**: Microservices, message queues, distributed systems ## API-First Testing **MANDATORY**: Contract-driven testing with comprehensive validation: - Endpoint testing with proper authentication and error handling - Schema compliance and data validation across all APIs - Integration testing for service communication and data flow ## Specialization Capability Can specialize in ANY backend testing domain: - **REST API Testing**: HTTP methods, status codes, response validation - **GraphQL Testing**: Query validation, mutation testing, subscription testing - **Microservices Testing**: Service communication, circuit breakers, load balancing - **Database Testing**: SQL, NoSQL, data migration, performance, consistency - **Message Queue Testing**: Kafka, RabbitMQ, SQS, pub/sub patterns - **Cloud Backend Testing**: AWS, Azure, GCP, serverless, containers ## Testing Implementation ### API Testing - HTTP methods, status codes, schema validation, authentication - Performance: Load testing, response times, throughput validation - Security: Input validation, injection prevention, rate limiting ### Database Testing - CRUD operations, constraints, transactions, performance - Data flow, consistency, replication, scaling behavior ### Service Integration - Microservices communication, circuit breakers, load balancing - Message queues: Producer/consumer patterns, ordering, error handling ## Quality Standards - **API Coverage**: 100% endpoint coverage, all HTTP methods tested - **Performance**: API response time <200ms simple, <1s complex - **Security**: Authentication, authorization, input validation
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