Cursor rules examples

temporalioCursor rule

temporal / rules

temporalio/temporal/.cursor/rules/review.mdc

Code review guidelines - apply when reviewing code or suggesting changes

No other project uses it yet

MicrosoftCursor rule

data-formulator / rules

microsoft/data-formulator/.cursor/rules/implementation-review-checklist.mdc

Require structural code review after implementation before final response

appsmithorgCursor rule

appsmith / quality

appsmithorg/appsmith/.cursor/rules/quality/performance-optimizer.mdc

Performance anti-patterns to watch for in JS/TS, Java, and CSS code reviews

No other project uses it yet

forrestchangCursor rule

andrej-karpathy-skills / rules

forrestchang/andrej-karpathy-skills/.cursor/rules/karpathy-guidelines.mdc

Behavioral guidelines to reduce common LLM coding mistakes. Use when writing, reviewing, or refactoring code to avoid overcomplication, make surgical changes, surface assumptions, and define verifiable success criteria.

affaan-mCursor rule

ECC / rules

affaan-m/ECC/.cursor/rules/common-agents.md

Agent orchestration: available agents, parallel execution, multi-perspective analysis

affaan-mCursor rule

ECC / rules

affaan-m/ECC/.cursor/rules/common-development-workflow.md

Development workflow: plan, TDD, review, commit pipeline

affaan-mCursor rule

ECC / rules

affaan-m/ECC/.cursor/rules/common-git-workflow.md

Git workflow: conventional commits, PR process

affaan-mCursor rule

ECC / rules

affaan-m/ECC/.cursor/rules/common-security.md

Security: mandatory checks, secret management, response protocol

langflow-aiCursor rule

langflow / rules

langflow-ai/langflow/.cursor/rules/docs_development.mdc

Guidelines for developing and maintaining Langflow documentation using Docusaurus, including content structure, style, and deployment processes.

No other project uses it yet

streamlitCursor rule

streamlit / rules

streamlit/streamlit/.cursor/rules/agents.mdc

review comments | | `qa-testing-feature` | QA test features using Playwright | | `reviewing-local-changes` | Code review for quality, security, best practices, and product/API alignment | | `simplifying-local-changes` | Simplify and refine code

No other project uses it yet

streamlitCursor rule

streamlit / rules

streamlit/streamlit/.cursor/rules/skills.mdc

third person** in descriptions (e.g., "Validates code changes" not "I validate code changes") - **Keep file references one level deep** from SKILL.md - **Use sentence casing** for titles and headers - Capitalize only

streamlitCursor rule

streamlit / rules

streamlit/streamlit/.cursor/rules/specs.mdc

template 3. Create PR titled `[spec] Feature name` (keep in Draft until ready for review) ## Spec Guidelines ### Problem First, Solution Second Never start with what you want to build. Start

streamlitCursor rule

streamlit / rules

streamlit/streamlit/.cursor/rules/typescript.mdc

Data fetching without race protection (stale response can overwrite newer data). ### Rewrite patterns (preferred code) - Derived value during render: ```tsx // ❌ Avoid // const [fullName, setFullName] = useState("") // useEffect(() => setFullName(`${firstName} ${lastName}`), [firstName

streamlitReads credentialsCursor rule

streamlit / rules

streamlit/streamlit/.cursor/rules/workflows.mdc

Description | |----------|---------|-------------| | `ai-pr-review.yml` | `ai-review`/`ai-final-review` label or manual | AI-powered code and product-alignment review using Cursor CLI | | `ai-qa-testing.yml` | `ai-qa-test` label or manual | AI-powered

appsmithorgCursor rule

appsmith / rules

appsmithorg/appsmith/.cursor/rules/agent-behavior.mdc

Agent workflow orchestration, task management, and core principles for all interactions

No other project uses it yet

PostHogCursor rule

posthog / rules

PostHog/posthog/.cursor/rules/django-python.mdc

Rules for writing Python services at PostHog (Python servers powered by the Django framework)

CopilotKitCursor rule

CopilotKit / rules

CopilotKit/CopilotKit/.cursor/rules/quick-reference.mdc

documentation - Use [react-ui/](mdc:packages/react-ui) for pre-built components ### Set Up Development Environment - Review [package.json](mdc:package.json) for workspace setup - Use scripts in [scripts/](mdc:scripts) - Check [utilities

No other project uses it yet

simstudioaiCursor rule

sim / rules

simstudioai/sim/.cursor/rules/sim-api-contracts.mdc

API contracts, route builders, boundary annotations, and the requestJson client boundary

No other project uses it yet

simstudioaiReads credentialsCursor rule

sim / rules

simstudioai/sim/.cursor/rules/sim-sandbox.mdc

Isolated-vm sandbox worker security policy. Hard rules for anything that lives in the worker child process that runs user code.

No other project uses it yet

eyaltoledanoCursor rule

claude-task-master / rules

eyaltoledano/claude-task-master/.cursor/rules/self_improve.mdc

Guidelines for continuously improving Cursor rules based on emerging code patterns and best practices.