a5c-ai/contract-test-generator
library/specializations/code-migration-modernization/skills/contract-test-generator/SKILL.md
Generate contract tests for API migrations with consumer-driven contracts and provider verification
$ install --global
skillsauthnpx skillsauth add a5c-ai/babysitter contract-test-generatorInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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Last scanned: Apr 28, 2026, 4:29 PM251.2s2 files scanned
SKILL.md
- name:
- contract-test-generator
- description:
- Generate contract tests for API migrations with consumer-driven contracts and provider verification
- allowed-tools:
- ["Bash", "Read", "Write", "Grep", "Glob", "Edit"]
Contract Test Generator Skill
Generates contract tests for API migrations, supporting consumer-driven contracts, provider verification, and breaking change detection.
Purpose
Enable API contract testing for:
- Consumer contract generation
- Provider verification
- Schema validation
- Breaking change detection
- Mock server generation
Capabilities
1. Consumer Contract Generation
- Generate from API usage
- Extract from tests
- Build from specs
- Support multiple formats
2. Provider Verification
- Verify against contracts
- Test all consumers
- Check compatibility
- Document failures
3. Schema Validation
- Validate request schemas
- Check response schemas
- Verify data types
- Enforce constraints
4. Breaking Change Detection
- Detect field removals
- Find type changes
- Identify required additions
- Flag compatibility issues
5. Mock Server Generation
- Generate from contracts
- Support stub responses
- Handle scenarios
- Enable development isolation
6. Contract Versioning
- Track contract versions
- Manage compatibility
- Support migrations
- Document changes
Tool Integrations
| Tool | Purpose | Integration Method | |------|---------|-------------------| | Pact | Consumer-driven contracts | CLI | | Spring Cloud Contract | Java contracts | CLI | | Dredd | API validation | CLI | | Prism | Mock server | CLI | | WireMock | Mock server | CLI |
Output Schema
{
"generationId": "string",
"timestamp": "ISO8601",
"contracts": [
{
"consumer": "string",
"provider": "string",
"interactions": [
{
"description": "string",
"request": {},
"response": {}
}
]
}
],
"verification": {
"passed": "boolean",
"results": []
},
"artifacts": {
"contractFiles": [],
"mockServerConfig": "string"
}
}
Integration with Migration Processes
- api-modernization: Contract verification
- monolith-to-microservices: Service contracts
Related Skills
openapi-generator: Spec generationapi-compatibility-analyzer: Breaking changes
Related Agents
regression-detector: Regression preventioncross-team-integrator: Contract coordination
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