Claude Cowork: The Desktop Agent
AI That Works on Your Computer
Section titled “AI That Works on Your Computer”In L3, you learned about Claude Projects — workspaces where you work with Claude in the browser. Claude Cowork Anthropic's desktop agent feature in the Claude Desktop app. Cowork can directly access local files, independently execute multi-step tasks, create documents, and interact with external services through connectors. takes it a step further: Claude doesn’t just work with you in a chat — it works for you on your computer. Reading files, creating documents, building presentations, analyzing data — independently, multi-step, with access to your local folders.
That’s the leap from L3 (persistent context) to L4 (delegation).
What Cowork Can Do
Section titled “What Cowork Can Do”| Capability | Details |
|---|---|
| Local file access | Reads, creates, and edits files in a folder you’ve shared |
| Document creation | Excel with real formulas, PowerPoint, Word, PDF |
| Cross-app workflows | Analyze data in Excel and create a PowerPoint from it directly |
| Web search | Integrated research with summarization |
| Browser control | Via the Chrome extension, Cowork can navigate websites |
| Sub-agents | Parallel workstreams for complex tasks |
| Scheduled tasks | Automated recurring tasks |
Practical Examples
Section titled “Practical Examples”- “Go through the 30 PDFs in this folder and create an Excel overview with company names, revenue, and headcount.”
- “Create a presentation based on this strategy paper — 10 slides, executive summary on slide 1.”
- “Research the latest 5 press releases from competitor X and summarize the key points.”
Step by Step: Setting Up Cowork
Section titled “Step by Step: Setting Up Cowork”Requirements
Section titled “Requirements”- Claude Desktop App (macOS or Windows x64)
- Paid plan: Pro ($20/month), Max ($100–200/month), or Team/Enterprise
- Latest app version
1. Share a Folder
Section titled “1. Share a Folder”Cowork can only access folders you explicitly share. This is the key security mechanism: You decide what Claude can see.
2. Describe the Task
Section titled “2. Describe the Task”Start a Cowork task with a clear description. The more context you provide, the better the result — just like any good prompt. But unlike chat, Cowork then works independently.
3. Review the Result
Section titled “3. Review the Result”Cowork delivers finished outputs: files, documents, analyses. Review them before using them further.
Connectors: Extending Claude’s Reach
Section titled “Connectors: Extending Claude’s Reach”Connectors Integrations that connect Claude to external services through the Model Context Protocol (MCP) — Gmail, Google Drive, Slack, and others. Claude can search and retrieve data without leaving the Cowork interface. extend Cowork beyond local files:
| Connector | What Claude Can Do |
|---|---|
| Gmail | Search and read emails, create drafts (not send) |
| Google Calendar | View, create, modify events |
| Google Drive | Search and retrieve documents |
| Slack | Search messages, pull context from channels |
| GitHub | Browse repositories |
Additional connectors: DocuSign, WordPress, HubSpot, Figma, and more. Setup typically takes under a minute — authentication via OAuth or API keys.
Important: Connectors respect your existing permissions. Claude only sees what you can see.
Scheduled Tasks: AI That Works on Its Own
Section titled “Scheduled Tasks: AI That Works on Its Own”Scheduled tasks are the step from L3 (responds to requests) to L4 (works proactively):
| Frequency | Example |
|---|---|
| Hourly | Monitoring metrics or news feeds |
| Daily | Morning briefing: emails + calendar + Slack summarized |
| Weekly | Competitor update, team status report |
| Weekdays | Daily data preparation, report creation |
Limitation
Section titled “Limitation”Scheduled tasks only run when your computer is awake and the Claude Desktop app is open. Missed tasks are caught up on the next app launch.
Pricing
Section titled “Pricing”| Plan | Price | Cowork |
|---|---|---|
| Free | $0/month | No access |
| Pro | $20/month | Yes (base quota) |
| Max 5x | $100/month | Yes (5× Pro) |
| Max 20x | $200/month | Yes (20× Pro) |
| Team | from $25/month | Only with Premium Seat ($100–125) |
Important: Cowork tasks consume significantly more quota than normal chat. A complex task can use as much as dozens of chat messages.
Strengths and Limits
Section titled “Strengths and Limits”Strengths
Section titled “Strengths”- Local file access — the biggest difference from ChatGPT Agent: Cowork works directly with your files
- Cross-app workflows — Excel analysis → PowerPoint presentation in one session
- Sub-agents — parallel processing of complex tasks
- Connectors — seamless integration with Gmail, Drive, Slack, etc.
- Scheduled tasks — proactive automation
Limits
Section titled “Limits”- Desktop only — no web access, no mobile, no multi-device sync
- No session memory — every Cowork session starts without memory of previous sessions
- No audit logs — Cowork activity isn’t captured in compliance logs, not suitable for regulated environments
- Prompt injection risk — security researchers demonstrated that prepared documents can manipulate Claude. Don’t grant access to sensitive files you don’t control.
- High quota consumption — complex tasks can quickly exhaust usage limits
What You Shouldn’t Do
Section titled “What You Shouldn’t Do”- Don’t grant access to folders with sensitive data (credentials, financial documents, personal data)
- Don’t use scheduled tasks for sending messages or making purchases
- Don’t install unknown plugins or MCPs without prior review
Try It Yourself
Section titled “Try It Yourself”Exercise 1: First Cowork Task
Section titled “Exercise 1: First Cowork Task”Create a folder with 5–10 non-sensitive files (PDFs, documents). Give Cowork access and set a task: “Create a summary of all documents as an Excel table.” Review the result.
Exercise 2: Test a Connector
Section titled “Exercise 2: Test a Connector”Connect a connector (e.g., Google Calendar). Set a task: “Show my appointments for next week and identify conflicts.” Evaluate: Was that faster than checking yourself?
Exercise 3: Scheduled Task
Section titled “Exercise 3: Scheduled Task”Set up a daily task: “Summarize my unread Slack messages from channel X.” Observe for a week: Is the output useful? What’s missing?
Looking Ahead
Section titled “Looking Ahead”Claude Cowork shows how AI evolves from conversation partner to executor — with real access to your files and tools. That’s powerful, but brings new responsibility: You need to know what you share, what you delegate, and what you verify.
In the next lesson, you’ll see the comparison: ChatGPT Agent Mode — OpenAI’s approach that works not on the desktop but on the web.