Cursor / cursor.com
Cursor's custom rules feature allowing teams to define project-specific coding conventions, AI behaviour, and context that is automatically applied to all AI interactions within the codebase.
Pricing
$20/mo
Free plan
Yes
Category
Developer Tools
Platforms
1
Free plan
Yes
API access
No
Open source
No
Platforms
1
Cursor Rules is a specific capability within the Cursor AI coding IDE that allows teams and individual developers to define project-specific rules, conventions, and context that are automatically included in every AI interaction within the project. Rather than re-explaining the codebase conventions to the AI each time, Cursor Rules encode this context once and apply it persistently.
A .cursorrules file in the project root contains natural language instructions that tell the AI about the project — the framework being used, naming conventions, patterns to follow or avoid, test requirements, documentation standards, and any other project-specific guidance. When a developer asks the AI to write code, these rules are automatically included in the AI's context.
For example, a Next.js project might define rules that all components should use TypeScript, follow specific naming patterns, include JSDoc comments for public APIs, use the project's design system components rather than raw HTML elements, and write tests using Vitest. Every AI-generated code in the project will follow these rules automatically.
At a team level, the .cursorrules file can be committed to the repository, ensuring all team members' AI interactions follow the same project conventions. This addresses the problem of inconsistent AI code quality across a team where different developers prompt the AI differently.
Cursor Rules is accessed through the Cursor IDE (covered separately at rank 8), but is significant enough as a product pattern to document separately as it represents the emerging standard for project-specific AI context.
Cursor Rules runs as llm coding model software built around code and text workflows. Users typically start with a prompt, upload, or connected data source, and the underlying model handles the heavy lifting before returning a result you can refine or export. It's available on vs code-based desktop ide.
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The capabilities that matter most for teams evaluating Cursor Rules.
Defines project conventions once in a .cursorrules file that is automatically included in every AI interaction within the project without re-prompting.
Commit .cursorrules to the repository so all team members' AI coding interactions automatically follow the same project conventions and standards.
Write project rules in plain English rather than configuration syntax — 'always use TypeScript', 'use Vitest for tests', 'follow our design system' — that the AI understands and applies.
Free plan (2 weeks trial, then limited). Pro $20/month. Business $40/user/month. Enterprise custom.
Model
Freemium
Starting price
$20/mo
Free trial
No
GitHub Copilot has .github/copilot-instructions.md for similar project context. Cline uses system prompts for project context. JetBrains AI supports custom prompts. The pattern of persisting project context is converging as a standard across AI coding tools.
A side-by-side look at the closest alternative in this category.
Key facts about model providers, platforms, and team support.
Model Provider
Anthropic, OpenAI
Models
Claude 3.5 Sonnet, GPT-4o
Platforms
VS Code-based desktop IDE
Deployment
SaaS
Integrations
GitHub, GitLab, Bitbucket, All VS Code extensions
Team Collaboration
No
Launch Year
2024
Compliance signals and data-handling notes as reported by the vendor.
Review Cursor's data handling policy. Code and rules file content processed on Cursor's infrastructure for AI features.
Review Cursor's data handling policy. Code content and .cursorrules instructions are included in AI context and processed on Cursor's infrastructure.
Editorial Verdict
Cursor Rules is the reference implementation of project-specific AI context that engineering teams should adopt in any AI coding tool. It dramatically improves AI code quality and consistency by eliminating the need to re-explain project conventions.
Last verified July 24, 2026.
YouTube8:36Free plan (2 weeks trial, then limited). Pro $20/month. Business $40/user/month. Enterprise custom.
Free plan available. Pro $50/month. Enterprise custom. Contact for team and enterprise pricing.
Review Cursor's data handling policy. Code and rules file content processed on Cursor's infrastructure for AI features.
Review Grit.io's data handling policy. Code content transmitted for AI transformation analysis.
Review Cursor's data handling policy. Code content and .cursorrules instructions are included in AI context and processed on Cursor's infrastructure.
Review Grit.io's privacy policy. Code is transmitted to Grit's infrastructure for AI-assisted transformation. Enterprise includes data handling agreements.
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