Search across all your GitHub Copilot Chat session history from a single panel.

Features

Full-text search across every Copilot Chat session you have ever had
Results grouped by session, showing the workspace folder and session title
Highlights matching terms inside each turn snippet
Expand / collapse long responses inline
Copy any turn to clipboard with one click
Finds turns from active sessions (even ones not yet flushed to the database)

Requirements

GitHub Copilot Chat must be installed and have at least one session
Windows (this was not tested and likely does not work on Linux/Mac)

Usage

Open the Command Palette (Ctrl+Shift+P / Cmd+Shift+P)
Run Copilot: Search Sessions
Type any term — results appear as you type

How it works

Copilot Chat stores session history in a SQLite database at:

%APPDATA%\Code\User\globalStorage\github.copilot-chat\session-store.db

This extension reads that file in-memory using sql.js (pure WebAssembly SQLite — no native bindings required). It uses FTS5 full-text search for speed, falling back to a LIKE scan when FTS5 is unavailable.

Session titles and turns from currently-open sessions (not yet written to the database) are read directly from the per-workspace chatSessions/*.jsonl files.