affaan-mCursor ruleECC / rules
affaan-m/ECC/.cursor/rules/common-testing.md
Testing requirements: 80% coverage, TDD workflow, test types
Steady32 mentions in 2 weeks
19 projects use a version of this
Cursor rules examples
The rules real projects give Cursor's agent, from .cursor/rules.
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affaan-mCursor rule
appsmithorgReads credentialsCursor ruleappsmith / rules
appsmithorg/appsmith/.cursor/rules/playwright.mdc
Playwright E2E test conventions — POM design, assertions, selectors, test structure
No other project uses it yet
Chia-NetworkCursor rulechia-blockchain / rules
Chia-Network/chia-blockchain/.cursor/rules/testing-guide.mdc
Chia test harness routing — pick the right guide and harness before writing tests
Steady5 mentions in 2 weeks
No other project uses it yet
novuhqReads credentialsCursor rulenovu / rules
novuhq/novu/.cursor/rules/safe-api-tests.mdc
NEVER run apps/api mocha tests without NODE_ENV=test — drops dev MongoDB
datahub-projectCursor ruledatahub / rules
datahub-project/datahub/.cursor/rules/test-review.mdc
DataHub test review — use when asked to review, check, validate, or audit smoke tests
No other project uses it yet
jdxReads credentialsCursor rulemise / rules
jdx/mise/.cursor/rules/testing.mdc
how to test the mise codebase
No other project uses it yet
osqueryCursor ruleosquery / rules
osquery/osquery/.cursor/rules/build-format.mdc
Build, test, and format
No other project uses it yet
triggerdotdevCursor ruletrigger.dev / rules
triggerdotdev/trigger.dev/.cursor/rules/writing-tests.mdc
How to write tests in the monorepo
Steady10 mentions in 2 weeks
No other project uses it yet
novuhqCursor rulenovu / rules
novuhq/novu/.cursor/rules/testing.mdc
Rules for writing and running tests
surrealdbCursor rulesurrealdb / rules
surrealdb/surrealdb/.cursor/rules/surrealql-language-tests.mdc
SurrealQL language testing guidelines
No other project uses it yet
affaan-mCursor ruleECC / rules
affaan-m/ECC/.cursor/rules/golang-testing.md
Go testing extending common rules
Steady32 mentions in 2 weeks
19 projects use a version of this
affaan-mCursor ruleECC / rules
affaan-m/ECC/.cursor/rules/kotlin-testing.md
Kotlin testing extending common rules
Steady32 mentions in 2 weeks
16 projects use a version of this
affaan-mCursor ruleECC / rules
affaan-m/ECC/.cursor/rules/php-testing.md
PHP testing extending common rules
Steady32 mentions in 2 weeks
18 projects use a version of this
affaan-mCursor ruleECC / rules
affaan-m/ECC/.cursor/rules/python-testing.md
Python testing extending common rules
Steady32 mentions in 2 weeks
19 projects use a version of this
affaan-mCursor ruleECC / rules
affaan-m/ECC/.cursor/rules/swift-testing.md
Swift testing extending common rules
Steady32 mentions in 2 weeks
19 projects use a version of this
affaan-mCursor ruleECC / rules
affaan-m/ECC/.cursor/rules/typescript-testing.md
TypeScript testing extending common rules
Steady32 mentions in 2 weeks
19 projects use a version of this
tw93Cursor ruleMole / rules
tw93/Mole/.cursor/rules/mole-test-safety.mdc
Mole test safety and verification defaults
Steady31 mentions in 2 weeks
No other project uses it yet
trpcCursor ruletrpc / rules
trpc/trpc/.cursor/rules/test-patterns.mdc
tRPC testing patterns using testServerAndClientResource
HumanSignalCursor rulelabel-studio / rules
HumanSignal/label-studio/.cursor/rules/cypress_tests.mdc
Writing and updating cypress integration tests
No other project uses it yet
MicrosoftCursor ruledata-formulator / rules
microsoft/data-formulator/.cursor/rules/backend-test-conventions.mdc
Backend Python test conventions (pytest)
No other project uses it yet
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.