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gadget-best-practices

Best practices for building Gadget apps. Use for Gadget-specific models, fields, actions, routes, access control, Shopify/BigCommerce integrations, frontend patterns, API client usage, internal API usage, webhooks, background jobs, testing, deployment, ggt CLI workflows, environment sync, logs, problems, and parallel agent development loops.

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SKILL.md

---
name: gadget-best-practices
description: Best practices for building Gadget apps. Use for Gadget-specific models, fields, actions, routes, access control, Shopify/BigCommerce integrations, frontend patterns, API client usage, internal API usage, webhooks, background jobs, testing, deployment, ggt CLI workflows, environment sync, logs, problems, and parallel agent development loops.
---

## How to use

This skill provides quick reference patterns and best practices for building with Gadget.

**📖 Resources:**
- Full documentation: [docs.gadget.dev](https://docs.gadget.dev)

Read individual rule files for detailed explanations and code examples:

### Core Data Modeling
- [references/models.md](references/models.md) - Data model design patterns and naming conventions
- [references/fields.md](references/fields.md) - Field types, validations, and configuration
- [references/relationships.md](references/relationships.md) - Relationship patterns (belongsTo, hasMany, hasManyThrough)
- [references/data-access.md](references/data-access.md) - Computed views and computed fields (Gelly aggregates, group by, time-series, access control)

### Backend Logic
- [references/actions.md](references/actions.md) - Model actions vs global actions, hooks, and patterns
- [references/routes.md](references/routes.md) - HTTP routes and when to use them vs actions
- [references/background-jobs.md](references/background-jobs.md) - Enqueueing actions and scheduled tasks

### Access Control & Security
- [references/access-control.md](references/access-control.md) - RBAC, permission filters, and Gelly expressions
- [references/shopify-multi-tenancy.md](references/shopify-multi-tenancy.md) - Shop isolation patterns for Shopify apps

### Platform Integrations
- [references/shopify-integration.md](references/shopify-integration.md) - Shopify app patterns (webhooks, sync triggers, metafields)
- [references/bigcommerce-integration.md](references/bigcommerce-integration.md) - BigCommerce app patterns
- [references/webhooks.md](references/webhooks.md) - Webhook handling patterns

### Frontend Development
- [references/frontend-hooks.md](references/frontend-hooks.md) - React hooks from @gadgetinc/react
- [references/frontend-components.md](references/frontend-components.md) - Autocomponents and UI patterns
- [references/frontend-forms.md](references/frontend-forms.md) - Form handling and validation

### Development Workflow
- [references/ggt-cli.md](references/ggt-cli.md) - Canonical ggt workflow (sync, checks, logs, envs, conflict handling, parallel worktrees)
- [references/testing.md](references/testing.md) - Framework-agnostic testing setup, scenarios, and CI gates
- [references/deployment.md](references/deployment.md) - Deployment workflows and environments
- [references/environments.md](references/environments.md) - Environment variables and multi-environment strategies
- [references/project-structure.md](references/project-structure.md) - File organization and conventions

### API & Authentication
- [references/api-client.md](references/api-client.md) - Using the Gadget API client (filters, pagination, relationships)
- [references/internal-api.md](references/internal-api.md) - Internal API usage, atomic updates, transaction-safe writes, and admin/session context
- [references/authentication.md](references/authentication.md) - User authentication patterns
- [references/error-codes.md](references/error-codes.md) - Common Gadget API error codes, likely causes, and triage workflow