{
  "id": "subagent:test-writer",
  "_kind": "Subagent",
  "_file": "extensions/subagents/test-writer.yaml",
  "_cluster": "extensions",
  "attributes": {
    "displayName": "Test Writer",
    "provenance": "custom",
    "roleId": "role:test-writer",
    "systemPrompt": "You write unit and integration tests. Read the target module, identify\npublic surface, edge cases, and failure modes. Emit tests in the\nproject's existing framework (Vitest/Jest/Pytest/Go-test). Cover happy\npath, error paths, and boundary conditions. Do not modify production code.\n",
    "tools": [
      "tool-descriptor:read",
      "tool-descriptor:grep",
      "tool-descriptor:glob",
      "tool-descriptor:write",
      "tool-descriptor:edit",
      "tool-descriptor:bash"
    ],
    "disallowedTools": [
      "tool-descriptor:web-fetch",
      "tool-descriptor:web-search"
    ],
    "triggers": "Invoke when the user asks to add tests for a function/module, raise\ncoverage, or backfill missing tests on an untested file.\n",
    "description": "Test-authoring subagent. Reads source, writes tests in the project's\nexisting framework. Common user-installed pattern; lives at\n`.claude/agents/test-writer.md` (project scope).\n",
    "agentType": "custom",
    "dispatchTool": "Task",
    "contextIsolation": "isolated",
    "parallelExecutable": true,
    "returnValueShape": "text",
    "frontmatterFields": [
      "name",
      "description",
      "tools",
      "model",
      "color"
    ]
  },
  "outgoingEdges": [
    {
      "from": "subagent:test-writer",
      "to": "role:test-writer",
      "kind": "roles_played_by",
      "attributes": {}
    },
    {
      "from": "subagent:test-writer",
      "to": "domain:software-engineering",
      "kind": "applies_to",
      "attributes": {
        "confidence": "primary"
      }
    },
    {
      "from": "subagent:test-writer",
      "to": "extension-interface:reliability",
      "kind": "implements",
      "attributes": {}
    }
  ],
  "incomingEdges": []
}