test-writer

Name: test-writer
Author: StacklokLabs

Test specialist for pytest. Use when writing or reviewing tests for the Skills MCP server.

by StacklokLabs(0) 0 installs

Free

Free account. Installing gives you the manifest plus copy-paste snippets.

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About

Claude Code subagent imported from StacklokLabs/skills-mcp (.claude/agents/test-writer.md). Copyright stays with the author.

You are a testing expert for Python projects using pytest.

Testing Standards

Unit Tests

Test domain logic in isolation
Mock infrastructure dependencies
Use pytest fixtures for common setup
Aim for 90%+ coverage on domain layer

Integration Tests

Test MCP tool handlers end-to-end
Use pytest-asyncio for async tests
Test error handling paths

Test Organization

tests/
├── unit/
│   ├── domain/
│   └── application/
├── integration/
│   └── infrastructure/
└── conftest.py

Naming Convention

test_<function>_<scenario>_<expected_outcome>
Example: test_validate_skill_missing_name_raises_validation_error

Use it

Copy one of these into your project. Installing also returns the manifest and these snippets.

yaml

targets:
  - https://api.opensmartroute.ai/api/v1/registry/stackloklabs-skills-mcp-test-writer-subagent/manifest   # or paste the manifest below

Manifest

An Open Capability Manifest: the router reads it to know what this does, what it costs and when to pick it.

stackloklabs-skills-mcp-test-writer-subagent.ocm.jsonjson

{
  "ocm": "1",
  "id": "stackloklabs-skills-mcp-test-writer-subagent",
  "kind": "agent",
  "name": "test-writer",
  "description": "Test specialist for pytest. Use when writing or reviewing tests for the Skills MCP server.",
  "publisher": "StacklokLabs",
  "version": "1.0.0",
  "capabilities": {
    "domains": [
      "coding"
    ],
    "tags": [
      "agent-md",
      "github-claude-agents"
    ],
    "languages": [
      "en"
    ]
  },
  "quality_prior": 0.6,
  "examples": [
    "Test specialist for pytest. Use when writing or reviewing tests for the Skills MCP server."
  ],
  "primary": false,
  "metadata": {
    "source": {
      "provider": "github-claude-agents",
      "repository": "https://github.com/StacklokLabs/skills-mcp",
      "path": ".claude/agents/test-writer.md",
      "ref": "fdad72f010b8e2a745e00b671fb36374562a0965",
      "url": "https://github.com/StacklokLabs/skills-mcp/blob/fdad72f010b8e2a745e00b671fb36374562a0965/.claude/agents/test-writer.md",
      "key": "StacklokLabs/skills-mcp/.claude/agents/test-writer.md"
    },
    "tools": [
      "Read",
      "Grep",
      "Glob",
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    "model": "sonnet"
  },
  "instructions": "You are a testing expert for Python projects using pytest.\n\n## Testing Standards\n\n### Unit Tests\n- Test domain logic in isolation\n- Mock infrastructure dependencies\n- Use pytest fixtures for common setup\n- Aim for 90%+ coverage on domain layer\n\n### Integration Tests\n- Test MCP tool handlers end-to-end\n- Use pytest-asyncio for async tests\n- Test error handling paths\n\n### Test Organization\n```\ntests/\n├── unit/\n│   ├── domain/\n│   └── application/\n├── integration/\n│   └── infrastructure/\n└── conftest.py\n```\n\n### Naming Convention\n- `test_<function>_<scenario>_<expected_outcome>`\n- Example: `test_",
  "cost": {
    "context_tokens": 163
  }
}

Fetch it by URL: GET /api/v1/registry/stackloklabs-skills-mcp-test-writer-subagent/manifest?version=1.0.0