Cursor rules examples

VercelCursor rule

streamdown / rules

vercel/streamdown/apps/website/.cursor/.cursor/rules/ultracite.mdc

Ultracite Rules - AI-Ready Formatter and Linter

reown-comCursor rule

appkit / rules

reown-com/appkit/.cursor/rules/appkit-monorepo.mdc

Monorepo-wide rules for Reown AppKit: structure, layering, packaging, and TS/SDK best practices

No other project uses it yet

reown-comCursor rule

appkit / rules

reown-com/appkit/.cursor/rules/appkit-packages.mdc

Focused rules for working in packages (controllers, scaffold-ui views, new packages)

No other project uses it yet

Adam-CADReads credentialsCursor rule

CADAM / rules

Adam-CAD/CADAM/.cursor/rules/project-overview.mdc

Three.js resources - Use React Three Fiber for React integration - Handle WebGL context loss gracefully ### Security - All sensitive operations go through authenticated Edge Functions - Implement proper CORS policies - Validate all user

MCSManagerCursor rule

MCSManager / rules

MCSManager/MCSManager/.cursor/rules/backend-daemon-panel-standards.mdc

Backend development conventions

No other project uses it yet

dmno-devReads credentialsCursor rule

varlock / rules

dmno-dev/varlock/.cursor/rules/style-guide.mdc

explains why loadEnv(); // loads the env vars for the app, which is important for security ``` output: | ```js loadEnv(); ``` This code loads environment variables for the app. metadata: priority: high version

No other project uses it yet

prestCursor rule

prest / rules

prest/prest/.cursor/rules/agentic-loop.mdc

pREST agentic develop→validate loop — follow on every coding task

No other project uses it yet

prestCursor rule

prest / rules

prest/prest/.cursor/rules/config-resilience.mdc

Config warn-and-continue for non-sensitive keys; Auth/ACL/JWT/secrets/DB credentials fail closed

No other project uses it yet

prestCursor rule

prest / rules

prest/prest/.cursor/rules/planning-and-delegation.mdc

Plan every task first, parallelise independent work, and staff each task with the cheapest model that can do it well

No other project uses it yet

isaac-simCursor rule

IsaacSim / rules

isaac-sim/IsaacSim/.cursor/rules/changelog_md.mdc

Rules for writing and maintaining extension CHANGELOG.md files

No other project uses it yet

isaac-simCursor rule

IsaacSim / rules

isaac-sim/IsaacSim/.cursor/rules/modules_changelog.mdc

Changelog rules for independently shipped libraries under source/libraries

No other project uses it yet

isaac-simCursor rule

IsaacSim / rules

isaac-sim/IsaacSim/.cursor/rules/python_codestyle.mdc

This rule file should be used for Python code development

No other project uses it yet

lilishopCursor rule

lilishop / rules

lilishop/lilishop/.cursor/rules/02-technical-architecture.mdc

Stack - Spring Boot - Core framework - Spring MVC - Web framework - Mybatis-Plus - ORM framework - Spring Security - Security framework - JWT - Authentication - RocketMQ - Message queue - Redis & MongoDB - Caching - Elasticsearch - Search engine - MySQL - Primary

No other project uses it yet

lilishopCursor rule

lilishop / rules

lilishop/lilishop/.cursor/rules/03-development-guidelines.mdc

HTTP methods (GET, POST, PUT, DELETE) - Use consistent URL patterns - Implement proper error handling ## Security Guidelines 1. All sensitive operations must be authenticated 2. Use Spring Security for access control

No other project uses it yet

johnlindquistCursor rule

kit / rules

johnlindquist/kit/.cursor/rules/derived-cursor-rules.mdc

AI rules derived by SpecStory from the project AI interaction history

No other project uses it yet

OpnFormReads credentialsCursor rule

OpnForm / rules

OpnForm/OpnForm/.cursor/rules/docs.mdc

using 8.8.8.8 as DNS server ```javascript const config = { performance: { cache: true, timeout: 30000 }, security: { encryption: 'AES-256' } }; ``` ### API documentation components #### Parameter fields Unique identifier for the user. Must

No other project uses it yet

OpnFormCursor rule

OpnForm / rules

OpnForm/OpnForm/.cursor/rules/forms.mdc

Nuxt client: Form creation, validation, and state management patterns. Use when working with form components, input validation, error handling, form submission with TanStack Query mutations, or when creating/modifying forms with @/components/forms, useForm composable, or form-related functionality.

No other project uses it yet

leaperoneCursor rule

MultiPost-Extension / rules

leaperone/MultiPost-Extension/.cursor/rules/chrome-extension.mdc

chrome.alarms for scheduled tasks - Use chrome.action API for browser actions - Handle offline functionality gracefully Security and Privacy - Implement Content Security Policy (CSP) - Handle user data securely - Prevent XSS and injection

No other project uses it yet

DataDogCursor rule

datadog-agent / rules

DataDog/datadog-agent/.cursor/rules/system_probe_modules.mdc

This rule serves for development of new system-probe modules that use eBPF, and need to send data to the backend

No other project uses it yet

millioncoCursor rule

expect / rules

millionco/expect/.cursor/rules/web-quality-audit.mdc

Use when asked to audit web quality, review a page for issues, check Lighthouse scores, or optimize a site for performance, accessibility, SEO, or best practices.

No other project uses it yet