1. What Is a Plugin? Core Concepts Explained for Beginners
Anthropic has just released a set of 11 specialized Plugins for Claude, transforming this AI model from a simple conversational assistant into a dedicated specialist capable of solving end-to-end enterprise business problems.
At its core, each plugin is a folder containing plain text files—no complex programming required—consisting of 3 core components:
- 1. Skills: Contain in-depth instructions on standard workflows for each specific domain (Marketing, Sales, Legal, Finance).
- 2. Connectors: API bridges that allow Claude to read and write data directly to enterprise software such as HubSpot, Salesforce, GitHub, Jira, and Notion.
- 3. Prompts: Pre-tuned prompt templates designed to execute complex tasks immediately without requiring users to craft prompts from scratch.
CONNECTOR NOTE
Connectors do not activate automatically. After installing a plugin, you must still log in and grant security permissions for each tool. If external software is not connected yet, the plugin will still function normally on the documents you upload.
2. Guide to 2 Ways to Install Plugins for Claude Cowork & Claude Code
You can install and use the set of 11 plugins in 2 ways depending on your workflow:
Method A: Installation via the Claude Cowork Visual Interface (Recommended)
For office workers, managers, and content creators:
- Log in to your Claude account on the web or desktop app.
- Open the Settings menu and navigate to Plugins & Connectors.
- Select the plugin corresponding to your department (e.g., Marketing or Customer Support) and click Install.
- When creating a new Cowork session, type a forward slash
/ to call the plugin’s specialized commands.
Method B: Install via Terminal Command Line for Claude Code
For engineers and developers who want to automate tasks within a CLI environment:
claude plugin marketplace add anthropics/knowledge-work-plugins
claude plugin install sales@knowledge-work-plugins
3. Summary Table of 11 Official Free Plugins from Anthropic
⇄ Swipe horizontally to view full table
| Plugin |
Target Department |
Connectors |
Core Value |
| 1. Marketing |
Content, Communications |
WordPress, Webflow, Google Analytics |
Create posts aligned with Brand Voice |
| 2. Sales |
Sales, Business Development |
HubSpot, Salesforce, LinkedIn |
Draft personalized emails, filter deals |
| 3. Customer Support |
Customer Service |
Zendesk, Intercom, Gmail |
Instantly categorize and respond to tickets |
| 4. Finance |
Accounting, Financial Management |
QuickBooks, Xero, Excel / Sheets |
Analyze P&L reports, forecast cash flow |
| 5. Legal |
Legal, Risk Management |
DocuSign, Ironclad, Google Drive |
Review contracts, flag unfavorable terms |
| 6. Product Management |
Product Management (PO/PM) |
Jira, Linear, Notion, Figma |
Write PRDs, analyze User Stories |
| 7. HR & Recruiting |
Human Resources, Recruiting |
Greenhouse, Lever, LinkedIn Recruiter |
Screen resumes, draft interview questions |
| 8. Data Analysis |
Business Data Analysis |
Snowflake, BigQuery, Tableau |
Query SQL and generate visual charts |
| 9. Engineering |
Software Engineering |
GitHub, GitLab, Sentry |
Review pull requests, analyze error logs |
| 10. Design |
UI/UX & Graphic Design |
Figma, Adobe Creative Cloud |
Generate Design Tokens, audit interfaces |
| 11. Operations |
Business Operations |
Slack, Asana, Google Workspace |
Standardize SOP workflows, schedule projects |
4. Battle-Tested Prompt Sets Optimized for the Vietnamese Enterprise Market
Anthropic’s default prompts are tailored to US enterprise standards. Below are 3 core prompt sets fine-tuned by the DevPixel VN team to align with Vietnamese business culture and legal requirements:
Prompt Set 1: Marketing & Brand Communications
Includes workflows for ingesting brand voice and creating cross-channel content (Facebook, TikTok, Email Marketing):
MARKETING PROMPT SET: VIETNAM EDITION
DevPixel VN · devpixelvn.com
Based on Anthropic's Marketing plugin, rewritten for the Vietnamese context.
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PROMPT 1. INGEST BRAND VOICE (run ONCE, before all other prompts)
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From now on, when writing content for us, always adhere to the following brand profile.
BRAND NAME: [name]
PRODUCT: [1-2 sentence description]
AUDIENCE: [age, gender, occupation, income, primary pain points]
TONE OF VOICE: [choose: Friendly & casual / approachable & professional / authoritative expert]
FORM OF ADDRESS: [e.g., Mình - bạn / bên em - anh chị]
PREFERRED WORDS: [list]
BANNED WORDS: [list, e.g., No. 1 in Vietnam, 100% committed, optimal solution]
SENTENCE LENGTH: Prioritize short sentences, maximum 20 words per sentence
PROHIBITED: Using emojis unless explicitly requested; using em dashes; using ALL CAPS for emphasis
Recap this profile in 3 sentences so we can confirm you have understood correctly.
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PROMPT 2. CAMPAIGN PLANNING
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Create a marketing campaign plan.
Product: [name], price [amount] VND
Goal: [number] orders or [number] sign-ups, within [number] weeks
Budget: [amount] VND
Existing channels: Facebook Page [number] followers, TikTok [number], Zalo OA [number], email [number] addresses
Main competitors: [names of 2-3 competitors]
Return in Vietnamese:
1. Core message: one sentence, under 15 words
2. Three different content angles, each with a rationale explaining why it resonates with the target audience
3. Weekly content calendar: What to post each week, on which channel, content format
4. Budget breakdown by week and channel, denominated in VND, including the rationale for this allocation
5. Three key metrics to track, along with warning thresholds that trigger a pause and pivot
6. Contingency plan if results after Week 1 are more than 50% below expectations
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PROMPT 3. MULTI-CHANNEL CONTENT REPURPOSING FROM A SINGLE IDEA
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Core idea: [describe the idea or paste a long-form article]
Transform this into 5 content formats, strictly maintaining the ingested brand voice:
1. Facebook post: 150-200 words, with a hook in the first 2 lines
2. 30-second TikTok script: Broken down second-by-second, clearly specifying spoken dialogue and on-screen visuals
3. Email to customer list: Maximum 150 words, with a single, clear call to action
4. Three ad headlines under 40 characters each
5. Zalo OA broadcast message, maximum 60 words
Each content piece must stand independently and not feel like a mechanical translation of the others.
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PROMPT 4. COMPETITOR ANALYSIS
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Analyze our competitor for us.
Competitor: [name, website, fanpage]
Attached: [screenshots of their posts, price list, or press articles]
Our product: [description]
Return in Vietnamese:
1. How they position us/the market: one sentence
2. Core message and tone of voice they use
3. Their strongest channel, backed by supporting evidence
4. Three things they do better than us
5. Three untapped gaps they leave open that we can exploit
6. A single positioning statement for our brand to clearly differentiate from them
Base your analysis solely on provided data and publicly accessible information.
Do not speculate on their revenue or advertising budget.
Prompt Set 2: Corporate Finance Aligned with Vietnamese Accounting Standards (VAS)
Automatically analyze revenue and expense reports in VND currency and in accordance with Vietnamese Accounting Standards:
FINANCIAL PROMPT SET: VIETNAM EDITION
DevPixel VN · devpixelvn.com
Based on Anthropic's Finance plugin, replacing US standards with VAS-aligned notes.
WARNING: This is a support tool, NOT a replacement for a qualified accountant.
Always manually verify all figures before submitting reports.
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FOUNDATIONAL CONTEXT (paste at the start of each session)
=====================================================================
Operating Context:
- Vietnamese enterprise, currency in VND, accounting period based on the calendar year
- Applying Vietnamese Accounting Standards (VAS), chart of accounts per [Circular 200 or Circular 133]
- DO NOT apply US GAAP or IFRS unless explicitly requested
- Value Added Tax (VAT): [credit method / direct method]
Mandatory rules for all responses:
1. Do not auto-fill missing figures. If data is missing, note "additional data required"
2. Do not round numbers unless explicitly requested
3. All calculations must show the formula for cross-verification
4. At the end of the response, list all assumptions used
=====================================================================
PROMPT 1. BOOKKEEPING RECONCILIATION
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I am attaching 2 data sources:
- Source A: [e.g., July Bank Statement]
- Source B: [e.g., Cash at Bank Ledger]
Please reconcile and provide:
1. Matched transactions table: Date, description, amount
2. Transactions appearing only in Source A table
3. Transactions appearing only in Source B table
4. Transactions with matching dates but differing amounts table, clearly indicating the variance
5. For each discrepancy: The most probable cause (e.g., unrecorded bank fees, uncleared checks, incorrect date entry)
6. Total discrepancy and a conclusion on whether it is balanced
7. List of items requiring manual review, sorted by severity
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PROMPT 2. BUDGET VS. ACTUAL VARIANCE ANALYSIS
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I am attaching the planned budget and actual figures for the [month/quarter] period.
Provide:
1. Comparison table for each line item: Budget, Actual, absolute variance, percentage variance
2. Highlight line items with variance exceeding [10]%, both favorable and unfavorable
3. For each significant variance: Three possible root causes, ranked by probability
4. The three most critical concerns and the specific departments we should query
5. A forecast of end-of-period outcomes if current trends continue
6. A 5-bullet-point executive summary for leadership reporting
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PROMPT 3. FINANCIAL STATEMENT INTERPRETATION
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I am attaching the financial statements of [company] for [period].
Explain in plain language for a NON-accountant:
1. Where this company generates cash, where it spends cash, phrased in everyday terms
2. Financial health: Sound, average, or concerning, supported by 3 quantitative proofs
3. Key financial ratios, including formulas and significance: Gross profit margin, net profit margin, current ratio, inventory turnover, debt-to-equity ratio
4. Three anomalous red flags that warrant scrutiny
5. Three questions that should be posed to executive management
Each metric must clearly state the exact line item and page/table from the report where the figure was retrieved.
=====================================================================
PROMPT 4. 13-WEEK CASH FLOW FORECAST
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Prepare a 13-week rolling cash flow forecast.
Available input data:
- Current cash balance: [amount] VND
- Accounts receivable: [paste table or description, with payment terms/aging]
- Accounts payable: [paste table, with payment terms/due dates]
- Monthly fixed expenses: [payroll, facility lease, utilities, others]
- Projected revenue: [amount] VND per month
Provide:
1. Weekly cash flow schedule: Beginning balance, cash receipts, cash disbursements, ending balance
2. Clearly identify weeks at risk of negative cash balance
3. Three mitigation strategies for cash deficits, sorted from lowest to highest cost
4. Three most sensitive assumptions: Impact on net cash if variance reaches 20%
5. Early warning indicators: Metrics requiring continuous weekly monitoring
Prompt Set 3: Customer Support (Zalo, Facebook, Email)
Classify message urgency levels and draft polite, friendly responses:
CUSTOMER SUPPORT PROMPT SET: VIETNAM EDITION
DevPixel VN · devpixelvn.com
Based on Anthropic's Customer Support plugin.
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PROMPT 1. BATCH MESSAGE CLASSIFICATION
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Here are [number] customer messages we received in [time period], collected from Facebook, Zalo, and email:
[paste all messages, one per line]
Please categorize them for us:
1. Group by topic, indicating the message count for each group
2. Assign priority to each message: URGENT (customer is angry or losing money), NORMAL, CAN WAIT
3. For the URGENT group: Clearly state why it is urgent and the recommended response timeframe
4. The top three most recurring issues, which indicate potential product or process flaws
5. Which messages can be answered using pre-made templates, and which require human handling
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PROMPT 2. DRAFTING RESPONSES
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Customer message:
[paste verbatim]
Context:
- Customer purchased: [product], on [date]
- History: [new customer / returning customer / has complained before]
- Relevant company policies: [paste return, warranty policies...]
- Channel: [Facebook / Zalo / email]
Write a response in Vietnamese:
- Pronouns: [bên em - anh/chị]
- Concise and appropriate for the channel: under 80 words for Zalo and Facebook, under 150 words for email
- Structure: Acknowledge the issue, state what we will do, specify clear timelines
- Do not make promises not allowed by policy
- Avoid robotic phrases like "we apologize for any inconvenience caused"
Write 2 versions: One concise version, one warmer version.
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PROMPT 3. HANDLING ANGRY CUSTOMERS
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The customer is very angry. Verbatim message:
[paste message]
The facts of the incident: [truthfully describe what happened, whose fault it is]
What we are authorized to do: [e.g., Refund up to 500,000 VND, exchange item, offer voucher]
Provide:
1. Assessment: Is the customer angry due to lost money, wasted time, or feeling disrespected?
2. A de-escalation response, to be sent within 5 minutes, under 60 words
3. A complete response with specific resolution steps
4. Three things ABSOLUTELY forbidden to say in this situation
5. Next steps if the customer still remains dissatisfied
If the fault lies with the company, admit it directly without dodging.
=====================================================================
PROMPT 4. TURNING RECURRING QUESTIONS INTO KNOWLEDGE BASE GUIDES
=====================================================================
Over the past three months, customers have repeatedly asked the following questions:
[list questions]
Write a guide to publish on the support portal:
1. Title matching the exact search phrasing customers frequently use
2. A quick answer right at the top of the article for those in a hurry
3. Step-by-step instructions, one action per step, explicitly stating where to click
4. A "What if it still doesn't work?" troubleshooting section
5. Three related questions that should be linked
Write for non-tech-savvy users. Avoid technical jargon.
Wherever technical terms are unavoidable, explain them immediately in a single sentence.
5. Reality Check: Apache-2.0 License & Actual Costs
Many videos online promote this toolkit as ‘100% completely free’. It is important to look at the following 3 technical points accurately to avoid misunderstandings:
- 100% Free Open Source: The 11 plugins hosted on GitHub are themselves licensed under Apache-2.0. You are free to download, modify, and integrate them into your internal systems without paying any licensing fees.
- Paid Claude Account Required to Use Cowork: To activate the Plugin feature directly within the Claude Cowork interface, your account must be on a Pro ($20/month), Team, or Enterprise plan.
- Third-Party Software Costs: Connectors linking to paid services (such as HubSpot, Salesforce, Snowflake) still require separate accounts and licenses from those respective providers.
PERFORMANCE OPTIMIZATION TIP
You should only activate 1 to 2 plugins that match your core expertise. Enabling too many plugins at the same time will dilute Claude’s context and consume unnecessary tokens.
6. Frequently Asked Questions & Troubleshooting (FAQ)
A summary of answers regarding technical issues and costs when running Anthropic’s 11 plugins:
Can I install these 11 plugins with a free Claude Free account?
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On the Claude Cowork web interface, the plugin feature is currently only available for Pro accounts and above. However, if you use the command-line version Claude Code or integrate via the API, you can completely read and load the plugin instruction files for free.
Is customer data loaded into the plugins used to train the AI?
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For paid Claude Pro, Team, and Enterprise accounts, Anthropic commits to not using conversation data and internal user files to train foundation models, ensuring the security of trade secrets.
The slash command /marketing or /sales does not appear in the chat box?
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Please double-check whether the plugin has been installed via the Install button in Settings. Then reload the page (F5) or start a new Cowork session so the system can reload the entire command catalog.
Can I customize the prompt content in Anthropic’s plugins myself?
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Absolutely. Because the plugins are distributed under the open-source Apache-2.0 license, you can clone the GitHub repository locally, edit the markdown files to add your company’s own rules, and then load them for use.
Claude responds in English even though I wrote the prompt in Vietnamese?
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Add the following prompt to the beginning of the conversation: ‘All response outputs must be in natural Vietnamese, suitable for Vietnamese business readers.’ Or save this instruction in Claude’s Project Instructions.
Can the Finance plugin completely replace a company’s chief accountant?
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Absolutely not. AI only serves to perform preliminary data analysis and suggest options. All financial figures, taxes, and reports submitted to state authorities must be approved by a certified professional auditor.
Does installing multiple plugins at the same time slow down Claude?
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Yes. Each plugin loads an additional set of system instructions into Claude’s temporary memory. If you install more than 5 plugins at once, the context window will narrow, reducing focus and increasing response times.
How do I remove a plugin that is no longer needed?
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Go back to Settings > Plugins & Connectors, locate the plugin you want to remove, and click Uninstall. For the Claude Code CLI, run the command claude plugin uninstall <plugin-name>.
Read next: Compilation of 100 Prompt Shortcuts to Maximize Productivity with Claude
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