> For the complete documentation index, see [llms.txt](https://developer.harness.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.harness.io/harness-ai/3.0/personalization.md).

# Personalization

- [Chat History and Memory](https://developer.harness.io/harness-ai/3.0/personalization/memory-chat-history.md): Using Harness AI's chat search and memory to build on previous context
- [Harness AI Rules](https://developer.harness.io/harness-ai/3.0/personalization/rules.md): Use Harness AI Rules to tailor AI output to enterprise standards before Harness resources are created or changed.
- [PR Summaries & Code Review](https://developer.harness.io/harness-ai/3.0/personalization/code-pr.md): Use Harness AI to generate PR summaries, analyze code changes, and facilitate code review.
- [MCP Connectors](https://developer.harness.io/harness-ai/3.0/personalization/harness-ai-mcp-connectors.md): Add third-party MCP connectors to Harness AI chat to give the assistant tools from external services such as GitHub, GitLab, and Jira.
- [Memories](https://developer.harness.io/harness-ai/3.0/personalization/memories.md): Use Harness AI Memories to personalize AI responses with context captured from your chats.