30 rules for Cline
Cline rules for Angular: Standalone Components, Signals and Forms. Structure, data, errors, security, performance, and tests. Angular 22.2.6, Nov 2026.
# Angular Cline Rules: Standalone Components, Signals and Forms
## Install
Install the native export at `.clinerules/angular-rules.md` (do not also copy it to `.cline/rules/`).
Copy that export, not this catalog file. Catalog fields such as `tools` and `author` are for presets.dev.
Install one skill file per name. Cursor, GitHub Copilot, Codex, Antigravity CLI, and Devin can all read `.agents/skills`, so a second copy with the same name collides.
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# Angular Cline Rules: Standalone Components, Signals and Forms
Conditional Cline rule for Angular. Install it under `.clinerules/` only.
## Updated for Angular 22.2.6, Nov 2026
Do not upgrade dependencies or the framework version unless the task asks.
## Project shape
New components are standalone. They declare `impo...Cline rules for Django: ORM, Permissions and Migrations. Structure, data, errors, security, performance, and tests. Django 6.1.3, Nov 2026.
# Django Cline Rules: ORM, Permissions and Migrations
## Install
Install the native export at `.clinerules/django-rules.md` (do not also copy it to `.cline/rules/`).
Copy that export, not this catalog file. Catalog fields such as `tools` and `author` are for presets.dev.
Install one skill file per name. Cursor, GitHub Copilot, Codex, Antigravity CLI, and Devin can all read `.agents/skills`, so a second copy with the same name collides.
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# Django Cline Rules: ORM, Permissions and Migrations
Conditional Cline rule for Django. Install it under `.clinerules/` only.
## Updated for Django 6.1.3, Nov 2026
Do not upgrade dependencies or the framework version unless the task asks.
## Project shape
An app owns its models, forms, and views. A view checks permission, valid...Cline rules for Docker: Images, Runtime Users and Build Secrets. Structure, data, errors, security, performance, and tests. Docker Engine 29, Nov 2026.
# Docker Cline Rules: Images, Runtime Users and Build Secrets
## Install
Install the native export at `.clinerules/docker-rules.md` (do not also copy it to `.cline/rules/`).
Copy that export, not this catalog file. Catalog fields such as `tools` and `author` are for presets.dev.
Install one skill file per name. Cursor, GitHub Copilot, Codex, Antigravity CLI, and Devin can all read `.agents/skills`, so a second copy with the same name collides.
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# Docker Cline Rules: Images, Runtime Users and Build Secrets
Conditional Cline rule for Docker. Install it under `.clinerules/` only.
## Updated for Docker Engine 29, Nov 2026
Do not upgrade dependencies or the framework version unless the task asks.
Keep Engine, BuildKit, and Compose versions as the project already pins...Cline rules for .NET: Nullable Contracts, Async and Endpoints. Structure, data, errors, security, performance, and tests. .NET 10 LTS and .NET 11, Nov 2026.
# .NET Cline Rules: Nullable Contracts, Async and Endpoints
## Install
Install the native export at `.clinerules/dotnet-rules.md` (do not also copy it to `.cline/rules/`).
Copy that export, not this catalog file. Catalog fields such as `tools` and `author` are for presets.dev.
Install one skill file per name. Cursor, GitHub Copilot, Codex, Antigravity CLI, and Devin can all read `.agents/skills`, so a second copy with the same name collides.
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# .NET Cline Rules: Nullable Contracts, Async and Endpoints
Conditional Cline rule for .NET. Install it under `.clinerules/` only.
## Updated for .NET 10 LTS and .NET 11, Nov 2026
Do not upgrade dependencies or the framework version unless the task asks.
.NET 11 includes C# 15 unions and closed hierarchies. A project that s...Cline rules for Express: Middleware, Routing and Validation. Structure, data, errors, security, performance, and tests. Express 5.3.0, Nov 2026.
# Express Cline Rules: Middleware, Routing and Validation
## Install
Install the native export at `.clinerules/express-rules.md` (do not also copy it to `.cline/rules/`).
Copy that export, not this catalog file. Catalog fields such as `tools` and `author` are for presets.dev.
Install one skill file per name. Cursor, GitHub Copilot, Codex, Antigravity CLI, and Devin can all read `.agents/skills`, so a second copy with the same name collides.
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# Express Cline Rules: Middleware, Routing and Validation
Conditional Cline rule for Express. Install it under `.clinerules/` only.
## Updated for Express 5.3.0, Nov 2026
Do not upgrade dependencies or the framework version unless the task asks.
## Project shape
Middleware is an ordered list. Security headers, body parsing,...Cline rules for FastAPI: Pydantic Models, Dependencies and Async. Structure, data, errors, security, performance, and tests. FastAPI 0.162.5, Nov 2026.
# FastAPI Cline Rules: Pydantic Models, Dependencies and Async
## Install
Install the native export at `.clinerules/fastapi-rules.md` (do not also copy it to `.cline/rules/`).
Copy that export, not this catalog file. Catalog fields such as `tools` and `author` are for presets.dev.
Install one skill file per name. Cursor, GitHub Copilot, Codex, Antigravity CLI, and Devin can all read `.agents/skills`, so a second copy with the same name collides.
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# FastAPI Cline Rules: Pydantic Models, Dependencies and Async
Conditional Cline rule for FastAPI. Install it under `.clinerules/` only.
## Updated for FastAPI 0.162.5, Nov 2026
Do not upgrade dependencies or the framework version unless the task asks.
## Project shape
Routers are split by resource. A route function is...Cline rules for Flutter: Widgets, Async UI and Platform Builds. Structure, data, errors, security, performance, and tests. Flutter 3.50, Nov 2026.
# Flutter Cline Rules: Widgets, Async UI and Platform Builds
## Install
Install the native export at `.clinerules/flutter-rules.md` (do not also copy it to `.cline/rules/`).
Copy that export, not this catalog file. Catalog fields such as `tools` and `author` are for presets.dev.
Install one skill file per name. Cursor, GitHub Copilot, Codex, Antigravity CLI, and Devin can all read `.agents/skills`, so a second copy with the same name collides.
<!-- native:start -->
# Flutter Cline Rules: Widgets, Async UI and Platform Builds
Conditional Cline rule for Flutter. Install it under `.clinerules/` only.
## Updated for Flutter 3.50, Nov 2026
Do not upgrade dependencies or the framework version unless the task asks.
Write for the Flutter version in `pubspec.yaml` and the SDK constraint. Flu...Cline rules for Go: Errors, Context and Goroutines. Structure, data, errors, security, performance, and tests. Go 1.27.4, Nov 2026.
# Go Cline Rules: Errors, Context and Goroutines
## Install
Install the native export at `.clinerules/go-rules.md` (do not also copy it to `.cline/rules/`).
Copy that export, not this catalog file. Catalog fields such as `tools` and `author` are for presets.dev.
Install one skill file per name. Cursor, GitHub Copilot, Codex, Antigravity CLI, and Devin can all read `.agents/skills`, so a second copy with the same name collides.
<!-- native:start -->
# Go Cline Rules: Errors, Context and Goroutines
Conditional Cline rule for Go. Install it under `.clinerules/` only.
## Updated for Go 1.27.4, Nov 2026
Do not upgrade dependencies or the framework version unless the task asks.
Go 1.27.4 is the current stable release on `go.dev/dl`. Go 1.26.11 is the other stable line. Stay on the version...Cline rules for Kotlin: Coroutines, Null Safety and Compose. Structure, data, errors, security, performance, and tests. Kotlin 2.4 stable line, Nov 2026.
# Kotlin Cline Rules: Coroutines, Null Safety and Compose
## Install
Install the native export at `.clinerules/kotlin-rules.md` (do not also copy it to `.cline/rules/`).
Copy that export, not this catalog file. Catalog fields such as `tools` and `author` are for presets.dev.
Install one skill file per name. Cursor, GitHub Copilot, Codex, Antigravity CLI, and Devin can all read `.agents/skills`, so a second copy with the same name collides.
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# Kotlin Cline Rules: Coroutines, Null Safety and Compose
Conditional Cline rule for Kotlin. Install it under `.clinerules/` only.
## Updated for Kotlin 2.4, Nov 2026
Do not upgrade dependencies or the framework version unless the task asks.
Stay on the Kotlin version the Gradle build uses. Kotlin 2.4.20 adds `StackTraceRecov...Cline rules for Laravel: Requests, Policies and Eloquent. Structure, data, errors, security, performance, and tests. Laravel 13, Nov 2026.
# Laravel Cline Rules: Requests, Policies and Eloquent
## Install
Install the native export at `.clinerules/laravel-rules.md` (do not also copy it to `.cline/rules/`).
Copy that export, not this catalog file. Catalog fields such as `tools` and `author` are for presets.dev.
Install one skill file per name. Cursor, GitHub Copilot, Codex, Antigravity CLI, and Devin can all read `.agents/skills`, so a second copy with the same name collides.
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# Laravel Cline Rules: Requests, Policies and Eloquent
Conditional Cline rule for Laravel. Install it under `.clinerules/` only.
## Updated for Laravel 13, Nov 2026
Do not upgrade dependencies or the framework version unless the task asks.
Laravel 13 requires PHP 8.3 through 8.5. Read `composer.json` and stay inside that range....Cline rules for MCP: Tools, Schemas and Permissions. Structure, data, errors, security, performance, and tests. MCP spec 2026-07-28, server SDK 2.4.0, Nov 2026.
# MCP Cline Rules: Tools, Schemas and Permissions
## Install
Install the native export at `.clinerules/mcp-rules.md` (do not also copy it to `.cline/rules/`).
Copy that export, not this catalog file. Catalog fields such as `tools` and `author` are for presets.dev.
Install one skill file per name. Cursor, GitHub Copilot, Codex, Antigravity CLI, and Devin can all read `.agents/skills`, so a second copy with the same name collides.
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# MCP Cline Rules: Tools, Schemas and Permissions
Conditional Cline rule for MCP. Install it under `.clinerules/` only.
## Updated for the 2026-07-28 MCP spec, Nov 2026
Do not upgrade dependencies or the framework version unless the task asks.
The spec this file follows is the 2026-07-28 revision. `@modelcontextprotocol/sdk` 1.32.2 is s...Cline rules for NestJS: Modules, DTOs and Guards. Structure, data, errors, security, performance, and tests. NestJS 12.4.2, Nov 2026.
# NestJS Cline Rules: Modules, DTOs and Guards
## Install
Install the native export at `.clinerules/nestjs-rules.md` (do not also copy it to `.cline/rules/`).
Copy that export, not this catalog file. Catalog fields such as `tools` and `author` are for presets.dev.
Install one skill file per name. Cursor, GitHub Copilot, Codex, Antigravity CLI, and Devin can all read `.agents/skills`, so a second copy with the same name collides.
<!-- native:start -->
# NestJS Cline Rules: Modules, DTOs and Guards
Conditional Cline rule for NestJS. Install it under `.clinerules/` only.
## Updated for NestJS 12.4.2, Nov 2026
Do not upgrade dependencies or the framework version unless the task asks.
## Project shape
A feature is a module that declares its controllers and providers and exports only wha...Cline rules for Next.js: App Router, TypeScript and Server Actions. Structure, data, errors, security, performance, and tests. Next.js 16.4.6, Nov 2026.
# Next.js Cline Rules: App Router, TypeScript and Server Actions
## Install
Install the native export at `.clinerules/nextjs-rules.md` (do not also copy it to `.cline/rules/`).
Copy that export, not this catalog file. Catalog fields such as `tools` and `author` are for presets.dev.
Install one skill file per name. Cursor, GitHub Copilot, Codex, Antigravity CLI, and Devin can all read `.agents/skills`, so a second copy with the same name collides.
<!-- native:start -->
# Next.js Cline Rules: App Router, TypeScript and Server Actions
Conditional Cline rule for Next.js. Install it under `.clinerules/` only.
## Updated for Next.js 16.4.6, Nov 2026
Do not upgrade dependencies or the framework version unless the task asks.
Read `package.json`, the lockfile, and `next.config` before editin...Cline rules for Node.js: ESM, Cancellation and Streams. Structure, data, errors, security, performance, and tests. Node.js 26.13.1 LTS, Nov 2026.
# Node.js Cline Rules: ESM, Cancellation and Streams
## Install
Install the native export at `.clinerules/nodejs-rules.md` (do not also copy it to `.cline/rules/`).
Copy that export, not this catalog file. Catalog fields such as `tools` and `author` are for presets.dev.
Install one skill file per name. Cursor, GitHub Copilot, Codex, Antigravity CLI, and Devin can all read `.agents/skills`, so a second copy with the same name collides.
<!-- native:start -->
# Node.js Cline Rules: ESM, Cancellation and Streams
Conditional Cline rule for Node.js. Install it under `.clinerules/` only.
## Updated for Node.js 26.13.1 LTS, Nov 2026
Do not upgrade dependencies or the framework version unless the task asks.
Node.js 26.13.1 Lithium is the active LTS on nodejs.org. The newest dist tag is a v27...Cline rules for Nuxt: SSR Data, Nitro and Runtime Config. Structure, data, errors, security, performance, and tests. Nuxt 4.6.4, Nov 2026.
# Nuxt Cline Rules: SSR Data, Nitro and Runtime Config
## Install
Install the native export at `.clinerules/nuxt-rules.md` (do not also copy it to `.cline/rules/`).
Copy that export, not this catalog file. Catalog fields such as `tools` and `author` are for presets.dev.
Install one skill file per name. Cursor, GitHub Copilot, Codex, Antigravity CLI, and Devin can all read `.agents/skills`, so a second copy with the same name collides.
<!-- native:start -->
# Nuxt Cline Rules: SSR Data, Nitro and Runtime Config
Conditional Cline rule for Nuxt. Install it under `.clinerules/` only.
## Updated for Nuxt 4.6.4, Nov 2026
Do not upgrade dependencies or the framework version unless the task asks.
## Project shape
Pages and layouts live in the project's app directory. Server routes live und...Cline rules for Playwright: Locators, Fixtures and Assertions. Structure, data, errors, security, performance, and tests. Playwright 1.65.0, Nov 2026.
# Playwright Cline Rules: Locators, Fixtures and Assertions
## Install
Install the native export at `.clinerules/playwright-rules.md` (do not also copy it to `.cline/rules/`).
Copy that export, not this catalog file. Catalog fields such as `tools` and `author` are for presets.dev.
Install one skill file per name. Cursor, GitHub Copilot, Codex, Antigravity CLI, and Devin can all read `.agents/skills`, so a second copy with the same name collides.
<!-- native:start -->
# Playwright Cline Rules: Locators, Fixtures and Assertions
Conditional Cline rule for Playwright. Install it under `.clinerules/` only.
## Updated for Playwright 1.65.0, Nov 2026
Do not upgrade dependencies or the framework version unless the task asks.
## Project shape
Tests live in the directory the config already s...Cline rules for Prisma: Schema, Migrations and Query Shape. Structure, data, errors, security, performance, and tests. Prisma 7.10.1 stable, Nov 2026.
# Prisma Cline Rules: Schema, Migrations and Query Shape
## Install
Install the native export at `.clinerules/prisma-rules.md` (do not also copy it to `.cline/rules/`).
Copy that export, not this catalog file. Catalog fields such as `tools` and `author` are for presets.dev.
Install one skill file per name. Cursor, GitHub Copilot, Codex, Antigravity CLI, and Devin can all read `.agents/skills`, so a second copy with the same name collides.
<!-- native:start -->
# Prisma Cline Rules: Schema, Migrations and Query Shape
Conditional Cline rule for Prisma. Install it under `.clinerules/` only.
## Updated for Prisma 7.10.1 stable, Nov 2026
Do not upgrade dependencies or the framework version unless the task asks.
The npm `latest` tag for `prisma` is an 8.0 release candidate. The `prev` tag...Cline rules for Python: Environments, Types and pytest. Structure, data, errors, security, performance, and tests. uv 0.13.7 and Ruff 0.17.4, Nov 2026.
# Python Cline Rules: Environments, Types and pytest
## Install
Install the native export at `.clinerules/python-rules.md` (do not also copy it to `.cline/rules/`).
Copy that export, not this catalog file. Catalog fields such as `tools` and `author` are for presets.dev.
Install one skill file per name. Cursor, GitHub Copilot, Codex, Antigravity CLI, and Devin can all read `.agents/skills`, so a second copy with the same name collides.
<!-- native:start -->
# Python Cline Rules: Environments, Types and pytest
Conditional Cline rule for Python. Install it under `.clinerules/` only.
## Updated for uv 0.13.7 and Ruff 0.17.4, Nov 2026
Do not upgrade dependencies or the framework version unless the task asks.
## Project shape
Read `pyproject.toml` and the lockfile first. The package layo...Cline rules for Rails: Models, Strong Params and Jobs. Structure, data, errors, security, performance, and tests. Rails 8.1.4.1, Nov 2026.
# Rails Cline Rules: Models, Strong Params and Jobs
## Install
Install the native export at `.clinerules/rails-rules.md` (do not also copy it to `.cline/rules/`).
Copy that export, not this catalog file. Catalog fields such as `tools` and `author` are for presets.dev.
Install one skill file per name. Cursor, GitHub Copilot, Codex, Antigravity CLI, and Devin can all read `.agents/skills`, so a second copy with the same name collides.
<!-- native:start -->
# Rails Cline Rules: Models, Strong Params and Jobs
Conditional Cline rule for Rails. Install it under `.clinerules/` only.
## Updated for Rails 8.1.4.1, Nov 2026
Do not upgrade dependencies or the framework version unless the task asks.
Rails 8.1.4.1 is the current 8.1 security release. Stay on the version in the Gemfile. 8.1's job...Cline rules for React: Components, State and Effects. Structure, data, errors, security, performance, and tests. React 19.3.1, Nov 2026.
# React Cline Rules: Components, State and Effects
## Install
Install the native export at `.clinerules/react-rules.md` (do not also copy it to `.cline/rules/`).
Copy that export, not this catalog file. Catalog fields such as `tools` and `author` are for presets.dev.
Install one skill file per name. Cursor, GitHub Copilot, Codex, Antigravity CLI, and Devin can all read `.agents/skills`, so a second copy with the same name collides.
<!-- native:start -->
# React Cline Rules: Components, State and Effects
Conditional Cline rule for React. Install it under `.clinerules/` only.
## Updated for React 19.3.1, Nov 2026
Do not upgrade dependencies or the framework version unless the task asks.
## Project shape
Build the tree from function components. One component owns one job. Put shared U...Loading all presets…