cp__call_tasks

The cp__call_tasks builtin fans out to multiple tasks concurrently with semaphore-bound execution and aggregated telemetry. Use it to validate or enrich data across several tasks inside a single workflow step.

Input fields

Usage example

{
  "tasks": [
    {
      "task_id": "validate.email",
      "with": { "value": "user@example.com" }
    },
    {
      "task_id": "validate.phone",
      "with": { "value": "+1-555-0100" }
    },
    {
      "task_id": "enrich.profile",
      "timeout_ms": 60000
    }
  ]
}

The builtin enforces runtime.native_tools.call_tasks.max_concurrent. Set the config to increase or decrease fan-out parallelism.

Remediation hints

• Provide at least one entry in the tasks array.
• Ensure every task configuration includes task_id and respects schema requirements.
• Use per-task timeout_ms for long-running operations; negative values are rejected.
• Inspect per-result error objects to determine which task failed and why.