Find likely duplicate GitHub issues through parallel search and evidence filtering with Claude Code dedupe

Use Claude Code dedupe to summarize an issue, run several GitHub duplicate searches in parallel, filter false positives, and post only well-supported possible-duplicate links.

Prerequisites

Claude Code, GitHub repository access, repository-provided gh wrapper/comment scripts

Installation

Use the upstream install or setup path that matches your environment:

• brew install --cask claude-code
• npm install -g @anthropic-ai/claude-code

Requirements and caveats from upstream:

• ![npm]

Basic usage or getting-started notes:

• For more installation options, uninstall steps, and troubleshooting, see the setup documentation.

• Install Claude Code:

• MacOS/Linux (Recommended):

• Source: https://github.com/anthropics/claude-code/blob/main/.claude/commands/dedupe.md

• Extracted from upstream docs: https://raw.githubusercontent.com/anthropics/claude-code/HEAD/README.md

Documentation

• https://code.claude.com/docs/en/overview

Source

• Agent Skill Exchange