| """Public MCP surface. No state-export, oracle, filesystem or evaluator tools.""" |
| from copy import deepcopy |
| from pathlib import Path |
| import argparse |
| import asyncio |
| import sys |
| from common import read,module,canonical |
|
|
| async def create(root,number,side): |
| from fastmcp import FastMCP |
| root=Path(root).resolve();sys.path.insert(0,str(root/'runtime')) |
| info=read(root/'private/pairs'/f'{number:03}.json') |
| server=FastMCP('Local business systems');envs={} |
| for name in (info['env_name'],'task_documents'): |
| directory=root/'data/environments'/name;key='repair_public_'+name |
| module(key,directory/'__init__.py');m=module(key+'.environment',directory/'environment.py') |
| state=read(root/'data/tasks'/info['pair']/side/'initial_states'/(name+'.json')) |
| instance=m.Environment(deepcopy(state));envs[name]=instance |
| for tool in await instance.mcp.list_tools():server.add_tool(tool.model_copy(update={'name':name+'.'+tool.name})) |
| return server,envs |
|
|
| def attach_recorder(server,envs,env_name,path): |
| """Persist controller-only evidence without adding a model-visible tool.""" |
| from fastmcp.server.middleware import Middleware |
| path=Path(path).resolve() |
| if path.exists(): |
| raise FileExistsError('Use a new controller record path') |
| path.parent.mkdir(parents=True,exist_ok=True) |
| def save(): |
| env=envs[env_name] |
| record={'events':[{'tool':e['tool'],'arguments':e['params'],'observation':e['result']} |
| for e in env.get_execution_log()], |
| 'final_state':deepcopy(env.state)} |
| temporary=path.with_name(path.name+'.tmp') |
| temporary.write_bytes(canonical(record)+b'\n') |
| temporary.replace(path) |
| class Recorder(Middleware): |
| async def on_call_tool(self,context,call_next): |
| try: |
| return await call_next(context) |
| finally: |
| save() |
| save() |
| server.add_middleware(Recorder()) |
|
|
| async def main(root,number,side,record=None): |
| server,envs=await create(root,number,side) |
| if record is not None: |
| info=read(Path(root)/'private/pairs'/f'{number:03}.json') |
| attach_recorder(server,envs,info['env_name'],record) |
| await server.run_async(transport='stdio',show_banner=False) |
|
|
| if __name__=='__main__': |
| p=argparse.ArgumentParser();p.add_argument('--root',type=Path,default=Path(__file__).resolve().parents[2]);p.add_argument('--number',type=int,required=True);p.add_argument('--side',choices=['act','abstain'],required=True);a=p.parse_args() |
| asyncio.run(main(a.root,a.number,a.side)) |
|
|
