MCP Libraries
mcp-jira-stdioTools Reference

jira_create_subtask

Create a subtask under a parent issue

jira_create_subtask

Create a subtask under a parent issue. Automatically detects the subtask issue type.

Parameters

ParameterTypeRequiredDescription
parentKeystringYesParent issue key (e.g., "PROJ-123")
summarystringYesSubtask summary/title
descriptionstringNoSubtask description
assigneestringNoAssignee account ID
prioritystringNoPriority level

Example

{
  "tool": "jira_create_subtask",
  "arguments": {
    "parentKey": "PROJ-123",
    "summary": "Write unit tests for login module"
  }
}

With Details

{
  "tool": "jira_create_subtask",
  "arguments": {
    "parentKey": "PROJ-123",
    "summary": "Implement password validation",
    "description": "Add validation rules for password strength",
    "priority": "Medium"
  }
}

Response

{
  "id": "10002",
  "key": "PROJ-124",
  "self": "https://your-domain.atlassian.net/rest/api/3/issue/10002"
}

Notes

  • The subtask type is automatically detected from the project configuration
  • Subtasks inherit the project from the parent issue
  • The parent issue must exist and be in a project that supports subtasks

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