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Group-chat orchestration for coding agents: Claude Code, Codex, ChatGPT Web and others in one durable group with an append-only ledger, read receipts, and Web/IM/mobile ops.

1,245 110 Rust Apache-2.0updated yesterday
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Curator's take

Reach for CCCC when the problem is *coordination* between several long-running agents - who owns a task, whether a message was actually delivered/read, what survives a daemon restart - and you want to supervise from a phone via Telegram/Mattermost. The ledger + delivery/read/reply facts are the real differentiator; most multiplexers just tile terminals. Not for a single agent in one repo (herdr or plain tmux is lighter), and not a workflow engine: it doesn't compile plans or DAGs, it routes messages between a foreman and peers. Rust binary, pip-installable, no broker/DB/Docker - but it is a daemon that owns state, so expect one more always-on process.

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README.md2 min read
CCCC coordinates coding agents and connected Groups with local ledgers and explicit delivery status

CCCC

Coordinate your coding agents like a group chat

Read receipts, delivery tracking, cross-instance collaboration, and mobile ops — for Claude Code, Codex, ChatGPT Web, and other supported runtimes in one durable group.

Run multiple coding agents as a persistent, coordinated team across runtimes, machines, and trusted working groups — not a pile of disconnected terminal sessions.

One install command. No Rust toolchain or infrastructure required.

PyPI Rust 1.88+ License Docs

English | 中文 | 日本語

CCCC Web UI desktop overview   CCCC Web UI mobile overview

Why CCCC

When several coding agents share work, you need to know who owns a task, whether a message reached its recipient, and what survives a restart. CCCC brings that coordination into one place, with Web and IM access when you are away from the terminal.

CCCC runs your agents as one durable, coordinated system:

  • Durable coordination — message history lives in an append-only ledger; tasks and shared context have their own persistent stores.
  • Visible delivery semantics — routing plus separate stored, runtime-delivery, read, and reply facts replace best-effort prompting.
  • One control plane — Web UI, CLI, MCP, and IM bridges all operate on the same daemon-owned state.
  • Multi-runtime by default — Claude Code, Codex CLI, ChatGPT Web, Grok Build, and other supported runtimes can collaborate in one group.
  • CCCC Connect across instances — use same-account discovery, approved cross-member Group connections, or account-free Direct connections; each instance keeps its own state and access boundaries.
  • Local-first operations — one install command, runtime state in CCCC_HOME, and remote supervision only when you choose to expose it.

What CCCC Does

CCCC installs with one command and needs no separately operated database, message broker, or Docker:

Capability How
Durable event history Append-only ledger (ledger.jsonl) records messages and collaboration events for replay and audit
Reliable messaging Send / Send + Reply / Mail, separate delivery/read/reply facts, and a Mail-only Inbox consumed in ledger order — runtime handoff never pretends a message was read
Unified control plane Web UI, CLI, MCP tools, and IM bridges all talk to one daemon — no state fragmentation
Multi-runtime orchestration Mix supported coding-agent runtimes in one Group, with custom for other command-line agents
CCCC Connect Connect your own instances, selected Groups across member accounts, or two Groups directly without an account
Workspace tools Browse and edit files, inspect Git changes, pin documents in Presentation, and operate tiled native terminals
Voice workflows Voice Secretary turns speech into documents or composer drafts; experimental Codex Voice pairs realtime conversation with a Runtime-backed Analyst
Role-based coordination Foreman + peer model with permission boundaries