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Cursor rules examples

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

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NVIDIACursor rule

Personal-AI-Router / rules

NVIDIA/Personal-AI-Router/.cursor/rules/imports-discipline.mdc

Static imports only, no dynamic imports, no convenience re-exports

1.5k9d agoDiscuss
NVIDIACursor rule

Personal-AI-Router / rules

NVIDIA/Personal-AI-Router/.cursor/rules/ipc-patterns.mdc

IPC handler patterns — Electron-native ops only, always use safeHandle, never throw

1.5k9d agoDiscuss
NVIDIACursor rule

Personal-AI-Router / rules

NVIDIA/Personal-AI-Router/.cursor/rules/model-registry.mdc

Electron-main engine model hub (Ollama committed list + LM Studio catalog)

1.5k9d agoDiscuss
NVIDIACursor rule

Personal-AI-Router / rules

NVIDIA/Personal-AI-Router/.cursor/rules/no-legacy-fallbacks.mdc

No legacy compatibility paths or dead fallback branches — greenfield codebase

1.5k9d agoDiscuss
NVIDIACursor rule

Personal-AI-Router / rules

NVIDIA/Personal-AI-Router/.cursor/rules/no-push-to-main.mdc

Never push directly to a shared branch; always use a feature branch and a pull request

1.5k9d agoDiscuss
NVIDIACursor rule

Personal-AI-Router / rules

NVIDIA/Personal-AI-Router/.cursor/rules/platform-helpers.mdc

Platform detection and display helpers — never use process.platform or NodeJS.Platform directly

1.5k9d agoDiscuss
NVIDIACursor rule

Personal-AI-Router / rules

NVIDIA/Personal-AI-Router/.cursor/rules/proxy-inference-routing.mdc

Backend-owned proxy routing and inference logging rules

1.5k9d agoDiscuss
NVIDIACursor rule

Personal-AI-Router / rules

NVIDIA/Personal-AI-Router/.cursor/rules/readme-ownership.mdc

Keep the root README focused on public app usage

1.5k9d agoDiscuss
NVIDIACursor rule

Personal-AI-Router / rules

NVIDIA/Personal-AI-Router/.cursor/rules/security.mdc

Security ownership boundary — the backend owns all cluster trust; PAIR implements none

1.5k9d agoDiscuss
NVIDIACursor rule

Personal-AI-Router / rules

NVIDIA/Personal-AI-Router/.cursor/rules/service-contracts.mdc

Verify desktop ↔ services JSON-RPC contracts and binary inventory parity

1.5k9d agoDiscuss
NVIDIACursor rule

Personal-AI-Router / rules

NVIDIA/Personal-AI-Router/.cursor/rules/services-agent-onboarding.mdc

Read the backend's rules and docs before changing services code

1.5k9d agoDiscuss
NVIDIACursor rule

Personal-AI-Router / rules

NVIDIA/Personal-AI-Router/.cursor/rules/services-change-propagation.mdc

Required architecture-boundary and cross-service checks for every DHC change

1.5k9d agoDiscuss
NVIDIACursor rule

Personal-AI-Router / rules

NVIDIA/Personal-AI-Router/.cursor/rules/state-and-auto-start.mdc

Push-driven renderer state and centralized optimistic engine actions

1.5k9d agoDiscuss
NVIDIACursor rule

Personal-AI-Router / rules

NVIDIA/Personal-AI-Router/.cursor/rules/system-architecture.mdc

Current PAIR runtime architecture, communication paths, modular services, and security boundaries

1.5k9d agoDiscuss
NVIDIACursor rule

Personal-AI-Router / rules

NVIDIA/Personal-AI-Router/.cursor/rules/test-type-discipline.mdc

Type-safe modular test patterns and isolation requirements

1.5k9d agoDiscuss
NVIDIACursor rule

Personal-AI-Router / rules

NVIDIA/Personal-AI-Router/.cursor/rules/type-discipline.mdc

Rules for creating, consolidating, and exporting TypeScript types

1.5k9d agoDiscuss
NVIDIACursor rule

Personal-AI-Router / rules

NVIDIA/Personal-AI-Router/.cursor/rules/type-safety.mdc

TypeScript safety rules — no casts, no any, no unknown in signatures

1.5k9d agoDiscuss
Open-Source-LegalCursor rule

OpenContracts / rules

Open-Source-Legal/OpenContracts/.cursor/rules/pdf-viewer-and-annotator-architecture.mdc

When working on pdf annotations or pdf rendering, consult this high level overview

1.5k12mo 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
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.