Add AI Chat topic

[Simon-He95]

Please confirm this pull request meets the following requirements:

• I followed the contributing guidelines: https://github.com/github/explore/blob/main/CONTRIBUTING.md.
• This change is not self-promotion.

Which change are you proposing?

• Suggesting edits to an existing topic or collection
• Curating a new topic or collection
• Something that does not neatly fit into the binary options above

Curating a new topic or collection

• I've formatted my changes as a new folder directory, named for the topic or collection as it appears in the URL on GitHub (e.g. https://github.com/topics/[NAME] or https://github.com/collections/[NAME])
• My folder contains a *.png image (if applicable) and index.md
• All required fields in my index.md conform to the Style Guide and API docs: https://github.com/github/explore/tree/main/docs

The ai-chat topic is currently used by 679 public repositories. Curating it would give developers a concise, neutral description and useful related topics for discovering conversational AI applications, chat interface libraries, self-hosted assistants, and model integrations. No official logo is associated with the broad topic, so an image is not applicable.

[github-actions]

Maintainer triage

Topics

• ai-chat — 679 repositories — topic page

[Copilot]

Pull request overview

Adds the ai-chat topic to improve discovery of conversational AI projects.

Changes:

• Defines valid topic metadata and related topics.
• Adds a concise, neutral description of AI chat software.

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.