Port22
Port22 is a Mac-to-iPhone companion that lets you monitor and control already-running coding agents (like Claude Code, Codex, and OpenCode) from anywhere, with live transcripts, tap-to-approve actions, and end-to-end encrypted relay.
https://tryport22.com/?ref=producthunt
Product Information
Updated:Aug 7, 2026
What is Port22
Port22 is a tool designed for developers who run coding agents on their Mac and want to stay in control when they step away from their desk. Instead of restarting or forking an agent session, Port22 connects to the terminal session you already started and brings it to your phone, so you can follow progress in real time and respond when the agent needs input (such as approving a file edit). It aims to reduce idle time during long runs by making agent supervision and approvals mobile-friendly.
Key Features of Port22
Port22 is a Mac + iPhone companion that lets you monitor and control coding agents (e.g., Claude Code, Codex, OpenCode) running in your existing Mac terminal from anywhere. It attaches to the live session you already started (no wrapper terminal), streams the transcript to your phone, and lets you approve actions using the exact on-screen options. Pairing is done via iCloud under one Apple ID (no separate account), and remote access uses an end-to-end encrypted, LAN-first relay that can’t read your code; the product claims it stores 0 bytes of your code and offers a free tier for one Mac and two sessions.
Attach to existing terminal sessions: Drives the agent session you already have open in your terminal rather than spawning a forked or wrapped environment.
Remote agent control from iPhone: Lets you pick a running session, read the live transcript, and interact with/drive the agent while away from your Mac.
Approval prompts with real on-screen options: When an agent needs permission, the app surfaces the actual options from the live session to reduce mistaken approvals.
iCloud pairing (one Apple ID, no extra login): Pairs Mac and iPhone through iCloud when signed into the same Apple ID—no separate Port22 account or QR flow.
LAN-first with end-to-end encrypted relay: Uses local networking when available; off-network traffic is forwarded via an E2E-encrypted relay that does not hold keys.
Lightweight Mac agent distribution: Runs as a single Mac binary (notarized; Apple Silicon + Intel) that watches the terminal sessions you select.
Use Cases of Port22
On-the-go approvals for long-running coding tasks: Start an agent run, step away, and approve file edits or actions from your phone so the run doesn’t stall waiting for you.
DevOps and incident response while away from desk: Monitor agent-driven debugging or remediation steps (logs, commands, changes) from anywhere and intervene when approvals are needed.
Freelancers/consultants managing multiple client sessions: Keep tabs on several active agent sessions on a Mac and quickly switch/approve tasks from a phone between meetings or travel.
Engineering managers tracking progress during reviews: Follow live transcripts of agent work to see what’s happening in real time and unblock with approvals without taking over the keyboard.
Education and demos: Run coding agents on a Mac during a workshop or demo and use a phone to monitor progress and handle prompts without interrupting the flow.
Pros
Works with sessions you already run (no wrapper/no new terminal), reducing workflow disruption.
Convenient remote oversight and approvals from iPhone, preventing long idle waits during agent runs.
Privacy/security positioning: end-to-end encrypted relay and “0 bytes of code we store,” plus no separate account sign-up.
Cons
Apple ecosystem dependency: pairing relies on iCloud and one Apple ID, implying Mac + iPhone requirement.
Product maturity/availability: described as “beta out soon,” so access and feature completeness may be limited initially.
Agent support appears limited to specific tools (e.g., Claude Code, Codex, OpenCode), with others marked “soon.”
How to Use Port22
1) Join the Port22 waitlist (early access): Go to https://tryport22.com/ and submit the early-access form so you can get the iOS app and the Mac agent when the beta is live.
2) Install the Port22 Mac agent: On your Mac, download the Port22 Mac agent (.dmg) from the site when available, then install it. The site notes it’s a single binary and is notarized, with Apple Silicon + Intel support.
3) Start your coding agent in Terminal (the session you want to control): Open Terminal on your Mac and start the coding agent you already use (examples shown: Claude Code, Codex, OpenCode). Port22 is designed to attach to an existing running session rather than creating a separate fork.
4) Point the Mac agent at the Terminal session(s) you want Port22 to watch: Configure the Port22 Mac agent to watch the specific Terminal sessions you want to drive remotely (as described on the site: it “watches the terminal sessions you point it at”).
5) Install/open the Port22 iOS app on your iPhone: When available, install the Port22 iOS app and open it on your iPhone.
6) Sign into the same Apple ID on both devices: Ensure your Mac and iPhone are signed into the same Apple ID. Port22 pairs “over iCloud,” using your iCloud account so there’s no separate Port22 login and no QR-code pairing flow.
7) Pair your iPhone with your Mac over iCloud: From the Port22 app, complete pairing via iCloud. The site indicates the devices “find each other” when signed into the same Apple ID.
8) Select the running session you want to control: In the iOS app, pick the Terminal session that’s already running your coding agent (Port22 “drives the session you already started”).
9) Read the live transcript while the agent works: Use the iOS app to follow along with the live transcript of what the coding agent is doing in that Terminal session.
10) Approve actions/steps from your phone as needed: From the iOS app, approve the agent’s actions as it works (the site highlights “approving as it works”).
11) Use it on LAN first; use the encrypted relay when away: When you’re on the same network, Port22 operates LAN-first. When you’re away, it uses an end-to-end encrypted relay that forwards bytes without holding the keys (per the site’s description).
12) Manage sessions within the product limits: Port22 is described as free forever for 1 Mac and 2 sessions; unlimited sessions are presented as an optional paid tier ($19.99/year). Stay within your plan’s session limits.
Port22 FAQs
port22 is a tool that lets you run a Mac agent, pair your iPhone, and remotely drive coding agents (e.g., Claude Code, Codex, OpenCode) from anywhere by viewing a live transcript and approving actions in the session that’s already running in your terminal.
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