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What is Cowork?

What is Cowork? — Anthropic's AI Agent That Works on Your Computer
  • 23
  • February

If Claude Code is an AI Agent for developers that works through the Terminal, then Cowork is an AI Agent for everyone that works through Claude Desktop — no coding required. Anthropic officially launched Cowork on January 12, 2026, calling it "Claude Code for general tasks," marking a major step in making AI Agents accessible to workers in every profession.

What is Cowork?

Cowork is an AI Agent that works autonomously on the Claude Desktop application. It is not just a chatbot that answers questions — it is an AI that can actually perform tasks on your computer, from reading files, creating documents, editing files, to running automated scripts.

Unlike regular Claude that can only "chat" in a Chat window — Cowork can access files and folders on your computer for real, including reading, writing, creating, and deleting files. It is more like "delegating work to a coworker" than "Q&A with AI."

Interestingly, Cowork was created by Boris Cherny, the same person who built Claude Code, and it took only 1.5 weeks to develop. Even more remarkably, most of Cowork's code was written by Claude Code itself — making it a case of AI building AI.

Cowork Launch Timeline

Anthropic gradually rolled out Cowork to different user groups in stages:

Date Event
Jan 12, 2026 Research Preview launched for Max subscribers (macOS only)
Jan 16, 2026 Expanded to Pro subscribers
Jan 23, 2026 Opened to Team and Enterprise plans
Jan 30, 2026 Official release of 11 open-source plugins
Feb 10, 2026 Windows version launched

Key Features of Cowork

Cowork has capabilities that go far beyond a regular chatbot:

1. Access Real Files and Folders on Your Computer

You can grant Claude access to only specific folders such as Documents, Downloads, or a particular project folder. Claude will read all files within and work according to your instructions.

2. Create/Edit/Delete Real Files

Not just displaying output in a Chat window — Cowork can create Excel files with working formulas, create PowerPoint presentations with charts, edit Word documents, and even rename and move files across folders.

3. Run Scripts and Code in a Sandbox VM

Cowork can actually run code inside a Virtual Machine (VM) isolated from your main system, making it safe and non-intrusive — ideal for Data Analysis or Automation tasks.

4. Queue Multiple Tasks Simultaneously

You can queue multiple tasks at once and let Cowork execute them in order — for example, "organize my Downloads folder then summarize this month's expenses from receipts" — without waiting for each task to finish.

5. Global & Folder-specific Instructions

You can set persistent instructions that Cowork remembers across sessions — for example, "always use TH Sarabun font when creating Excel files" or "use English for file names in the Projects folder."

6. Plugin System (11 Official Plugins)

Anthropic released 11 open-source plugins for specialized Cowork tasks:

  • Sales — Analyze CRM, Create Proposals
  • Legal — Review Contracts, Draft Legal Documents
  • Finance — Analyze Financial Statements, Create Reports
  • Marketing — Create Content, Analyze Campaigns
  • Data Analysis — Analyze Data, Create Charts
  • Support — Manage Tickets, Summarize Issues
  • Product — Manage Backlog, Create Specs
  • Enterprise Search — Search Data Across Systems
  • Biology Research — Analyze Biological Research
  • Plugin Creation — Build New Plugins Yourself
  • General Productivity — General Tasks, Note-Taking, Task Summaries

7. MCP Connectors

Cowork connects to external tools via Model Context Protocol (MCP), including: Slack, Canva, Figma, Box, Asana, Notion, PayPal, Salesforce, and HubSpot. It also supports Chrome Automation for automated web browser control.

Cowork vs Regular Claude Chat

To better illustrate how Cowork differs from the Claude you use every day:

Capability Claude Chat Cowork
Generate text/code in Chat Yes Yes
Access local files No (only upload one file at a time) Yes (entire folders)
Create/edit/delete real files No Yes
Multi-step automation No Yes
Run Scripts/Code No (shows code only) Yes (in VM)
Connect to Slack/Notion/etc Limited Yes (via MCP)
Queue parallel tasks No Yes
Remember instructions across sessions No Yes

Examples of Tasks Cowork Can Do

To illustrate how Cowork helps with real work, here are examples of tasks that any user can instruct Cowork to do right away:

Organize the Downloads Folder

Tell Cowork "organize my Downloads folder by file type and rename files to be readable" — Cowork will scan all files, create subfolders (Documents, Images, Videos, Others), then move files into them while renaming them meaningfully.

Create an Expense Spreadsheet from Receipt Photos

Take photos of receipts and put them in a folder. Tell Cowork "create an Excel expense summary from all receipts in this folder" — Cowork will read text from images (OCR), extract items, amounts, and dates, then create an Excel file with working total formulas.

Draft a Report from Notes Scattered Across Multiple Files

If you have meeting notes scattered across 10 files, tell Cowork "compile all meeting notes and create a summary report in Word" — Cowork will read every file, summarize key points, and create a well-structured report document.

Summarize Action Items from Meeting Notes

Tell Cowork "read today's meeting notes and summarize Action Items with responsible persons and deadlines" — Cowork will extract Action Items and create a Checklist ready to share with the team.

Create Excel/PowerPoint with Working Formulas

Not just showing examples in Chat — Cowork creates Excel files with working VLOOKUP, SUMIFS, and Pivot Tables, or PowerPoint presentations with charts built from real data in your files.

Pricing and Plans

Cowork is not available for free — you need at least a Pro subscription, and it is only available through the Claude Desktop app (not on Web or Mobile):

Plan Price/Month Cowork Access?
Free $0 No
Pro $20 Yes
Max 5x $100 Yes (higher usage limits)
Max 20x $200 Yes (highest usage limits)
Team $25/seat Yes
Enterprise Custom Yes + ZDR

Note: Cowork uses significantly more tokens than regular Chat because it reads files, analyzes data, and creates documents. Pro plan users may hit rate limits faster than usual. The Max plan is recommended for heavy users.

Cowork Security

Since Cowork can access real files on your computer, security is an important consideration:

Security Measures

  • Sandbox VM — Cowork runs inside a Virtual Machine (Apple VZVirtualMachine on macOS) isolated from your main system.
  • Virtualization-level Isolation — Claude can only see folders you have granted access to and cannot access any other files on your computer.
  • Permission System — All Write/Delete operations require user permission every time. Claude will show what it plans to do first and wait for your confirmation.
  • Enterprise ZDR — The Enterprise plan includes Zero Data Retention (ZDR), meaning data will not be stored on Anthropic's servers.

Security Limitations

Caution:

  • File contents are sent to Anthropic Servers — Files you grant Cowork access to are sent to Anthropic's Cloud for processing, not processed locally on your computer.
  • Prompt Injection — PromptArmor disclosed a vulnerability where .docx files may contain hidden instructions embedded within, causing Cowork to follow commands hidden in documents instead of the user's instructions (Anthropic is working on a fix).
  • Not suitable for Regulated Workloads — There is no Audit Log or Compliance API yet for tasks that require legal compliance verification.

Use Cases for Thai Organizations

Although Cowork is primarily a personal tool, Thai organizations can use it to boost productivity across multiple departments:

Finance and Accounting

Create Expense Reports from receipts, compare quarterly financial statements, create income-expense Dashboard summaries from Excel exports from ERP systems using the Finance Plugin.

Legal and Contracts

Review contracts against standard templates, draft preliminary legal documents, summarize key contract terms for executives using the Legal Plugin.

Sales

Analyze CRM data, auto-generate Proposals from templates, summarize weekly sales reports using the Sales Plugin.

Marketing

Create Content Calendars, analyze campaign results from exported data, draft copy for various media using the Marketing Plugin.

HR

Organize employee documents, prepare Onboarding materials, summarize Attendance reports from Spreadsheets.

Study results: Data from organizations using Cowork during the Research Preview shows it can save 20-30% of time on document tasks, Data Entry, and basic data analysis.

Saeree ERP with Cowork

Note: Currently, Saeree ERP does not have built-in AI features, but they are planned for upcoming development.

However, organizations using Saeree ERP can use Cowork as a complementary tool:

  • Export reports from ERP (Excel, CSV) → let Cowork analyze and create executive summaries.
  • Financial statements → let Cowork compare figures across months and create automated Dashboards.
  • Inventory data → let Cowork analyze Stock Movement and alert on items that need Reordering.
  • HR data → let Cowork summarize Attendance reports and Leave Balances.

Caution:

  • Data that Cowork reads will be sent to Anthropic Servers for processing.
  • Data containing personal information of customers/employees should be anonymized before sending to Cowork.
  • For critical business data, use the Enterprise Plan with Zero Data Retention (ZDR).

Summary

Cowork is a major step toward making AI Agents accessible to everyone — you do not need to be a developer or have technical knowledge. Through the familiar Claude Desktop, Cowork lets you delegate document tasks, data analysis, and automation to AI for real — no more copy-pasting from Chat.

However, Cowork is still in Research Preview status, which means there may still be some bugs, and features may change in the future. Users should always verify Cowork's output, especially for tasks with significant impact.

A good AI Agent is not one that does everything for you, but one that works seamlessly alongside you — like a skilled, diligent coworker who is always ready to help. Cowork is the first step in making this vision a reality.

- Saeree ERP Development Team

If your organization needs an ERP system to manage data systematically while being ready for AI-powered enhancements in the future, you can schedule a Demo or contact our consulting team for further discussion.

Interested in ERP for your organization?

Consult with our expert team at Grand Linux Solution — free of charge

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Call 02-347-7730 | sale@grandlinux.com

Saeree ERP Team

About the Author

Paitoon Butri

Network & Server Security Specialist, Grand Linux Solution Co., Ltd.