EN

Build Your FIRST AI Agent in Claude Code. (11 Minutes).

#AI Tools
2026-11-06 16:0012 min read

Content Introduction
Ask Questions

The video explains how to build and use an AI agent in Claude Code to manage personal tasks autonomously. It contrasts ordinary chat-based AI with agents that can plan, use tools, break work into subagents, and keep working until tasks are complete. The creator shows how to set up a project, create a .claude.md instruction file, use planning mode for approval, and then run the agent in auto mode. The demo includes a to-do agent that sorts tasks into categories, creates drafts for email approvals, and works across desktop and phone through cloud-stored artifacts. The result is a personalized, always-available productivity system that saves time and adapts to user preferences.

Key Information

  • The speaker partnered with Anthropic to demonstrate building AI agents, specifically a to-do list agent, using Claude Code.
  • An AI agent differs from a normal assistant because it is given a goal, determines its own steps, uses tools, checks its work, and continues until the task is completed.
  • Subagents are smaller assistants that the main agent can assign parts of a task to, then combine the results at the end.
  • The tutorial uses Claude desktop/Claude Code in local mode with an empty project folder and a paid plan.
  • Creating a .claude.md file is important because it stores user preferences and instructions so Claude remembers them in future sessions.
  • Planning mode lets Claude think through the request, ask questions, and present a plan before making changes; switching to auto mode lets it execute approved tasks.
  • The creator uses voice input because speaking is faster than typing and helps provide more detailed instructions.
  • The to-do agent is customized with preferences like premium-looking design, shorter messages, subagent use, and requiring approval before sending anything.
  • The resulting dashboard sorts tasks by category, tracks progress, shows delegation metrics, and can suggest additional tasks.
  • Claude’s artifact system stores the created app in the cloud, making it accessible from both computer and phone.
  • The demo includes sending a task list, generating drafts for emails, and creating outputs like a 2027 planner, with the user remaining the final approver.
  • The video concludes that the agent completes multiple tasks, saves significant time, and can be used to create more advanced agents with Claude Code.

Timeline Analysis

Content Keywords

Claude Code AI Agents

The video explains how to build an AI agent in Claude Code, using a to-do list agent as the example. It covers the difference between chat-based assistance and autonomous agentic AI, how subagents divide tasks, and how the main agent coordinates and checks work until completion.

Claude Planning Mode

The script highlights Claude's planning mode, where the AI first analyzes a request, asks clarifying questions, and presents a plan before taking action. This helps users approve the workflow in advance and keeps the building process safer and more controlled.

.claude.md Memory File

A key setup step is creating a .claude.md file to store user preferences, instructions, and recurring rules. Claude reads this file first in future sessions, allowing the agent to remember style preferences, approval rules, and task-handling instructions.

Subagents Workflow

The video explains that a main agent can split a larger goal into smaller parts and delegate them to multiple subagents. Each subagent handles its own task, then reports back so the lead agent can combine the results into one final output.

Claude Artifacts and Cross-Device Access

The tutorial shows that Claude creates artifacts, which are pages or small apps stored in the Claude account and accessible from any device. This enables the same agent workflow to be used on both desktop and phone, even when the computer is off.

Task Automation and Delegation Score

The finished dashboard tracks completed tasks, time saved, and a delegation score that reflects how much work the agent handled. The video demonstrates real-world use cases like booking appointments, generating shopping help, and creating planners and gift-related drafts.

Related questions&answers

What is an AI agent?

An AI agent is a system that can act independently, use tools, and work toward a goal rather than just answering questions.

How is an AI agent different from a regular chatbot?

A regular chatbot gives advice or answers, while an AI agent can take steps on its own to complete a task.

What are subagents?

Subagents are helper assistants that handle smaller parts of a larger task and report back to the main agent.

What is the main advantage of using subagents?

Subagents can work on different parts of a task at the same time, helping the main agent finish faster.

What is planning mode in Claude?

Planning mode lets Claude think through a request, ask questions, and show a plan before taking action.

Why use planning mode before building an agent?

It helps make sure Claude understands your needs fully before it starts creating anything.

What is the purpose of the .claude.md file?

The .claude.md file stores your preferences and instructions so Claude can remember how you like tasks done.

Why should you create a .claude.md file first?

It gives Claude context about your preferences, style, and rules, so you do not have to repeat yourself.

What kind of preferences can be stored in .claude.md?

You can store things like preferred style, message length, approval rules, and how you want tasks completed.

What is auto mode in Claude Code?

Auto mode lets Claude approve safe actions automatically while blocking risky ones.

Why use auto mode instead of approving every step manually?

It saves time while still keeping safety safeguards in place.

What is the role of the human user when Claude acts as an agent?

The human remains the mediator and still approves important actions, like sending emails.

What is an artifact in Claude?

An artifact is a page or small application Claude creates and stores in your Claude account.

Can Claude artifacts be accessed from a phone?

Yes. Since artifacts are stored in the cloud, you can access them from different devices, including your phone.

What is the example agent built in the video?

The video builds a to-do list agent that organizes tasks and helps manage daily life.

What kinds of tasks can the to-do agent handle?

It can help with appointment scheduling, shopping help, holiday planning, and other personal tasks.

Does Claude automatically send emails in this setup?

No. It creates email drafts and waits for the user to press send.

Why is it important that Claude does not send emails automatically?

Because the user should keep final control over outgoing messages.

What kind of results can Claude generate as an agent?

It can create dashboards, planners, guides, postcards, and other organized outputs based on the tasks you give it.

What is the delegation score shown in the dashboard?

It shows how much of the task list the agent was able to complete for you.

More video recommendations

Share to: