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Claude Code is a terminal-native AI coding tool from Anthropic, with the slogan “Your Code Base AI Teammate”. Claude Code is not a simple complementary plug-in, but a fully automated programmer that can read and understand the whole warehouse, change files, run tests, and raise PRs by itself. 2025, after its debut in February, it has been iterated for 8 editions, and in October, Claude Code on the Web (cloud sandbox edition) was launched, and in November, under the support of Sonnet 4.5, it got a score of 73.3% on SWE-bench and became the strongest coding agent in the world. Agent.
Core Functions (2025 Latest)
| Functions | What it can do | 2025 New Killer Features |
|---|---|---|
| Natural language feature building | Say “add an OAuth login” → auto change across files. | /feature-dev slash command: ask for requirements → write spec → list TODO → step by step |
| Code Interpretation Tool | Select 500 lines → Ask “What is this for?”. | Flowchart + Dependency Chain in seconds |
| Auto Fix & Refactor | “Fix all lints” / “Change callbacks to async” | Checkpoint: archive every change, double click Esc to rollback |
| Git Full Process | “Resolve conflicts” / “Write release note” | Auto cherry-pick + smart PR description |
| Test Driver | “Write red test first” → run → patch code → green | Auto-patch edge cases with 90%+ coverage |
| MCP toolchain | Connect to Figma/Slack/Drive | One sentence “crawl GitHub issues” → auto-tagging |
| Code Review | “/code-review” | Catch typo’s, bad flavors, and latent bugs harder than SonarQube. |
| Web Cloud Sandbox | Open a new project in the browser | PR on your phone without a local environment |
| VS Code plugin | Real-time diff in sidebar | Graphical Checkpoint + Search History |
Four Unique Features (Kills Copilot/Cursor)
- Checkpoint safety net Every step to change the code before the automatic snapshot, rollback 0 cost. 2025 September open source sandbox-runtime, macOS seatbelt + Linux Bubblewrap, double insurance.
- Full repository context + MCP 200K context + customization tools, know your bash alias, internal API, private npm.
- Sandbox autonomy Open /sandbox 0 privilege popup, run npm install, git push by yourself.
- Open source plugin ecology GitHub anthropics/claude-code has 2.3k star, community plugin one-click load.
Support environment (out of the box)
- Terminal: npm i -g @anthropic-ai/claude-code → claude
- IDE: VS Code official extension (market search “Claude Code”)
- Web/mobile: claude.ai → “New Code Session”
- API: anthropic.com/api → MCP SDK
- Enterprise: Private Sandbox + Audit Logs
30-second guide to getting started
- In the terminal, hit claude → select repository
- Type: “Help me change login.ts to OAuth”.
- See live diff → hit accept
- “/test” → autocomplete 12 tests → all green
- “/pr” → GitHub PR ready
Pricing Family Bucket (2025.11)
| Plans | Monthly Fee | Coding Privileges |
|---|---|---|
| Free | 0 | 20 times per day Agent |
| Pro | $20 | Unlimited Terminals + Basic MCP |
| Max | $100 | Checkpoint Unlimited + Cloud Sandbox |
| Team | $30/person | Shared CLAUDE.md + Audit |
| Enterprise | Customization | Private Model + 1h Autonomy |
Who’s better than GitHub Copilot?
| Projects | Claude Code | Copilot |
|---|---|---|
| Autonomy | Runs the entire process itself | Manual Confirmation |
| Rollback | Checkpoint one click | No |
| Security Sandbox | OS Level Isolation | None |
| Enterprise Tools | MCP Native | Plug-in required |
| Price | Terminal Free | Pro+ $39 |
Real Developer Voices
- “It used to take 1 hour to merge conflict, now it makes Claude Code run in 30 seconds.” –Brex Engineer
- “Checkpoint makes me dare to hand over all 3000 lines of refactoring to AI.”–NBIM TL
- “Open web version on my phone, fix bugs in the subway, and PR to the company group.” –Brex Engineer –Indie Developer
Summarize
The Claude Code of 2025 is the AI programmer who can git, write tests, rollback, and stand alone. Hit one command and it writes 100 lines of code for you. Open a terminal, type claude, and your code base will be 80% less likely to hit the keyboard and 2 hours more likely to sleep! 🚀
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