AI engineering, in your terminal
Reads your codebase, writes and edits files, runs commands, and works through multi-step engineering tasks — all from the command line.
✦ Hello! I'm ARIA, your terminal coding agent from Aria Studio.
I can help with debugging, building features, refactoring and testing.
What would you like to work on today?Not a chat window. An engineer at the keyboard.
Four stages of one real task, from the first file read to the last test passing.
✦ Reading packages/core/src/auth/middleware.ts ✦ Found 3 call sites using the legacy session cookie
It reads before it writes
Point it at a task and Aria opens the relevant files first — not the whole repo, just what the task actually touches — before proposing a single edit.
✦ Rewriting middleware.ts to issue and verify refresh tokens ✦ Updating 3 call sites to the new signature
It plans multi-step work
A refactor, a migration, a new endpoint with tests — Aria breaks it into steps and works through them in order, not as one unreviewable diff.
✦ Running the test suite… ✓ 47 passed · 4 files changed, +186 −52
It runs your commands
Shell access means it can install a package, run your test suite, or check a build — and read the output well enough to react to it.
⚠ This will drop the users_legacy table. Continue? (y/N)
It stops and asks when it should
Deleting a migration, force-pushing, touching a payment path — Aria surfaces the risky step and waits, rather than deciding on your behalf.
One account. One quota.
Aria CLI isn't a separate product with its own login — it's Aria Studio, reached from the terminal.
Install
Install
One command, no config file to write first. Works the same on macOS, Linux and Windows.
Sign in with Aria Studio
Sign in with Aria Studio
Run /auth once. It opens your Aria Studio account in the browser — approve the session, and the CLI is authenticated.
Build from the terminal
Build from the terminal
Every request counts against the SAME monthly quota as the browser app. One plan, tracked in one dashboard.
Every session, tracked from your browser
The dashboard is where the CLI's usage actually lives — sign in once and everything the terminal does shows up here, in real time.
Real-time token velocity
Watch consumption stream in as the agent works, not just a total waiting at the end of the month.
Per-session history
Every CLI session — wall time, tool calls, success rate — logged and searchable from the dashboard.
One quota, one place
The same monthly limit the CLI enforces, shown exactly as it stands, synced the moment a session starts.
Every signed-in device
See each terminal and editor signed in to your account, and disconnect any you don't recognise.
Everything a coding agent needs, none of it in a browser
The same agent behind Aria Studio, tuned for a terminal-first workflow.
Aria and Aria Pro
/modelSwitch mid-session with /model: Aria for fast everyday work, Aria Pro for harder problems that need longer reasoning. Both run on your Aria Studio plan, with no API key to manage.
Reasoning effort control
/effortDial between low, medium and high with /effort. A quick fix runs fast and cheap; a hard refactor gets the model more room to think before it acts.
Agent Skills + MCP
Write a reusable skill for a workflow you repeat, or connect a Model Context Protocol server to bring in your own tools and data sources.
Real file & shell tools
Reads your codebase, writes and edits files, and runs shell commands — install a package, run a script, check a log — in one continuous loop.
Sandboxed execution
Launch with sandboxing enabled and agent-issued commands run inside an isolated Docker or Podman container instead of directly on your machine.
VS Code companion
Pair with the Aria IDE extension so the terminal agent stays aware of the files you actually have open, not just what is on disk.
Runs wherever you already work
Install in one command
Works the same on macOS, Linux and Windows.
$ npm install -g @ariastudioai/ariaRequires Node.js 20 or later. Free to use under the Aria Studio licence.
Frequently Asked Questions
Bring Aria into your terminal
One account, shared with Aria Studio. No separate signup, no separate bill.