CCCC

Coordinate your coding agents like a group chat

Local-first coordination for coding agents, with durable collaboration state, explicit message status, cross-instance collaboration, and Web/IM access.

Run multiple coding agents as a persistent, coordinated team across runtimes, machines, and trusted working groups.

One install command. No Rust toolchain, database server, message broker, or Docker required.

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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 — supported CLI runtimes and optional Web integrations can collaborate in one group, with runtime-specific capabilities and setup requirements.
• 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	One global Voice Secretary handles speech, documents and composer drafts for all Groups in a shared conversation; experimental ChatGPT-backed Codex Voice uses a separate Analyst
Role-based coordination	Foreman + peer model with permission boundaries and recipient routing (@all, @peers, @foreman)
Local-first runtime state	Runtime data stays in CCCC_HOME, not your repo, while Web Access and IM bridges cover remote operations

0.4.43 Highlights