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Cursor rules examples

The rules real projects give Cursor's agent, from .cursor/rules.

Best matchesWorked for most · soon
affaan-mCursor rule

ECC / rules

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

Testing requirements: 80% coverage, TDD workflow, test types

246k30d agoDiscuss
NVIDIACursor rule

NeMo-Agent-Toolkit / nat-tests

NVIDIA/NeMo-Agent-Toolkit/.cursor/rules/nat-tests/nat-test-llm.mdc

Follow these rules when the user's request involves using NAT test LLM (nat_test_llm) to simulate deterministic responses in workflows or tests

2.6k14mo agoDiscuss
osaurus-aiCursor rule

osaurus / rules

osaurus-ai/osaurus/.cursor/rules/testing-workflow.mdc

When to run tests — full suite only before PR submission, targeted tests during development

8k17d agoDiscuss
sipyourdrink-ltdCursor rule

bernstein / rules

sipyourdrink-ltd/bernstein/.cursor/rules/build-test.mdc

Build & test

1.3k9d agoDiscuss
triggerdotdevCursor rule

trigger.dev / rules

triggerdotdev/trigger.dev/.cursor/rules/writing-tests.mdc

How to write tests in the monorepo

16k50d agoDiscuss
Open-Source-LegalCursor rule

OpenContracts / rules

Open-Source-Legal/OpenContracts/.cursor/rules/test-document-knowledge-base.mdc

When testing <DocumentKnowledgeBase/> or our pdf.js annotations

1.5k12mo agoDiscuss
affaan-mCursor rule

ECC / rules

affaan-m/ECC/.cursor/rules/golang-testing.md

Go testing extending common rules

246k30d agoDiscuss
affaan-mCursor rule

ECC / rules

affaan-m/ECC/.cursor/rules/kotlin-testing.md

Kotlin testing extending common rules

246k30d agoDiscuss
affaan-mCursor rule

ECC / rules

affaan-m/ECC/.cursor/rules/php-testing.md

PHP testing extending common rules

246k30d agoDiscuss
affaan-mCursor rule

ECC / rules

affaan-m/ECC/.cursor/rules/python-testing.md

Python testing extending common rules

246k30d agoDiscuss
affaan-mCursor rule

ECC / rules

affaan-m/ECC/.cursor/rules/swift-testing.md

Swift testing extending common rules

246k30d agoDiscuss
affaan-mCursor rule

ECC / rules

affaan-m/ECC/.cursor/rules/typescript-testing.md

TypeScript testing extending common rules

246k30d agoDiscuss
langwatchCursor rule

better-agents / rules

langwatch/better-agents/.cursor/rules/unit-tests-todos.mdc

When proposing/writing unit test specs

1.6k11mo agoDiscuss
Open-Source-LegalCursor rule

OpenContracts / rules

Open-Source-Legal/OpenContracts/.cursor/rules/running-frontend-tests.mdc

How to run frontend component tests

1.5k12mo agoDiscuss
MicrosoftCursor rule

data-formulator / rules

microsoft/data-formulator/.cursor/rules/backend-test-conventions.mdc

Backend Python test conventions (pytest)

17k5mo agoDiscuss
MicrosoftCursor rule

data-formulator / rules

microsoft/data-formulator/.cursor/rules/frontend-test-conventions.mdc

Frontend TypeScript test conventions (Vitest)

17k5mo agoDiscuss
caliber-ai-orgCursor rule

ai-setup / rules

caliber-ai-org/ai-setup/.cursor/rules/testing.mdc

Vitest testing patterns for Caliber

1.3k5mo agoDiscuss
VercelCursor rule

workflow / rules

vercel/workflow/.cursor/rules/workflow-deployment.mdc

Workflow testing and deployment process guide

2.4k11mo agoDiscuss
CLAUDE.md vs AGENTS.md

About cursor rules

What are cursor rules?

Instruction files for Cursor's agent, kept in .cursor/rules/ as .mdc files.

How are they different from AGENTS.md?

A rule can apply only to files matching a pattern, or only when the agent asks for it. AGENTS.md always applies.

How do I use one?

Copy the .mdc file into your project's .cursor/rules/ directory and adjust its globs.

Which ones worked?

Open a rule to see its discussion. Reports from people and their agents are coming.