The rules real projects give Cursor's agent, from .cursor/rules.
Files you open will collect here, so you can find them again.
Open two or more, and you can remix the rules you like from each into one list. Kept in this browser only.
MicrosoftCursor rulemicrosoft/rushstack/.cursor/rules/rush.mdc
Execute operations affecting the entire repository or multiple projects - Features: - Strict parameter validation and documentation - Support for global and batch commands - Suitable for standardized workflows - Use cases: Dependency installation, building
No other project uses it yet
apacheCursor ruleapache/nifi/.cursor/rules/code-style.mdc
Java code style conventions for the NiFi codebase
No other project uses it yet
apacheCursor ruleapache/nifi/.cursor/rules/extension-development.mdc
Development patterns for NiFi extensions (Processors, Controller Services, Connectors). Covers Property Descriptors, Relationships, and common patterns.
HeliconeCursor ruleHelicone/helicone/.cursor/rules/ai-gateway-docs.mdc
description: globs: docs/ai-gateway/* alwaysApply: false --- # AI Gateway Documentation Rules Critical rules to ensure documentation accuracy based on configuration changes. ## Configuration Structure (BREAKING CHANGES) ### 1. Cache Store Configuration ```yaml # ✅ CORRECT - cache
No other project uses it yet
HeliconeCursor ruleHelicone/helicone/.cursor/rules/docs-guide.mdc
globs: docs/* alwaysApply: false --- # Helicone Documentation Guide A streamlined guide for creating consistent, high-quality feature documentation. ## Template Structure All feature documentation must follow this exact structure: ````markdown --- title: "[Feature
No other project uses it yet
HeliconeCursor ruleHelicone/helicone/.cursor/rules/helicone-system-overview.mdc
authentication, logging, and analytics 4. **Bifrost** - Landing page and blog application - Marketing website and documentation - Located in `/bifrost` directory 5. **Databases** - **PostgreSQL** (via Supabase): User data, organizations, API keys - **ClickHouse
No other project uses it yet
Microsoft AzureCursor ruleAzure/Azure-Sentinel/.cursor/rules/sentinel-xdr-migration.mdc
Canonical Sentinel-to-Defender-XDR migration and authoring workflow
No other project uses it yet
lightdashCursor rulelightdash/lightdash/.cursor/rules/backend.mdc
services - Implement proper request validation using `zod` - Use TypeScript types for request/response - Generate API documentation using `tsoa` - good example in @savedChartController.ts ### Services - Implement proper error handling and logging - Use appropriate
Steady47 mentions in 2 weeks
No other project uses it yet
lightdashCursor rulelightdash/lightdash/.cursor/rules/frontend.mdc
boundaries - Show user-friendly error messages - Log errors appropriately - Handle network errors gracefully 2. **Documentation** - Document complex components - Add JSDoc comments for functions and hooks - Keep README files
Giskard-AICursor ruleGiskard-AI/giskard-oss/.cursor/rules/guidelines.mdc
Team-wide guardrails for AI-assisted development.
Steady2 mentions in 2 weeks
No other project uses it yet
Giskard-AICursor ruleGiskard-AI/giskard-oss/.cursor/rules/python.mdc
Python conventions for the giskard workspace (3.12+, Pydantic v2, async, testing).
Steady2 mentions in 2 weeks
No other project uses it yet
VercelCursor rulevercel/streamdown/apps/website/.cursor/.cursor/rules/ultracite.mdc
Ultracite Rules - AI-Ready Formatter and Linter
Steady14 mentions in 2 weeks
9 projects use a version of this
VercelCursor rulevercel/streamdown/apps/website/.cursor/rules/ultracite.mdc
Ultracite Rules - AI-Ready Formatter and Linter
Steady14 mentions in 2 weeks
2 projects use a version of this
zenml-ioCursor rulezenml-io/zenml/.cursor/rules/zenml-domain-models.mdc
How to understand, add or modify ZenML domain models
No other project uses it yet
reown-comCursor rulereown-com/appkit/.cursor/rules/appkit-monorepo.mdc
Monorepo-wide rules for Reown AppKit: structure, layering, packaging, and TS/SDK best practices
Steady5 mentions in 2 weeks
No other project uses it yet
dmno-devCursor ruledmno-dev/varlock/.cursor/rules/add-docs-page.mdc
file_create" - type: path pattern: "packages/varlock-website/src/content/docs/*/" actions: - type: suggest message: | When adding a new documentation page: - Follow all requirements in the [docs-location] rule for file placement, naming, and sidebar
Steady19 mentions in 2 weeks
No other project uses it yet
dmno-devReads credentialsCursor ruledmno-dev/varlock/.cursor/rules/style-guide.mdc
description: globs: alwaysApply: false --- # Varlock Documentation and Codebase Style Guide name: style_guide_general description: | This rule establishes standards for writing and editing documentation, comments, and prose in the Varlock
Steady19 mentions in 2 weeks
No other project uses it yet
ant-designCursor ruleant-design/pro-components/.cursor/rules/clean-code.mdc
Smart Comments - Don't comment on what the code does - make the code self-documenting - Use comments to explain why something is done a certain way - Document APIs, complex algorithms
No other project uses it yet
ant-designCursor ruleant-design/pro-components/.cursor/rules/codequality.mdc
Never use apologies. ## No Understanding Feedback Avoid giving feedback about understanding in comments or documentation. ## No Whitespace Suggestions Don't suggest whitespace changes. ## No Summaries Don't summarize changes made
2 projects use a version of this
eastlondonerReads credentialsCursor ruleeastlondoner/vibe-tools/.cursor/rules/vibe-tools.mdc
Global Rule. This rule should ALWAYS be loaded
Instruction files for Cursor's agent, kept in .cursor/rules/ as .mdc files.
A rule can apply only to files matching a pattern, or only when the agent asks for it. AGENTS.md always applies.
Copy the .mdc file into your project's .cursor/rules/ directory and adjust its globs.
Open a rule to see its discussion. Reports from people and their agents are coming.
