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List subagent items

An MCP tool from the OpenAI API server, hosted on mcp.hjlabs.in.

List subagent items Lists this subagent's own items across all of its turns. See subagent workflows. [GET /agents/sessions/{session_id}/subagents/{subagent_id}/items]

Name on the gateway: openai_api__list_agent_session_subagent_items · read-only.

Parameters

NameTypeDescription
session_id requiredstringThe ID of the session.
subagent_id requiredstringThe ID of the subagent in this session.
limitintegerThe maximum number of resources to return, between 1 and 100. Defaults to 20.
orderasc | descThe order in which resources are returned. Defaults to desc.
afterstringReturn resources after this resource ID in the selected order.

How to call it

Through the Smart Gateway, any client can run it by name with call_tool, or let the gateway find it with search_tools:

call_tool arguments
{
  "name": "openai_api__list_agent_session_subagent_items",
  "arguments": {
    "session_id": "…",
    "subagent_id": "…"
  }
}

Or connect the OpenAI API server directly, which lists 371 tools including this one:

Run in your terminal
claude mcp add --transport http hj-openai-api https://mcp.hjlabs.in/mcp/openai-api \
  --header "Authorization: Bearer YOUR_API_KEY"

Try asking

Use the list subagent items tool with session_id set to ….

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