Codebase-aware analysis
Reads and searches project files to understand the surrounding implementation before proposing or making changes.
Claude Code
Freemium
Claude Code is an agentic coding tool from Anthropic that reads codebases, edits files, runs commands, and supports development work from the terminal, IDE, desktop app, or browser. It is designed for developers handling tasks such as bug fixes, tests, onboarding, and code migrations.
Claude Codeとは？
Claude Code is an agentic coding tool from Anthropic for working directly with software projects. It can read a codebase, make changes across files, run commands, and integrate with development tools. Rather than limiting interaction to isolated code suggestions, it supports task-oriented work such as investigating a bug, implementing a fix, writing tests, or explaining how an unfamiliar repository is organized.
The product is available through several surfaces, including a terminal CLI, IDE integrations, a desktop app, and the web. The homepage also lists access through Slack, while the documentation identifies terminal, VS Code, JetBrains, desktop, and web workflows. Depending on the surface, use may require a Claude subscription or an Anthropic Console account.
Claude Code is intended for both focused coding sessions and longer-running work. Users can give it a bug fix, test task, or migration to handle, then steer and review its progress. The documented examples show it inspecting relevant files, searching a codebase, running commands, editing files, and reporting what it changed.
Claude Codeでできること
Multi-file editing
Updates related files as part of a single task, including implementation, configuration, styles, or tests when the work requires it.
Command execution
Runs commands during a workflow, allowing development tasks and project inspection from the terminal-oriented environment.
Task-oriented agent workflows
Accepts work such as bug fixes, test writing, onboarding explanations, and multi-day migrations while users guide and review progress.
Multiple development surfaces
Supports use in the terminal, VS Code, JetBrains, a desktop app, and the web; the product site also lists Slack.
利用シーン
“Investigating and fixing bugs”
Give Claude Code a reproducible issue and have it trace the relevant flow, identify a likely root cause, edit the implementation, and report the changes.
“Writing and updating tests”
Use it to work on tests within an existing repository, including locating the relevant module and making associated code changes where needed.
“Onboarding to an unfamiliar codebase”
Ask for an explanation of a repository’s purpose, architecture, components, and organization before manually reading every directory.
“Larger migrations and extended tasks”
Assign a migration or other work that may run for hours or days, then review and steer the agent as it progresses.
よくある質問
What is Claude Code?
Claude Code is Anthropic’s agentic coding tool. It reads codebases, edits files, runs commands, and integrates with development tools to help with software development tasks.
Where can I use Claude Code?
The documented surfaces include the terminal, VS Code, JetBrains, a desktop app, and the web. The product homepage also lists Slack, as well as mobile access points and GitHub among its available ways to use Claude Code.
What kinds of tasks can it handle?
The site presents bug fixes, test work, codebase onboarding, and migrations as example tasks. It is also positioned for work that may continue for hours or days, with users able to steer and review the process.
Do I need a Claude subscription?
Most surfaces require either a Claude subscription or an Anthropic Console account. The homepage states that Claude Code is included with Claude Pro and Max plans, and pricing information lists Pro at $20 monthly or $17 per month with an annual subscription discount, Max 5x at $100 per month, and Max 20x at $200 per month. Usage limits apply, and prices may change.
クイック情報
- Product type
- Agentic AI coding tool
- Provider
- Anthropic
- Primary users
- Software developers and teams working on codebases
- Available surfaces
- Terminal, VS Code, JetBrains, desktop app, web, and Slack
- Supported operating systems
- macOS, Linux, and Windows are listed on the product homepage
- Typical workflow
- Read and search code, investigate or plan, edit files, run commands, and review results
Claude Codeの代替品
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