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coder/docs/ai-coder/agents/chat-search-syntax.md
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Cian Johnston 15ada66e14 feat: add pr, repo, pr_title chat search filters (#25569)
Relates to CODAGT-432

Adds three new search filters to the chat list endpoint (`GET
/api/experimental/chats/`):

- `pr:<number>` - exact PR number match
- `repo:<owner/repo>` - substring match against git remote origin or URL
- `pr_title:<text>` - case-insensitive PR title substring match

Includes SQL filter clauses (EXISTS against `chat_diff_statuses`),
parser with validation, handler wiring, unit tests, swagger annotation
update, and a new search syntax documentation page.

> 🤖 Generated with [Coder Agents](https://coder.com/agents)
2026-05-22 13:58:07 +01:00

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Markdown

# Conversation Search Syntax
The chat list endpoint accepts a `q` query parameter for filtering
conversations. All filters use `key:value` syntax. Bare search terms
are rejected; use `title:` for title filtering.
## Filters
| Key | Values | Description |
|--------------|-------------------------------------|----------------------------------------------------------------------------------------------------|
| `title` | substring | Case-insensitive substring match. Quote multi-word values. |
| `archived` | `true`, `false` | Filter by archived state. Default: `false`. |
| `has_unread` | `true`, `false` | Conversations with unread assistant messages. |
| `pr_status` | `draft`, `open`, `merged`, `closed` | Linked pull request state. Comma-separated for OR. |
| `diff_url` | URL | Match by associated diff URL. Quote values containing colons. |
| `pr` | positive integer | Exact PR number match. |
| `repo` | substring | Case-insensitive substring match against git remote origin or URL. Quote values containing colons. |
| `pr_title` | substring | Case-insensitive PR title substring match. Quote multi-word values. |
Multiple filters in one query combine with AND logic.
## Examples
```sh
# Title substring (case-insensitive)
?q=title:deploy
# Multi-word title (URL-encode the space or use +)
?q=title:my+project
# Unread conversations
?q=has_unread:true
# Conversations with open or draft PRs
?q=pr_status:open,draft
# Filter by diff URL (quote values containing colons)
?q=diff_url:"https://github.com/coder/coder/pull/123"
# Combine filters
?q=title:refactor+has_unread:true+pr_status:merged
# Conversations linked to PR #42
?q=pr:42
# Conversations for a specific repository
?q=repo:coder/coder
# Conversations with a specific PR title
?q=pr_title:"fix auth bug"
```
## Notes
- `title:`, `repo:`, and `pr_title:` use ILIKE matching. `%` and `_` act as wildcards.
- `pr_status:draft` means the PR is open **and** marked as a draft.
`pr_status:open` means the PR is open and not a draft.
- Conversations without a linked diff status are excluded when `pr_status`, `pr`, `repo`, or `pr_title` is set. The `repo:` filter also matches chats tracking a branch with no PR.
- Unrecognized keys or bare terms return HTTP 400 with a validation error.