# Cross-Platform AI Usage (Overview)

You are here: [AI Docs Home](../index.md) > Cross-Platform AI Usage

This page gives a high-level overview of cross-platform AI usage, agent workflows, and prompting patterns. For detailed patterns, anti-patterns, and workflows, see the linked guides below.

## Quick Links
- [Prompting Patterns](prompting-patterns.md)
- [Prompting Anti-Patterns](prompting-antipatterns.md)
- [Plan-First Workflow](plan-first-workflow.md)
- [Starter Prompts](starter-prompts.md)
- [MCP Overview](mcp-overview.md)

## Repo Instructions (Always-On Rules)
Instructions are repo-scoped rules that auto-apply based on file patterns. See your repo’s instructions directory (e.g., [assets/instructions/](../../assets/instructions/)).

## Agents and Skills
- Agents: Use for multi-step, structured tasks (see [Agents.md](../../Agents.md)).
- Skills: Use for focused, repeatable workflows (see [Skills Library](../skills.md)).

## Next Steps
- For safety rules, read [Governance, Privacy, and Policy](../governance.md)
- If setup is not working, follow [Troubleshooting and FAQ](../troubleshooting.md)