Cursor

What is Cursor?

Cursor, developed by Anysphere, is an AI code editor based on the GPT3.5 and GPT4.0 models. It supports multiple languages ​​including Python, Java, C#, and JavaScript, and uses keyboard shortcuts to automate code generation, editing, and discussion, significantly improving development efficiency. Cursor also features advanced functions such as code refactoring, understanding, and optimization. Cursor offers web and mobile agents, allowing seamless use of the AI ​​programming agent on any device. Multiple agent tasks can run in parallel. It provides 200 GPT3.5 uses and 50 GPT4.0 uses per month, meeting the needs of most users.

The newly upgraded Cursor 2.0, equipped with the self-developed coding model Composer, can complete complex tasks within 30 seconds, generating code at a speed of 250 tokens/second, 400% faster than its competitors. Cursor 2.0 supports features such as voice-generated code, native browser tool testing, and simultaneous operation of multiple agents. The interface has shifted from a “file-centric” to an “agent-centric” approach. Composer, trained based on reinforcement learning and the MoE architecture, runs directly in real-world environments, demonstrating powerful inference and generalization capabilities.

Cursor version 2.2 introduces a new debug mode that allows for logging during application runtime, helping developers quickly locate and fix complex bugs. The planning mode has also been improved, adding inline flowcharts and task assignment features for more efficient team collaboration. The multi-agent “referee” mechanism automatically evaluates the results of multiple agents, recommends the best solution, and provides detailed comments, eliminating the hassle of filtering results.

Cursor’s main functions

• Code generation : Cursor can automatically generate code based on the developer’s instructions or code context, saving time in writing basic code.
• Intelligent code completion : Provides more accurate code completion suggestions to help developers quickly complete code writing.
• Bug detection and fixing : AI can identify errors in the code and provide fix suggestions, reducing debugging time.
• Code Explanation : When developers have questions about a piece of code, Cursor can provide explanations and functional descriptions of the code.
• Documentation generation : such as the automatic generation of README files, helps developers quickly organize project information.
• Code optimization suggestions : Analyze existing code and provide optimization suggestions to improve code quality and performance.
• Multi-language support : Supports multiple programming languages, providing assistance to developers in different fields.
• Cursor Agent : Cursor’s web and mobile agent. It allows for seamless use of AI-powered programmable agents on any device.
  • Code writing and task execution : The agent can run tasks in the background, such as initiating vulnerability fixes, building new features, or answering complex codebase questions.
  • Cross-device collaboration : Developers can use the Agent on any desktop, tablet, or mobile browser to install it as a Progressive Web App (PWA) and get a native app-like experience.
  • Team collaboration : Team members with code repository access can review Agent changes, view pull requests, and create pull requests directly from the web interface.
  • Rich context support : Users can add images and subsequent commands, and multiple agents can be run in parallel to compare results.
  • Slack Integration : Developers can trigger the Agent in Slack using “@Cursor” and receive a Slack notification upon completion of the task.
  • Using the Agent : You can start using the web and mobile agents by visiting the official website https://www.cursor.com/cn/agents.
• Cursor 2.0 Feature Update :
  • Improved coding efficiency : Cursor 2.0’s Composer model generates code at a rate of 250 tokens per second, completing complex tasks within 30 seconds, which is 400% faster than its competitors.
  • Intelligent programming assistance : Native browser tools can automatically test, debug, and iterate code; the voice code generation function allows developers to convert voice input into code; multi-agent collaboration supports multiple agents running simultaneously without interference and allows for the selection of the best results.
  • Real-world training and practical capabilities : Composer is trained using reinforcement learning and runs in a real-world environment, exhibiting emergent behaviors such as automatic testing and bug fixing, which aligns with developers’ daily workflows.
• Cursor 2.2 Feature Updates :
  • Debug Mode : Logs are embedded during application runtime to help developers proactively discover and fix elusive bugs, saving time in troubleshooting. It is applicable to various technology stacks.
  • Plan Mode Improvements : Added inline Mermaid flowcharts to visually demonstrate AI’s problem-solving approach; supports assigning tasks to different agents to improve team collaboration efficiency.
  • Multi-Agent Judging Mechanism : Automatically evaluates the results of multiple agents, recommends the best solution, and provides detailed comments to help developers quickly select the optimal solution.
  • Pinned Chats : Important chat records can be pinned to the top of the smart agent’s sidebar for quick access and review of important information.

How to use Cursor

• Download and install : Visit Cursor’s official website ( cursor.com ) to download the installation package and follow the prompts to complete the installation.
• Register an account : After launching Cursor, you need to register an account and verify your email address.
• Install plugins : Install language plugins and other extensions as needed, such as Chinese plugins or compilation plugins for specific programming languages.

• Create a new file : Open or create a new project file in Cursor and add the correct file extension.
• Configure the interpreter : If a specific language runtime environment is required, configure the corresponding interpreter.
• Using AI features :
  • Use a keyboard shortcut (such as Ctrl+K) to bring up the AI ​​dialog box and enter your programming requirements.
  • AI will generate code or provide suggestions based on needs.
• Run and test the code : Use the run button or keyboard shortcut on the interface to run the code and observe the output.
• Code review and modification : If the code generated by AI does not meet expectations, it can be modified manually or the requirements can be further refined through the AI ​​dialog box.
• Ask questions and learn : For code segments you don’t understand, you can use a shortcut to bring up a chat box and ask the AI ​​about the function and principles of the code.
• Importing libraries : If you need to use a specific library, you can install the required library through the terminal or command line.
• Code management and optimization : Utilize Cursor’s AI capabilities for code review and optimization to improve code quality.

Who is Cursor suitable for?

• For programming beginners : Cursor’s AI assistance can help them quickly master programming skills by providing code examples and explanations.
• Professional developers : Experienced developers can leverage Cursor’s AI capabilities to improve coding efficiency, automatically generate code snippets, and detect and fix bugs.
• Students and teachers : Cursor can be a powerful tool to help understand and practice programming concepts in the process of learning or teaching programming courses.
• Data scientists and analysts : Cursor can help with the rapid writing and testing of code when working on data analysis and machine learning projects.
• Freelancers and entrepreneurs : Individuals who need to quickly develop software prototypes or products can use Cursor to accelerate the development process.