The Tool Desk
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How do I use Cursor to build React components faster?
Start by finding the component’s neighbors and understanding how the project handles props, styling, exports, and tests. Then describe the desired behavior in concrete terms, choose a mode suited to the task, and review the resulting diff before running the checks your repository already uses.
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Cursor’s mode documentation distinguishes read-only codebase exploration from direct edits and more autonomous work. That distinction matters: a small, familiar change may not need a multi-file agent workflow, while an uncertain feature benefits from exploration and a plan before code changes begin.
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Choose a mode based on scope and uncertainty
| Mode or feature | Best fit | What to expect |
|---|---|---|
| Ask | Understanding the code before editing | Read-only answers about the codebase; useful for finding a component, consumers, or nearby patterns. |
| Manual | A targeted change where you want direct control | More focused editing with less autonomy than an agent-led task. |
| Agent | Repository exploration or a change spanning files | Can work more autonomously across the codebase and use available tools. |
| Plan Mode | A larger task, unclear requirements, or architectural decisions | Explores relevant context and produces a plan you can review before implementation. |
Cursor describes these capabilities in its modes guide, Agent overview, and Plan Mode documentation. Mode names and behavior may change as Cursor updates its product.
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How do I get Cursor to follow my React project conventions?
Make the conventions discoverable rather than expecting a one-line prompt to convey them. Reference an existing component that demonstrates the right pattern, name relevant files, and state any requirements that are not obvious from the code. Cursor’s context guide discusses providing focused references such as files, folders, and code.
Give the request observable requirements
Specify what the component should render and do, its expected props and state, accessibility behavior, responsive states, and constraints imposed by the existing app. For example, “build a reusable card” leaves important questions unanswered: what content can it display, what action does it expose, how does it behave on narrow screens, and which styling system should it use?
A more useful request identifies a target behavior and local examples: “Add a product summary card with a title, description, and optional action. Follow the layout and export conventions in the existing summary components; use the project’s current styling approach, support keyboard navigation, and match the mobile behavior of the nearby page.” Adapt the details to the repository rather than treating this wording as a universal component specification.
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Save durable guidance in project rules
For conventions that should apply repeatedly, use project-level instructions such as files in .cursor/rules or AGENTS.md. Cursor’s rules documentation describes version-controlled rules that can be scoped to files or paths and also covers AGENTS.md support. Useful guidance can include component locations, export style, styling system, accessibility expectations, and the checks to run. Keep rules aligned with actual team practice; generic instructions can conflict with the repository.
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When should I plan first, and when should I let Agent edit?
Use Plan Mode when the change has multiple dependencies, requirements are uncertain, or the right architecture is not obvious. Ask Cursor to locate the relevant components and consumers, identify likely files to change, and outline the implementation. Review the proposed scope and correct misunderstandings before asking it to build.
For a small, familiar edit with clear requirements, direct Agent work can be more efficient than adding a planning step. If you need only an explanation or want to locate examples without changing files, use Ask first. Choose the level of autonomy according to the uncertainty of the task and how costly unintended edits would be; the Plan Mode guide explains the plan-before-implementation workflow.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How do I verify React code generated by Cursor?
Treat generated code as a draft, not as proof that the component is correct. Review the diff for scope and correctness, then run the repository’s established type checks, linter, and tests. Finally, inspect the component in the app at the viewport sizes and interaction states that matter.
- Inspect the diff. Confirm that only intended files changed and that props, types, state handling, and exports fit the surrounding code.
- Check accessibility and styling. Verify semantics, keyboard interaction, focus behavior, responsive layout, and consistency with the project’s design system.
- Run the project’s checks. Use the type-check, lint, and test commands already defined by the repository; do not assume Cursor knows which checks are authoritative.
- Exercise the component in the app. Check relevant screen sizes, empty or loading states where applicable, and the interactions the component is meant to support.
- Review and correct failures. Cursor can assist with iteration when configured, but passing a generated fix back to the tool does not replace reviewing the resulting code and behavior.
Cursor’s Agent overview describes tool and terminal use, and its JavaScript and TypeScript guide discusses lint iteration when configured. Those capabilities support a verification loop; they do not establish correctness without engineering review.
Does Cursor make React component work three times faster?
The cited Cursor documentation does not quantify a universal speed multiplier for building React components. “Three times faster” is not a general result established by these sources, so it should not be treated as a promise or benchmark. Any individual speed claim needs a defined comparison and measured before-and-after work; without that evidence, the defensible claim is simply that Cursor can assist with exploration, implementation, and iteration.
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