| """Cell A tool builder: in-process Python callables from |
| mcp_servers.direct_adapter, wrapped as OpenAI Agents SDK function_tools. |
| |
| Cell B uses MCPServerStdio for the same underlying functions; see |
| aat_tools_mcp.py. Keeping the name/description set identical between |
| this module and the MCP stdio path is the fairness contract for |
| Experiment 1 (issue #25) — (Cell B latency) - (Cell A latency) is |
| pure MCP transport overhead only if the tool surface matches. |
| """ |
|
|
| from __future__ import annotations |
|
|
| from typing import Any, Callable, List |
|
|
| from agents import function_tool |
| from mcp_servers import direct_adapter |
|
|
|
|
| def _agent_visible_name(registry_name: str) -> str: |
| """Return the tool name the model should see. |
| |
| The direct adapter keeps domain-qualified names internally |
| (``iot.list_assets``), but MCP stdio exposes bare names |
| (``list_assets``). Cell A must match Cell B's model-visible names for |
| the transport-overhead comparison to stay fair. |
| """ |
| return registry_name.rsplit(".", 1)[-1] |
|
|
|
|
| def build_direct_tools() -> List[Any]: |
| """Return a list of function_tool objects, one per entry in the |
| direct_adapter registry. |
| """ |
| wrapped: List[Any] = [] |
| seen_names: dict[str, str] = {} |
| for spec in direct_adapter.get_tools(): |
| callable_fn: Callable[..., Any] = spec.fn |
| tool_name = _agent_visible_name(spec.name) |
| if tool_name in seen_names: |
| raise ValueError( |
| "Duplicate Agent-visible AaT tool name after stripping domain " |
| f"prefix: {tool_name!r} from {seen_names[tool_name]!r} and " |
| f"{spec.name!r}" |
| ) |
| seen_names[tool_name] = spec.name |
| wrapped.append( |
| function_tool( |
| callable_fn, |
| name_override=tool_name, |
| description_override=spec.doc or f"Direct call to {tool_name}", |
| strict_mode=False, |
| ) |
| ) |
| return wrapped |
|
|
