Cursor rules examples

affaan-mCursor rule

ECC / rules

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

Performance: model selection, context management, build troubleshooting

storybookjsCursor rule

storybook / rules

storybookjs/storybook/.cursor/rules/spy-mocking.mdc

Rules for consistent and type-safe mocking in Vitest tests

No other project uses it yet

apacheCursor rule

superset / rules

apache/superset/.cursor/rules/dev-standard.mdc

Apache Superset development standards and guidelines for Cursor IDE

No other project uses it yet

maybe-financeCursor rule

maybe / rules

maybe-finance/maybe/.cursor/rules/project-conventions.mdc

description: globs: alwaysApply: true --- This rule serves as high-level documentation for how you should write code for the Maybe codebase. ## Project Tech Stack - Web framework: Ruby on Rails - Minitest

streamlitCursor rule

streamlit / rules

streamlit/streamlit/.cursor/rules/embedded_skills.mdc

with each Streamlit release and is already versioned with the code. For compatibility lists, document exceptions instead of enumerating supported features so new additions are covered by default. - **Keep routing

No other project uses it yet

streamlitCursor rule

streamlit / rules

streamlit/streamlit/.cursor/rules/overview.mdc

tech specs for Streamlit features. - `.github/workflows/`: GitHub Actions workflows used for CI/CD. - `wiki/`: Documentation relevant for development of Streamlit. ## Shell & Build Policy - Prefer `make` targets for all dev tasks (tests

streamlitCursor rule

streamlit / rules

streamlit/streamlit/.cursor/rules/python_lib.mdc

returns is built from these descriptions. `GET /_stcore/agent/openapi.json` serves the protocol's OpenAPI document, the reference for what `interact` accepts and returns. `runtime/agent/protocol.py` builds it and derives its enums

streamlitCursor rule

streamlit / rules

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

SKILL.md # Required: Instructions for the AI agent ├── scripts/ # Optional: Executable code ├── references/ # Optional: Additional documentation └── assets/ # Optional: Static resources ``` ### SKILL.md format The `SKILL.md` file must include YAML frontmatter and markdown

streamlitCursor rule

streamlit / rules

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

product specs - `YYYY-MM-DD-template/tech-spec.md` — Template for tech specs - `README.md` — Full process documentation ## When to Write a Spec **Product spec** — focuses on _what_ and _why_: user-facing problem

streamlitCursor rule

streamlit / rules

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

name collides with a local or DOM name. - **Prefer JSDoc over regular comments**: When documenting functions, types, interfaces, classes, or their members, use JSDoc (`/** ... */`) instead of regular comments (`//` or `/* */`). JSDoc

streamlitReads credentialsCursor rule

streamlit / rules

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

Streamlit repository. Workflows automate CI/CD, testing, releases, and maintenance tasks. > **Maintenance Note:** Keep this documentation up to date. When adding, removing, or modifying workflows or composite actions, update the relevant

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

appsmithorgReads credentialsCursor rule

appsmith / build

appsmithorg/appsmith/.cursor/rules/build/docker.mdc

Docker image optimization — minimal base images, layer caching, multi-stage builds, and size reduction

No other project uses it yet

appsmithorgCursor rule

appsmith / commit

appsmithorg/appsmith/.cursor/rules/commit/semantic-pr-validator.mdc

Conventional Commits format for PR titles and structured PR descriptions

No other project uses it yet

appsmithorgCursor rule

appsmith / rules

appsmithorg/appsmith/.cursor/rules/README.md

Name, description, and trigger conditions 2. **Logic**: JavaScript code that implements the rule 3. **Documentation**: Usage examples and explanations Rules are automatically triggered based on events like: - Creating or updating

No other project uses it yet

appsmithorgCursor rule

appsmith / verification

appsmithorg/appsmith/.cursor/rules/verification/bug-fix-verifier.mdc

Bug fix quality checklist — reproduction, root cause analysis, testing, and regression prevention

No other project uses it yet

trpcCursor rule

trpc / rules

trpc/trpc/.cursor/rules/coding-guidelines.mdc

tRPC coding style guidelines and conventions

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)

PostHogCursor rule

posthog / rules

PostHog/posthog/.cursor/rules/rust.mdc

Rules for writing Rust services at PostHog. Focuses on writing async Rust with Tokio and encoding general Rust best practices from the Rust book and docs.

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.