Great Cto
You already have the agent. This is everything around it. great_cto runs Claude Code as a pipeline of 70 specialist agents — an independent model checks each stage before the…
Install
npx great-cto initclaude mcp add great-cto -- npx great-cto init{
"mcpServers": {
"great-cto": {
"command": "npx",
"args": [
"great-cto",
"init"
]
}
}
}Install command taken from the project's README or registry entry. Always review code before running it.
README excerpt
Read full README on GitHub →Ship products with the coding agent you already have.
npx great-cto init
Website · One real run → · Blog · Changelog
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Your coding agent ships code. This is what checks it.
Describe a product or a feature. 72 agents with narrow jobs take it through brief, architecture, build, review and security; a second model from another family reads the same diff. Three decisions stay yours — what gets built, how, and whether it ships — and what lands is a repository you own and a URL that works. You pay your own LLM provider; great_cto is MIT and bills nothing.
Quick start
npx great-cto init
Restart Claude Code. Day to day there are three things:
| In Claude Code | In the terminal | |
|---|---|---|
| Start work | /start "add Google login" |
great-cto run "add Google login" |
| See what needs you | /inbox |
great-cto status |
| Continue | /resume |
great-cto resume |
/start takes a new product or a task in an existing project and picks the
workflow itself. /resume continues only what you already approved; a pending
decision still waits for you. Everything else — /review, /spec, /save,
/digest and the rest — is there when you need it:
all commands.
The board at localhost:3141 opens on Work — your tasks, the decisions
waiting on you, and what already shipped. Cost, agents and reviewers are under
Tools. Nothing on it renders an absence as a pass: a check that could not
decide reads unverifiable, a cost nobody measured unmeasured, a reviewer
that could not run unavailable.
On OpenAI Codex
npx great-cto init --host codex gives Codex the skills, the MCP server and six
safety guards as plugin hooks (approve them once: run codex in a terminal and
choose Trust all and continue). Codex has no native plugin surface for slash
commands or role agents, so the pipeline runs through the CLI instead:
great-cto run "add Google login" --host codex --allow src,tests,docs
great-cto status --host codex
great-cto resume --host codex
Plugin refresh is explicit by default (great-cto upgrade codex). On macOS,
sh scripts/codex-auto-update.sh enable opts into a six-hour per-user timer;
status inspects it and disable removes it. Each tick validates the Git
marketplace origin before asking Codex to upgrade. It follows the configured
Git ref, not npm releases, and changed hooks still need host review in a new
session. Details, mixed runs and Codex as the second reviewer:
Codex host guide.
When it stops you
One line in .great_cto/PROJECT.md:
approval-level |
Stops you at | Stops |
|---|---|---|
ship-only |
the deploy — and briefs you on what gets built | 1 |
product-only |
what we build · whether it ships | 2 |
gates-only (default) |
what we build · the design · the deploy | 3 |
strict |
the design · code review · the deploy | 3 |
auto |
nothing in the pipeline | 0 |
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