magpie-newcomer-issue-explainer

<!-- SPDX-License-Identifier: Apache-2.0 https://www.apache.org/licenses/LICENSE-2.0 --> <!-- Placeholder convention: <upstream> → upstream codebase repo in `owner/name` form (default: read from `<project-config>/project.md → upstream_repo`) <project-config> → the adopting project's config directory (see /AGENTS.md § Placeholder convention) Substitute these with concrete values before running any `gh` command below. --> # newcomer-issue-explainer **Status: experimental.** An Agentic Mentoring ([conversational mentoring](../../docs/mentoring/spec.md)) skill that explains an existing good-first-issue to a newcomer contributor in plain language. Where [`good-first-issue-author`](../good-first-issue-author/SKILL.md) *authors* issues and [`good-first-issue-sweep`](../good-first-issue-sweep/SKILL.md) *curates* the backlog, this skill *explains* what has already been filed — it is the teaching bridge between "I found an issue" and "I know where to start". This skill acts on **one issue** per invocation. Its job is to answer, for the supplied issue number, two questions in order: > *Is this issue suitable to explain to a first-time contributor — and > if so, what does a concrete, beginner-friendly explanation say?* If the issue is unsuitable (closed, security-sensitive, or too vague), the skill says so and exits without drafting. A missing explanation is better than a misleading one. The Agentic Mentoring spec (scope, register, hand-off rules, adopt...