# CommerceAI > A governed catalog of 600M+ US products, plus four agent-ready capabilities: search, price comparison, product-vs-product, and detailed Q&A. One MCP tool, no SDK required. ## Table of Contents ### Getting started - [Overview](https://commerceai.ai/docs/index.md) - [Quickstart](https://commerceai.ai/docs/guide/quickstart.md) ### API reference - [Search API](https://commerceai.ai/docs/reference/search-api.md) - [Agent Capabilities](https://commerceai.ai/docs/reference/shopping-agent.md) - [Outcomes](https://commerceai.ai/docs/reference/outcomes.md) - [Errors & Retries](https://commerceai.ai/docs/reference/errors.md) ### Guides - [Conversations](https://commerceai.ai/docs/guide/conversations.md) - [Credits](https://commerceai.ai/docs/guide/credits.md) - [Limits & Scope](https://commerceai.ai/docs/guide/rate-limits.md) ### Pricing - [Pricing](https://commerceai.ai/docs/pricing.md) ### Other - [Authentication](https://commerceai.ai/docs/guide/authentication.md) - [Changelog](https://commerceai.ai/docs/changelog.md) - [Connect an MCP client](https://commerceai.ai/docs/guide/mcp-clients.md)