Command line reference

Ziro installs a single console script, ziro, which is the same entry point as python -m app.main. Everything else is a module you run with python -m.

The main entry point

ziro

python -m app.main

Subcommands

Command	What it does
`ziro`	Start a chat session. First run walks the setup wizard, then the user, flavour, thread, and agent pickers.
`ziro setup`	Re-open the setup wizard even when a key is already configured, to re-key, switch model, or switch theme. Fields are prefilled.
`ziro upgrade`	Pip-upgrade the installed `ziro` distribution from its release index (`ZIRO_PYPI_HOST`, default `test.pypi.org`).
`ziro plugin …`	Install and manage plugins and marketplaces. See plugin CLI.
`ziro agents …`	Alias for `python -m app.cli.manage_agents`. See manage agents.
`ziro init`	Scaffold a project, optionally seeded from a flavour with `--flavour`.

ziro setup and ziro flavour strip their subcommand and keep parsing the normal flags, so ziro setup --theme nord works.

Flags

All of these apply to ziro and python -m app.main equally.

--user

string

User ID. Scopes long-term memory. Omit it to reuse the last-used user, or to get the first-run picker.

--agent

string

Agent ID to run. Omit it to pick interactively. An agent that is disabled, or that falls outside the active flavour, is rejected or corrected to the flavour’s default agent.

--flavour

string

Flavour to launch. Scopes which agents are visible, which threads exist, and which shared memory is used. Omit it to pick interactively when several are configured, or to resume the last one. Bundled flavours are chat, engineering, research, and safe.

--thread

string

Thread ID to resume a previous session. Alias: --resume.

--no-tui

boolean

default:"false"

Force the plain rich REPL instead of the Textual TUI.

--voice

boolean

default:"false"

Enable push-to-talk voice I/O. Requires the agent’s voice_policy.yaml to have enabled: true. Implies the rich REPL.

-p, --print

string

Headless: run one turn and print the reply, then exit. -p "message" sends that message; a bare -p reads the message from stdin.

--json

boolean

default:"false"

With -p, emit the chat_once JSON line instead of plain text.

--attach

path

Path to an image to attach to the first message. Repeatable. A text-only model receives a graceful notice instead of the image.

--theme

string

UI theme name for this launch, overriding the saved preference. Bundled themes are ziro (the default), carbon, nord, and gruvbox.

--think

string

Seed the reasoning effort for this session: high, medium, low, or off. Change it live with /think.

Which front end you get

The entry point picks one of three front ends. The rule is short:

-p is present

Run exactly one turn headless, print the reply (or the JSON line with --json), and exit. Textual is never imported. The wizard and pickers never run: the user is resolved from --user or the last-used user, and a missing user or missing API key fails fast to stderr.

A TTY with Textual available

Launch the Textual TUI. The shell paints in roughly 1.6 seconds and is usable immediately; anything you type before the engine finishes building is queued and runs in order once it is ready.

Anything else

Fall back to the rich REPL. This is also what --no-tui and --voice force, and what you get when Textual is not installed or stdout is not a terminal.

The TUI is import-guarded. No Textual, or no TTY, degrades to the REPL rather than failing.

Examples

# First run: wizard, then pickers, then chat
ziro

# Start a specific agent for a specific user
python -m app.main --user alice --agent researcher

# Scope the session to a flavour
python -m app.main --user alice --flavour engineering

# Resume a thread
python -m app.main --user alice --thread 3f2a91c4

# Force the rich REPL
python -m app.main --user alice --no-tui

# One headless turn, plain text
python -m app.main --user alice -p "summarize today's notes"

# One headless turn, JSON on stdout
python -m app.main --user alice -p "list open todos" --json

# Read the message from stdin
echo "what changed in the last commit?" | python -m app.main --user alice -p

# Attach images to the first message
python -m app.main --user alice --attach diagram.png --attach chart.png

Other entry points

Entry point	What it does
`python -m app.cli.chat_once`	Single-shot JSON invocation, plus the background job queue via `--submit` and `--status`. See chat-once.
`python -m app.cli.manage_agents`	List, scaffold, remove, enable, disable agents and subagents; set the default agent and per-agent models. See manage agents.
`python -m app.cli.run_scenarios`	Replay the scenario files in `tmp/`.
`python -m app.cli.show_graph`	Visualize the LangGraph state machine. ASCII by default; `--format mermaid` or `--format png`.
`python -m app.cli.startup`	Pre-cache the embeddings model, spaCy, and the Llama Guard models so later launches can run Hugging Face offline.
`python -m ziro.rag.indexer <path>`	Index documents into the `docs` collection. Accepts a directory, a `.txt`, or a `.pdf`.
`python -m ziro.tools.indexer`	Re-index tool descriptions into the `tools` collection.
`python -m skills.loader`	Index every `SKILL.md` under `skills/` into the `skills` collection.
`python -m app.tui.demo`	Scripted TUI demo on a torch-free fake runner. `textual serve "python -m app.tui.demo"` serves it in a browser.

The app.* to ziro.* module alias does not cover python -m, because running a module needs the real module path. That is why the indexers are spelled python -m ziro.rag.indexer and python -m ziro.tools.indexer, not app.rag / app.tools.

Supporting commands

uv sync                          # install dependencies
uv sync --group voice-local      # add faster-whisper STT and Piper TTS
mypy .                           # type check
docker compose up -d             # PostgreSQL + pgvector (prod mode)
docker compose up -d searxng     # optional SearXNG backend for web_search
docker compose build pdf-sandbox # build the sandbox image for researcher_docker

Dev and prod modes

The runtime mode is selected by one environment variable, not a flag.

`DATABASE_URL`	Store	Checkpointer	Vectors
Unset	`SqliteStore` at `./data/memories.db`	`AsyncSqliteSaver` at `./data/checkpoints.db`	FAISS
Set	`PostgresStore`	`AsyncPostgresSaver`	PGVector

See environment variables for the full list.

Next steps

Slash commands

Everything you can do once a session is running.

Headless runs

The -p and --json contracts in detail.

Environment

Keys, providers, model tiers, and the runtime switches.

Command line

Configuration

SDK

Command line reference

The main entry point

Subcommands

Flags

Which front end you get

Examples

Other entry points

Supporting commands

Dev and prod modes

Next steps

Slash commands

Headless runs

Environment

​The main entry point

​Subcommands

​Flags

​Which front end you get

​Examples

​Other entry points

​Supporting commands

​Dev and prod modes

​Next steps

Slash commands

Headless runs

Environment

The main entry point

Subcommands

Flags

Which front end you get

Examples

Other entry points

Supporting commands

Dev and prod modes

Next steps