Introduction: Why Should You Care About Claude’s New Tools?

Remember when AI was just about asking questions and getting text answers? Those days are over.

In 2026, Claude AI — built by Anthropic — has transformed from a chatbot into a full-fledged digital assistant that can actually do work on your behalf. Whether you are a Chartered Accountant preparing tax returns, a business owner managing operations, a doctor running a clinic, or a student working on a project, Claude’s new tools can save you hours of work every single day.

But here is the challenge — there are so many new tools that it can be confusing to know which one does what, and how to use them effectively. This blog is your complete guide. We will break down each tool in simple, everyday language so that even if you have never used AI before, you will understand exactly how these tools can help you.

Quick Overview: Claude’s Game-Changing Tools at a Glance

1. Claude Code — Your AI Coding Partner

What Is It?

Claude Code is Anthropic’s AI-powered coding assistant that lives right inside your computer’s terminal (command line). Think of it as having a highly skilled programmer sitting next to you who can read your entire project, write new code, fix bugs, and even manage your version control (Git) — all through simple English instructions.

How Does It Work?

Instead of typing code yourself, you describe what you want in plain language. For example, you can say “Add a login feature to my website” and Claude Code will plan the approach, write the code across multiple files, and verify that it works. Claude Code can run in multiple environments — your terminal, VS Code editor, JetBrains IDE, or even directly in your web browser at claude.ai/code.

Key Features

•      Full Codebase Understanding: Claude Code reads and understands your entire project, not just one file at a time. This means it knows how different parts of your code connect to each other.

•      Multi-File Operations: It can make changes across dozens of files simultaneously — something that would take a human developer hours to accomplish manually.

•      Git Integration: It can create branches, write commit messages, stage changes, and even open pull requests automatically without you leaving the terminal.

•      Agent Teams (Research Preview): Multiple Claude agents can work together on different parts of your project simultaneously, like a virtual development team.

•      Auto-Memory: Claude Code now automatically remembers context from your project sessions, so you do not have to repeat yourself every time.

•     Security Scanning: Claude Code Security can scan your codebase for vulnerabilities that traditional scanning tools often miss.

Real-World Use Cases

Who Should Use It? Software developers, IT professionals, tech-savvy business owners, and anyone building or maintaining software applications.

2. Claude Cowork — Your AI Desktop Assistant

What Is It?

Claude Cowork is perhaps the most exciting tool for non-technical users. It brings the power of Claude directly to your desktop computer. You point it to a folder on your computer, describe what you need, and Claude does the work — creating documents, organising files, building spreadsheets, and more. Think of Cowork as hiring a smart, tireless assistant who can work with all your computer files.

How Does It Work?

When you start a Cowork session, you give Claude access to a specific folder on your computer. Claude can then read, create, edit, and organise files within that folder. You simply describe the outcome you want, and Claude plans the steps and completes the work. It runs inside a secure, isolated virtual machine (sandbox) on your computer, so it cannot access anything you have not explicitly permitted.

Key Features

•      File System Access: Claude can read, create, edit, and organise files in your chosen folders — from PDFs to images to spreadsheets.

•     Document Creation: Creates professional Word documents, Excel spreadsheets, PowerPoint presentations, and PDF files with proper formatting.

•     Parallel Task Execution: You can queue up multiple tasks and Claude works through them without waiting for each one to finish.

•      Browser Integration: When paired with Claude in Chrome, it can also perform web-based tasks like research and form filling.

•      Plugins: Pre-built bundles for specific roles — HR, finance, legal, design, operations, and many more industries.

•      Connectors: Connect to Google Drive, Gmail, DocuSign, FactSet, and many other enterprise tools.

Real-World Use Cases

Who Should Use It? Everyone. Knowledge workers, office managers, accountants, project managers, consultants, and anyone who works with documents and files regularly. Available for Pro (~₹1,700/month), Max, Team, and Enterprise plan subscribers.

3. Claude in Chrome — Your AI Browser Assistant

What Is It?

Claude in Chrome is a browser extension that lets Claude see your web pages and take actions on them — just like a human would. It can click buttons, fill out forms, navigate between pages, read content, and take screenshots. Imagine having someone who can browse the internet for you, collect information from multiple websites, fill out tedious forms, and compile everything into a report — that is what Claude in Chrome does.

How Does It Work?

Once you install the extension from the Chrome Web Store, Claude appears in a side panel while you browse. You can ask it to perform tasks on the web page you are viewing, or give it a broader task that involves navigating multiple pages. When combined with Cowork, Claude in Chrome becomes even more powerful — it can research online and then create polished documents, spreadsheets, and presentations from what it finds.

Key Features

•        Page Reading & Navigation: Claude can see what is on your screen, scroll through pages, and navigate to different websites.

•        Form Filling: Automatically fills out online forms using data you provide or from your uploaded documents.

•        Tab Management: Can work across multiple browser tabs simultaneously, eliminating manual switching.

•        Scheduled Tasks: Set recurring browser tasks to run automatically — daily, weekly, or monthly.

•        Developer Integration: Works with Claude Code for testing and verifying web applications directly in the browser.

Real-World Use Cases

Safety Note: Only grant permissions to websites you trust. Always review Claude’s plan before it handles financial or sensitive tasks. Some websites may contain hidden instructions that try to manipulate AI — if Claude acts unexpectedly, pause and review.

Who Should Use It? Researchers, marketers, data analysts, professionals who need to collect information from multiple websites, and anyone who fills out forms regularly. Available on all paid plans.

4. Claude in Excel — Your AI Spreadsheet Expert

What Is It?

Claude in Excel is an official add-in that puts Claude right inside your Microsoft Excel application. It adds an AI sidebar where you can chat with Claude about your spreadsheet, ask it to explain formulas, find errors, create new models, and make changes — all without leaving Excel. It is like having a spreadsheet expert sitting beside you who understands every formula, every cell reference, and every data connection in your workbook.

How Does It Work?

You install the add-in from the Microsoft Marketplace, sign in with your Claude account, and a Claude sidebar appears in Excel. You can then ask Claude questions about your data, request it to create formulas, build pivot tables, generate charts, or debug errors — all through natural language conversation.

Key Features (After February 2026 Updates)

•        Full Workbook Understanding: Claude reads and understands multi-tab, complex workbooks — including how different sheets and formulas connect to each other.

•        Pivot Table Editing: Can create, sort, filter, and modify pivot tables directly through simple instructions.

•        Chart Editing: Adjust chart axes, labels, legends, and formatting by simply describing what you want.

•        Conditional Formatting: Apply data bars, colour scales, and value-based formatting rules automatically.

•        Error Debugging: Traces errors like #REF!, #VALUE!, and circular references back to their source and suggests fixes.

•        MCP Connectors: Pull live data from S&P Global, LSEG, Daloopa, PitchBook, Moody’s, and FactSet directly into your spreadsheets.

•        Session Logging: Creates a “Claude Log” tab to track all changes made during a session for full transparency.

•        Ask Before Edits Mode: Claude shows its plan and waits for your approval before modifying any data in your workbook.

Real-World Use Cases

Who Should Use It? Chartered Accountants, financial analysts, auditors, business owners, and anyone who works extensively with spreadsheets. Available on Pro, Max, Team, and Enterprise plans.

5. Agent Skills — Teaching Claude to Be a Specialist

What Is It?

Agent Skills are reusable instruction sets that teach Claude how to perform specific tasks. Think of them as “training manuals” for your AI assistant. Instead of explaining the same complex process every time, you create a Skill once, and Claude can use it repeatedly with consistent, high-quality results.

Skills are the reason Claude can now create professional Word documents, Excel spreadsheets, PowerPoint presentations, and other specialised outputs with remarkable quality and consistency.

How Do They Work?

A Skill is simply a folder containing instructions, scripts, and resources. When Claude encounters a relevant task, it reads the appropriate Skill and follows its instructions. Skills work across all Claude applications — Claude.ai, Claude Code, Cowork, and the API. Anthropic provides pre-built Skills, and you can also create custom Skills for your specific needs.

Pre-Built Skills Available

Practical Example: A Chartered Accountant could create a custom Skill called “GST Return Preparation” that includes step-by-step instructions on how to prepare GSTR-1 from sales data, which tables to fill, what validations to run, and how to format the output. Once created, this Skill can be used by the entire firm every month.

Who Should Use It? Teams and professionals who want to standardise their workflows and ensure consistent, high-quality output from Claude every time.

6. Model Context Protocol (MCP) — The Universal Connector

What Is It?

MCP is an open standard created by Anthropic that lets Claude connect to virtually any external tool, database, or application. Think of it as “USB-C for AI” — just as USB-C provides a single cable that works with all your devices, MCP provides a single standard for connecting AI to all your apps.

Before MCP, connecting AI to different tools required separate, custom integrations for each one. MCP changes this by providing one universal protocol that any AI system can use. Notably, OpenAI, Google DeepMind, and Microsoft have also adopted MCP, making it a truly universal standard.

Available Connectors (Pre-Built)

Real-World Use Cases

Who Should Use It? Anyone who uses multiple software tools in their daily work and wants Claude to seamlessly work across all of them.

7. Claude Code Security — Your AI Security Guard

Claude Code Security is a specialised tool that scans your code for security vulnerabilities. Unlike traditional scanning tools that only look for known patterns (like exposed passwords), Claude Code Security reads and understands your code like a human security expert would — tracing how data flows through your application and catching complex vulnerabilities that pattern-matching tools miss.

Using Claude Opus 4.6, Anthropic’s team found over 500 vulnerabilities in production open-source codebases — bugs that had gone undetected for decades despite years of expert review. Each finding comes with a confidence rating, and nothing is applied without human approval. Available to Enterprise and Team customers, with priority access for open-source maintainers.

8. Deep Research — Your AI Research Analyst

Deep Research is Claude’s comprehensive research capability that goes far beyond simple web searches. When you use Deep Research, Claude investigates your query by searching through hundreds of both internal and external sources, synthesising the information, and presenting a thorough, well-organised report with proper citations.

How Is It Different from Regular Search?

Who Should Use It? Researchers, consultants, lawyers, CAs preparing for assessments, and anyone who needs thorough, well-sourced information on complex topics.

How These Tools Work Together — The Bigger Picture

The real magic happens when you combine these tools. Here is an example of a complete workflow for a Chartered Accountant preparing a quarterly client report:

1.     Claude in Chrome visits the Income Tax portal and GST portal to check the latest notifications and circulars.

2.     MCP Connectors pull the client’s financial data from Google Drive and relevant emails from Gmail.

3.     Claude in Excel analyses the financial data, creates pivot tables, and identifies key trends and anomalies.

4.     Agent Skills (custom-built for the firm) ensure the report follows the firm’s standard format and branding.

5.     Claude Cowork compiles everything into a polished Word document and PowerPoint presentation.

6.     Deep Research adds relevant case law citations and regulatory references to strengthen the report.

What would have taken an entire day can now be completed in a fraction of the time, with consistent quality and proper documentation.

Pricing and Plans

Note: Prices are approximate and may vary. INR values are indicative based on current exchange rates. Always check claude.ai for the latest pricing and plan details.

Getting Started: A Simple Step-by-Step Guide

7.     Sign up at claude.ai — you can start with the Free plan to explore basic features.

8.     Try Claude Chat first — ask questions, get help with writing, analysis, or planning to get comfortable.

9.     Upgrade to Pro if you want access to Claude Code, Cowork, Excel, and Chrome tools.

10.  Install Claude in Chrome from the Chrome Web Store for browser automation and web research.

11.  Install Claude in Excel from the Microsoft Marketplace for AI-powered spreadsheet assistance.

12.  Download the Claude Desktop App for Cowork functionality (available on macOS and Windows).

13.  Explore Connectors in Settings to link Claude with your existing tools like Gmail, Drive, and Slack.

14.  Create Custom Skills for tasks you perform repeatedly to ensure consistent, high-quality output.

Important Safety and Privacy Considerations

•        Data Privacy: Cowork conversation history is stored locally on your device, not on Anthropic’s servers.

•        Permission Control: You always choose which folders, files, and connectors Claude can access. Nothing happens without your explicit permission.

•        Human Oversight: Claude asks for approval before taking significant actions, giving you full control at every step.

•        Prompt Injection Risks: Be cautious with untrusted files or websites — they may contain hidden instructions designed to manipulate AI behaviour.

•        Enterprise Controls: Administrators can toggle features on/off and manage access centrally for their organisations.

•        No Ads: Claude products are ad-free. Anthropic does not sell user data to advertisers.

Conclusion: The Future of Work Is Here

Claude’s toolkit in 2026 represents a fundamental shift in how we work with technology. These are not just chat improvements — they are genuinely new capabilities that allow AI to take real actions in the real world on your behalf.

Whether you are a tech professional or someone who has never used AI before, there is a Claude tool that can make your work faster, easier, and more effective. The key is to start small, experiment, and gradually expand your use as you become more comfortable.

The professionals and businesses that embrace these tools now will have a significant advantage over those who wait.

Disclaimer: This blog is published by Himanshu Majithiya & Co., Chartered Accountants, Ahmedabad, for educational and informational purposes only. The information is based on publicly available sources from Anthropic and other reliable technology publications as of March 2026. This is not a paid endorsement. Tool features, pricing, and availability may change. Always refer to the official websites for the most current information. Published in compliance with ICAI Guidelines on advertisements.

Source References: Anthropic Official Blog (claude.com/blog), Anthropic Product Pages (claude.com/product), Claude Help Center (support.claude.com), CNBC, VentureBeat, CNN Business, Built In, DataCamp, XDA Developers.

For more insights on technology, taxation, and business automation, visit www.himanshumajithiya.com or call +91 98795 03465