magpie-mentoring-welcome

<!-- 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. --> # mentoring-welcome **Status: experimental.** A Agentic Mentoring ([conversational mentoring](../../docs/mentoring/spec.md)) skill that greets a first-time contributor with orientation context on their very first issue or PR: the contributing guide, community norms, expected next steps, and a pointer to the good-first-issue pool if they want further on-ramps. It exists so that a first-time contributor does not have to discover project conventions through rejected PRs or unanswered issues — the orientation arrives at their first contact and costs the maintainer one confirmation click. This skill acts on **one thread** per invocation. Its job is to answer, for the invoked thread, one question in order: > *Is the author a first-time contributor to this repo who has not yet > received an orientation comment — and if so, what does that comment say?* If the author is not a first-time contributor, the skill exits silently. The agent's silence is a feature: it does not spam repeat contributors with orientation they have already intern...