Assign & Monitor Desktop Cowork Tasks Remotely from Mobile Devices

One of the most powerful modern enhancements to the Claude ecosystem is Cross-Device Agentic Syncing. This capability allows you to draft, initiate, and monitor long-running Claude Desktop Cowork tasks directly from your iOS or Android device while you are away from your computer.

Since the heavy lifting (local shell execution, tool execution, and local file access) is performed by your desktop computer, this turns your phone into a remote control dashboard for your personal AI workstation.

Table of Contents

1. How Remote Task Assignment Works
2. Prerequisites and Setup
3. Step-by-Step Task Delegation
4. Real-World Mobile Use Cases

How Remote Task Assignment Works

Traditional AI app usage is session-bound: you enter a query, get a text response, and close the app.

With Remote Cowork Assignment:

1. You submit a prompt to Claude on your mobile app (e.g., "Clean up my Downloads folder and group all invoices by date").
2. Anthropic’s servers identify that the query requires local filesystem access and sync the request to your Claude Desktop application.
3. Your desktop computer executes the task locally.
4. Your phone receives real-time notifications about the progress (e.g., "Evaluating 52 files...", "Completed folder move").
5. You review and download the completed outputs directly from your mobile device.

Prerequisites and Setup

For remote assignment to work seamlessly, ensure you meet the following requirements:

• Identical Account Login: You must be logged into the same Claude Pro, Max, Team, or Enterprise account on both your mobile device and your desktop app.
• Desktop Status: Your computer must be awake and the Claude Desktop application must be running. If the computer goes to sleep, the queue pauses and resumes automatically once the computer wakes up.
• Network Sync: Both devices must have an active internet connection. They do not need to be on the same local Wi-Fi network.

Step-by-Step Task Delegation

Here is how to delegate a task from your phone:

Step 1: Initialize the Task

Open the Claude app on iOS or Android, select your project workspace, and type your instructions. Include specific directories:

"Run Cowork in my '/Users/username/Desktop/Research' directory. Gather all text files and write a comprehensive summary named summary.md."

Step 2: Confirm Desktop Launch

Claude will verify: "Initiating agent run on your active desktop workstation." Tap Confirm on your mobile screen.

Step 3: Monitor Live Progress Logs

On the mobile screen, you will see a progress bar and terminal logs showing the current task steps (e.g., git diff runs or local file reads).

Step 4: Remote Output Access

Once complete, Claude will notify you: "Task completed successfully on Desktop." If Claude created a file (like a PDF or Markdown report), you can view and download it directly on your mobile device through the cloud sync preview.

Real-World Mobile Use Cases

1. The Pre-Commute Clean Up

While sitting on the train on your way to the office, tell your phone:

"Organize my C:\Users\Username\Downloads folder. Put all images older than 7 days in an archive folder so my desktop is clean when I arrive."

2. Remote Code Compilation & Test Rerun

While away from your desk, ask Claude to compile and test:

"Run 'npm test' in my projects/app folder. If any tests fail, look at the error log and try to fix the files locally."

3. Long-Running Synthesis

Delegate a massive paper synthesis task before going to bed. The desktop app will run for 10-15 minutes, processing dozens of local PDFs, and the finalized report will be waiting on your phone in the morning.

Setting Up Mobile Access

Getting remote task assignment working requires a short setup pass on both devices. Plan for about 10 minutes the first time.

On Your Desktop

1. Install Claude Desktop. Download the official build for macOS or Windows from Anthropic's download page. Sign in with your Claude Pro, Max, Team, or Enterprise account.
2. Enable Cowork. Open Settings, select the Cowork tab, and toggle on "Allow Cowork to run tasks on this computer." Confirm the default working directory. This is the folder Claude will treat as its sandbox.
3. Keep the app running. Remote assignment only works while the Claude Desktop process is alive. On macOS, set the app to launch at login via System Settings > General > Login Items. On Windows, add a shortcut to the Startup folder (shell:startup).
4. Prevent sleep. If your laptop sleeps, queued tasks pause. On macOS, open System Settings > Displays > Advanced and enable "Prevent automatic sleeping when the display is off." On Windows, run powercfg /change standby-timeout-ac 0 from an admin terminal to disable sleep while plugged in.

On Your Phone

1. Install the Claude app. Get it from the App Store (iOS) or Google Play (Android). Sign in with the same account you used on desktop.
2. Link the workspace. Open the app, tap your avatar, select "Devices," and confirm your desktop appears in the list with a green status dot. If it does not appear, sign out and back in on both devices.
3. Grant notifications. Allow notifications for the Claude app so you receive progress updates and completion alerts. Without this, long tasks will finish silently.
4. Test the link. Send a trivial prompt from your phone, for example "Create a file called mobile-test.txt in my Cowork folder with the current date." If the file appears on your desktop and you get a completion notification, the link is working.

Best Mobile Workflows

Not every task is a good fit for mobile delegation. The best mobile workflows share three traits: the prompt is short, the work is long, and the output is a single file you can review on a small screen.

Workflow A: Overnight Report Generation

Before bed, dictate a synthesis prompt to your phone:

"Read every PDF in ~/Research/Climate. Write a 2,000-word literature review to literature-review.md with inline citations referencing each source file by name." You wake up to a notification and a finished markdown file. Review it over coffee, make edits on desktop later.

Workflow B: Mid-Meeting Data Pull

You are in a meeting and someone asks for a number that lives in a local database. From your phone:

"Query analytics.db with: SELECT region, SUM(revenue) FROM sales WHERE quarter='Q1' GROUP BY region. Write the result to q1-by-region.csv and tell me the top region." Claude runs the query on your desktop and posts the answer back to your phone within the minute.

Workflow C: Travel-Time Code Review

You are on a flight with Wi-Fi and a teammate just opened a PR. From your phone:

"Pull branch feature/billing-v2 in my projects/billing folder. Run the Code Reviewer Skill on the diff against main. Write review.md and post the high-severity findings back to me." You land with a review ready to paste into the PR.

Workflow D: End-of-Day Backup and Tidy

As you leave the office:

"In ~/Projects/ClientA, move all .log files older than 7 days into ~/Projects/ClientA/archive/. Then create a zip of the archive folder named archive-YYYY-MM-DD.zip." Your desktop spends the commute window cleaning up, and the folder is tidy by the time you sit down the next morning.

Limitations and Workarounds

Remote assignment is powerful, but it has real constraints. Knowing them in advance saves frustration.

• Desktop must stay awake. If your computer sleeps or loses power, the task pauses. Workaround: use a wake-on-LAN tool or schedule a recurring wake event. On macOS, pmset repeat wakeorpoweron MTWRFSU 08:00:00 wakes the machine each morning.
• No interactive prompts. If a task needs you to answer a yes/no question mid-run, it cannot proceed unattended. Workaround: phrase prompts to include default decisions, for example "If a file is locked, skip it and log the filename to skipped.md."
• Output size limits on mobile preview. Very large files (over roughly 50 MB) may not preview cleanly on phone. Workaround: ask Claude to also produce a one-paragraph summary alongside the full file, so you can read the summary on mobile and open the full file on desktop later.
• No local GUI control. Cowork cannot click buttons in desktop applications that lack a CLI. Workaround: prefer CLI-based tools and MCP servers over GUI-only apps when designing mobile-friendly tasks.
• Bandwidth affects notification speed. On a weak mobile connection, progress notifications may arrive in bursts. This is cosmetic and does not affect task execution on the desktop.

Security Considerations for Remote Access

Running an agent on your desktop while you are away introduces a real attack surface. Treat the setup the way you would treat any remote access tool.

• Use a dedicated Cowork folder. Do not grant Claude access to your entire home directory. Create a single folder like ~/Cowork and scope all filesystem permissions there. This limits blast radius if a prompt or MCP server behaves unexpectedly.
• Lock your desktop screen. Even though you are away, the screen should be locked. On macOS, use pmset displaysleepnow or set a hot corner. On Windows, press Windows-L before you walk away.
• Enable disk encryption. FileVault (macOS) or BitLocker (Windows) should be on. If your laptop is stolen from a coffee shop while a Cowork session is active, encryption keeps your files protected at rest.
• Rotate API tokens. If you configure MCP servers that use tokens (GitHub, Brave, Linear), rotate those tokens every 90 days. Never paste a token into a prompt; always pass it through the MCP server's env config.
• Review the task log on return. When you get back to your desk, skim the Cowork session log for any unexpected file access or shell commands. Catching a misbehaving Skill early prevents repeat problems.
• Avoid public Wi-Fi for sensitive tasks. The mobile-to-Anthropic leg is encrypted, but if you are paranoid, delegate sensitive tasks only from a trusted network or a VPN connection.

Mobile vs Desktop: When to Use Each

The practical split is simple: use mobile to start and watch tasks, and use desktop to refine and verify the results. If you find yourself trying to edit a 200-line file on your phone, stop and wait until you are back at a keyboard.

Last updated: June 15, 2026

This article is part of CoworkHow.com, an independent resource for Claude Cowork users. We are not affiliated with Anthropic.