Naseem · نسيم

The Mac-native AI agent that does the work, not just the chat.

A fast, lightweight agent for macOS — a gentle breeze against the heavy, hot Electron assistants. Chat with any major model or fully on-device, and let it safely act on your Mac.

⬇ Download for macOS Get Naseem Pro

Free forever · No account · No subscription · Bring your own AI key

Watch Naseem fan one request out to three sub-agents in parallel, then compose the results — while its own context stays tiny.

Naseem building, installing, launching and driving a real app in the iOS Simulator — sim_build_install, sim_launch, sim_ui and screenshots in the transcript

Debug your app by asking: Naseem builds, installs, launches, taps through the UI, and screenshots the iOS Simulator — natively.

An agent, not just a chat window

A powerful model alone isn't an agent — it needs a harness. Naseem is that harness, plus one thing browser-bound assistants don't have: your Mac.

LLM + Agent Harness + Your Mac

The model provides the intelligence. The harness gives it agency. Your Mac gives it the power to act.

Why Naseem is different

Most AI assistants stop at generating an answer. Naseem is built to continue — inspect the project, make the change, run the tools, read the results, verify, and fix.

It works with your real files

Inspect, read, patch, and create files on disk. No copy-pasting between a chat window and your editor.

It has a real terminal

git, xcodebuild, package managers, tests, scripts, Python. Not a browser sandbox — your Mac's actual environment.

It drives the iOS Simulator natively

The way the best browser agents work: it reads the app's accessibility tree as text and acts on named elements — not by screenshotting and guessing. Faster, cheaper, and far more precise. Other coding agents shell out to simctl one command at a time; Naseem keeps one live connection and talks to your app.

It automates native Mac apps

The same tree-first approach through Apple's Accessibility APIs — for GUI-only apps (Notes, Mail, System Settings) that have no CLI or API.

It's the conductor, not the orchestra

Written entirely in Swift — no Electron, no embedded browser, no Node runtime. During a full build-and-test run it stays light while Xcode, the Simulator, and the model do the heavy lifting.

Built to stay sharp on long tasks

The hard part of an agent isn't answering — it's staying useful over hundreds of steps without drowning in its own context or losing the plot.

Small, stable, cache-friendly context

Completed tool outputs collapse to compact receipts (full text always retrievable on demand), and the request prefix stays byte-identical between steps — so your provider's prompt cache does the work. Cheaper, faster long sessions; on a subscription your quota lasts far longer.

Memory that survives restarts

Build logs, test runs, and search results persist across app launches. Ask about yesterday's failed build and the agent pulls up the actual log.

Stays on mission

Each conversation carries an objective the agent re-reads on every step, with progress checkpoints so it stops grinding a stubborn subproblem and reports back.

Crash-safe runs

Quit or crash mid-task and completed steps are preserved and clearly marked; continue resumes with memory of what was done.

Naseem's Lessons panel — durable lessons the agent captured from failed or corrected runs, awaiting your review

Naseem captures lessons from failed or corrected runs — you review what it keeps.

Everything in the box

Free is the agent you chat with and supervise. Pro is the agent you hand work to.

Profiles
Per-conversation personas — Assistant, Writer, Software Engineer, QA, Automation — each with its own tools and approval policy.
iOS Simulator driving PRO
Boot, build, install, tap/type/swipe through the real UI tree, read logs, screenshot. Debug your app by asking.
Mac computer use PRO
Drive GUI-only Mac apps natively via Accessibility — allowlisted per conversation, approved per action.
Sub-agent delegation PRO
Spawn focused child agents for big side-tasks and work in parallel, with live nested traces.
Telegram remote PRO
Talk to your agent from your phone — including remote Approve/Deny of gated tool calls.
Web search
A built-in web_search tool for current events, docs, and prices — bring your own free Tavily or Brave key.
On-device inference (MLX)
Fully local Apple-Silicon inference — no network, no cloud, private by construction.
Native tools
Real terminal, filesystem with diff-based patching, Python, PDF — behind per-call approval.
MCP
Connect any Model Context Protocol server; paste-whole-JSON config editor.
Memory & skills
Cross-conversation memory; recurring tasks become reusable skills; lessons learned from failed runs.
Naseem's Skills library — reusable procedures like project-builder and github-workflow, importable and reviewable

Skills teach Naseem how you want recurring work done — reviewed before you trust them.

Free forever. Pro if it earns it.

Because Naseem uses your own models and API keys, buying Pro doesn't lock you into another monthly AI bill.

Free

$0 forever
  • Every provider (Anthropic, OpenAI, Gemini, Ollama, local MLX)
  • Conversations & projects
  • Web search, vision, artifacts
  • Core tools with approval, MCP
  • Memory & skills, Quick Ask
Download Free

No account. No card.

Pro

One-time · no subscription
  • iOS Simulator automation
  • Native Mac computer use
  • Sub-agent delegation
  • Telegram remote access
  • Self-improving skills & Pro profiles
  • Personal license, up to 3 Macs
Get Naseem Pro

Every install starts with a 30-day full-feature trial — no card. Keeps working on Free afterward.

Get started

Requirements: macOS 14 or later, Apple Silicon or Intel. Bring an API key (OpenAI / Anthropic / Gemini), or run Ollama, or nothing at all with on-device MLX. iOS Simulator automation requires Xcode. The app is Developer ID-signed, notarized, and updates itself.

⬇ Download for macOS Release notes