Directory / Awesome Copilot plugins (GitHub) / doublecheck

doublecheck

Three-layer verification pipeline for AI output. Extracts claims, finds sources, and flags hallucination risks so humans can verify before acting.
Description from the marketplace entry / plugin manifest.

Information source

Copied from the Awesome Copilot plugins (GitHub) catalog (github/awesome-copilot), maintained by GitHub + community contributors.

Marketplace entry: .github/plugin/marketplace.json
Plugin manifest: plugins/doublecheck/plugin.json

Links are pinned to commit b1a0045 (2026-10-26), the version we synced. Not reviewed by us.

Install

In Copilot CLI (the marketplace is registered by default)

copilot plugin install doublecheck@awesome-copilot

If the marketplace is unknown, register it once

copilot plugin marketplace add github/awesome-copilot

Commands follow each host's documentation (GitHub Copilot CLI docs). gh skill needs GitHub CLI 2.90 or later and is in public preview.

Listed from GitHub + community contributors's catalog, not reviewed by us. Read the source before installing.

Catalog: Awesome Copilot plugins (GitHub) (awesome-copilot)
Information source: marketplace.json in github/awesome-copilot
Author: Awesome Copilot Community
Source code: github/awesome-copilot
License: MIT
Repository stars: 40,417 for github/awesome-copilot (the whole catalog repo)
Version: 1.0.0
Added to catalog: Not tracked for this source
Last change: 2026-10-26 (last push to the repo)

What it contains

Skills: 1
Subagents: 1

Keywords: verification, hallucination, fact-check, source-citation, trust, safety

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