https://notes.ducatillon.net/tags/skills/Recent content in Skills on FDUCAT NotebookHugoen-USTue, 05 May 2026 22:45:44 +0200https://notes.ducatillon.net/posts/2026-05-05-how-to-create-a-custom-skill-from-scratch/Tue, 05 May 2026 00:00:00 +0000https://notes.ducatillon.net/posts/2026-05-05-how-to-create-a-custom-skill-from-scratch/<p>I built the <code>article-writing</code> skill to turn CLI conversations into publishable markdown articles. V1 was mostly Codex-oriented, then I iterated: more generic extraction, cleaner deliverables, and 4 tones/voices.</p> <p>Here is a reproducible method to create a custom skill.</p> <h2 id="preconditions">Preconditions<a class="anchor" href="#preconditions">#</a></h2> <p>Having a CLI tool like claude code, copilot, codex or any other with a <code>SKILL.md</code> file to host your custom skill.</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-text" data-lang="text"><span style="display:flex;"><span>SKILLS/&lt;skill-name&gt;/SKILL.md</span></span></code></pre></div><p>Example:</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-text" data-lang="text"><span style="display:flex;"><span>SKILLS/article-writing/SKILL.md</span></span></code></pre></div><h2 id="how-to">How-to<a class="anchor" href="#how-to">#</a></h2> <h3 id="1-define-the-scope">1) Define the scope<a class="anchor" href="#1-define-the-scope">#</a></h3> <p>Define the skill behavior in one complete sentence:</p>