serialx

Codex Multi-Agent System Architecture

A deep-dive into how Codex implements its hierarchical multi-agent (sub-agent) system, codenamed "Collab".

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Table of Contents

1. Overview
2. Architecture Diagram

serialx

#!/usr/bin/env python3
"""
Code quality check hook for PostToolUse and Stop events.

Supports two modes:
1. PostToolUse: Checks specific modified files
2. Stop: Checks all project files

Runs: ruff format → ruff check → pyright
Exits with code 2 on lint errors.

serialx

Keybase proof

I hereby claim:

• I am serialx on github.
• I am serialx (https://keybase.io/serialx) on keybase.
• I have a public key whose fingerprint is 705A 6DC6 EB70 B0DA 217E 30BF F187 0D76 90DF 681A

To claim this, I am signing this object:

serialx

call plug#begin()
Plug 'tpope/vim-sensible'
Plug 'kien/ctrlp.vim'
" replaced with vim-airline
"Plug 'fholgado/minibufexpl.vim'
Plug 'vim-airline/vim-airline'
Plug 'Valloric/YouCompleteMe'
Plug 'tpope/vim-fugitive'
Plug 'fatih/molokai'
Plug 'fatih/vim-go'

serialx

$ ./out/Debug/quic_client http://www.google.com/ --port=443 --host=59.18.44.40 --v=1
[0215/224443:VERBOSE1:quic_client_bin.cc(156)] server host: 59.18.44.40 port: 443 body:  headers:  quiet: 0 quic-version: -1 version_mismatch_ok: 0 redirect_is_success: 1
[0215/224443:VERBOSE1:quic_client_bin.cc(177)] Resolved 59.18.44.40 to 59.18.44.40:443

[0215/224443:VERBOSE1:quic_connection.cc(269)]  Client: Created connection with connection_id: 16037101543732809575
[0215/224443:VERBOSE1:quic_flow_controller.cc(33)]  Client: Created flow controller for stream 0, setting initial receive window offset to: 10485760, max receive window to: 10485760, setting send window offset to: 16384
[0215/224443:VERBOSE1:quic_flow_controller.cc(33)]  Client: Created flow controller for stream 1, setting initial receive window offset to: 10485760, max receive window to: 10485760, setting send window offset to: 16384
[0215/224443:VERBOSE1:quic_flow_controller.cc(33)]  Client: Created flow controller for stream 3, setting initial receive wi

serialx

import gevent, gevent.event
import threading, Queue, collections, time, functools

def _threads_poller_f():
    while _OsThread._threads_count:
        try:
            t, rv, isexc = _OsThread._threads_results.get_nowait()
        except Queue.Empty:
            gevent.sleep()
        else: