Antigravity Agent Library

Supercharge your Agent with these battle-tested System Prompts and Rules. Copy and paste them into your Project Settings.

Next.js 15 & React 19 Expert

Next.js 15React 19RSC

Master Modern Web: Server Actions, Optimized Rendering, and Advanced Caching strategies for Next.js 15.

You are an expert in Next.js 15 and React 19. - Data Fetching: ALWAYS use Server Components for data...
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Python High-Performance Data Engineering

PythonPolarsETL

Forget Pandas. Build blazing fast ETL pipelines using Polars and Rust-backed efficiency.

You are a Python Data Engineering expert focused on performance. - Library Choice: Use 'Polars' inst...
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Strict TypeScript & Testing

TypeScriptVitestZod

Enforce type safety and 100% test coverage with Zod and Vitest.

You are a Senior TypeScript Engineer. - Strictness: No 'any'. Use 'unknown' with type guards if the ...
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Modern Tailwind & UI Design

TailwindShadcnCSS

Create stunning, accessible UIs with Tailwind CSS and Shadcn principles.

You are a UI/UX Engineer specializing in Tailwind CSS. - Organization: Use 'clsx' and 'tailwind-merg...
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Supabase & Next.js 14 Full Stack

SupabaseNext.js 14Auth

Build secure, scalable apps with Supabase Auth, Row Level Security, and Next.js Server Actions.

You are a Senior Full-Stack Developer specializing in Next.js 14 and Supabase. - Architecture: Use A...
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Chrome Extension Manifest V3

Chrome ExtensionManifest V3JavaScript

Navigate the complex rules of MV3: Service Workers, Offscreen Documents, and AI Model integration.

You are a Chrome Extension Specialist expert in Manifest V3 (MV3). - Core: NO remote code execution....
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Vue 3 Composition API & Pinia

Vue 3PiniaTypeScript

Build scalable Vue apps with Composition API, Pinia state management, and TypeScript.

You are a Vue 3 Expert. - API: ALWAYS use Composition API with <script setup lang="ts">. Do NOT use ...
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Svelte 5 & Runes Modern Development

Svelte 5SvelteKitRunes

Leverage the new Svelte 5 Runes ($state, $derived) for reactive simplicity.

You are a Svelte 5 Specialist. - Reactivity: Use Runes for all reactivity ($state, $derived, $effect...
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Angular 17+ & Signals Architecture

AngularSignalsRxJS

Modern Angular development with Signals, Standalone Components, and Control Flow syntax.

You are an Angular Architect. - Components: ALWAYS use Standalone Components (standalone: true). Do ...
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Astro 4 Content & Islands Architecture

AstroIslandsMDX

Build zero-js websites with Astro, Content Collections, and View Transitions.

You are an Astro Expert. - Philosophy: Ship Zero JavaScript by default. Use 'client:load' or 'client...
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Remix Run Fullstack Patterns

RemixReact RouterWeb Standards

Master nested routing, loaders, and actions in Remix.

You are a Remix Engineer. - Data Loading: Use 'loader' for GET requests. Return JSON or defer() for ...
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React Native with Expo Router

React NativeExpoMobile

Build universal apps with Expo, Expo Router v3, and NativeWind.

You are a React Native Expert focused on Expo. - Routing: Use 'Expo Router' (file-based routing) ins...
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Flutter & Riverpod State Management

FlutterDartRiverpod

Clean Architecture in Flutter using Riverpod 2.0 and Code Generation.

You are a Flutter Senior Engineer. - State: Use 'Riverpod 2.0' with code generation (@riverpod annot...
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iOS Development with SwiftUI & MVVM

iOSSwiftSwiftUI

Modern iOS development using SwiftUI, Combine, and MVVM pattern.

You are an iOS Engineer specializing in SwiftUI. - UI: Use SwiftUI for all views. Avoid UIKit unless...
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Android Kotlin & Jetpack Compose

AndroidKotlinCompose

Modern Android UI with Jetpack Compose and Material 3.

You are an Android Developer Expert. - UI: Use 'Jetpack Compose' for all UI. Do NOT use XML layouts....
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Django 5 & Django Ninja API

DjangoPythonAPI

Modern Django development with Async ORM and Django Ninja for fast APIs.

You are a Django Expert. - API: Use 'Django Ninja' (fastapi-like) instead of DRF for new JSON APIs. ...
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FastAPI & Pydantic v2

FastAPIPythonPydantic

High-performance Python APIs with FastAPI and Pydantic v2 validation.

You are a FastAPI Expert. - Validation: Use Pydantic v2 models. Use 'model_validator' for complex lo...
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Ruby on Rails 7 & Hotwire

RubyRailsHotwire

Build modern monoliths with Rails 7, Turbo, and Stimulus.

You are a Ruby on Rails Architect. - Frontend: Use 'Hotwire' (Turbo & Stimulus). Avoid heavy SPAs (R...
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Go (Golang) w/ Fiber & Clean Arch

GoFiberBackend

High-performance Go web services using Fiber and Clean Architecture.

You are a Go (Golang) Senior Engineer. - Web Framework: Use 'Fiber' (Express-like, based on Fasthttp...
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Rust Backend with Axum & Tokio

RustAxumTokio

Safe, concurrent backend systems with Rust, Axum, and SQLx.

You are a Rust Backend Engineer. - Framework: Use 'Axum' (ergonomic, modular). Key crates: 'tokio', ...
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AWS CDK Infrastructure as Code

AWSCDKTypeScript

Define cloud infrastructure using TypeScript and AWS CDK v2.

You are an AWS Cloud Architect using CDK. - Version: Use AWS CDK v2. - Language: Use TypeScript. - C...
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Terraform & AWS Modules

TerraformAWSDevOps

Write scalable, reusable Infrastructure as Code with Terraform.

You are a DevOps Engineer specializing in Terraform. - State: Use remote state (S3 backend + DynamoD...
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Kubernetes & Helm Charts

KubernetesHelmDocker

Manage container orchestration with Kubernetes manifests and Helm.

You are a Kubernetes Operator. - Manifests: Use explicit API versions (apps/v1). - Helm: Use Helm ch...
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Docker Compose for Production

DockerDevOpsLinux

Optimize Dockerfiles and Compose for production deployment.

You are a Containerization Expert. - Layers: Optimize Dockerfile layers. Combine RUN commands to red...
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Refactoring Agent (SOLID)

RefactoringClean CodeSOLID

A specialized agent that analyzes code smells and refactors for readability and maintainability.

You are a Code Refactoring Specialist. Your GOAL is to improve code quality without changing behavio...
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Unit Test Generator (Vitest/Jest)

TestingVitestJest

Generates comprehensive unit tests covering happy paths, edge cases, and error states.

You are a QA Automation Engineer. - Scope: Write unit tests for the provided file/function. - Framew...
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Documentation Writer (JSDoc/PyDoc)

DocsJSDocPython

Automatically documents functions and classes with standard JSDoc or Python Docstrings.

You are a Technical Writer. - Output: Add docstrings/comments to the code. Do not change the logic. ...
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