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<h1 id="start-an-app">🚀 Start an App</h1>
<p>This is the entry point for building a new application from the blueprint. The
goal is one deterministic pass: you supply only the <strong>two axes</strong>, and the agent
does the rest by reading the <code>standards</code> MCP, importing Tier A libraries, and
copying Tier B template components.</p>
<blockquote>
<p><strong>Doc model:</strong> this page is the human entry point. The deterministic,
machine-facing checklist lives in the reference page
<a href="../../lib/01_build_recipe/">Build Recipe</a>, served as <code>docs://modules/build_recipe</code>.</p>
</blockquote>
<hr />
<h2 id="what-the-agent-needs-from-you">🧾 What the agent needs from you</h2>
<p>Gather these before starting — the <code>start_app</code> MCP prompt asks for them:</p>
<ol>
<li><strong>App name + one-line purpose.</strong></li>
<li><strong>Axis 1 — resources.</strong> Each resource, its fields, and relationships. Paste
   <code>openapi.yaml</code> if you already have it.</li>
<li><strong>Axis 2 — pipelines.</strong> Only if an input needs a multi-step transformation:
   the families and their input formats (or "none").</li>
<li><strong>Auth needed now?</strong> Default <strong>no</strong>. Auth is deferred (<code>py-jwt</code> primitives
   only), and an authless app is just a spec with no <code>security</code> keys — see
   <a href="../../lib/04_spec_first_routing/#authless-apps">Spec-First Routing → Authless apps</a>.</li>
<li><strong>Integrations.</strong> Mongo, ingestion formats, email, LLM provider.</li>
</ol>
<p>If you can state axes 1 and 2, the rest is mechanical.</p>
<hr />
<h2 id="how-to-start">▶️ How to start</h2>
<p>From an MCP client connected to the <code>standards</code> server:</p>
<ol>
<li>Invoke the <strong><code>intake</code></strong> prompt (or <code>start_app</code> with no arguments) to get the
   intake questions.</li>
<li>Answer them, then invoke <strong><code>build</code></strong>
   (<code>build(app_name=..., resources=..., pipelines=..., auth=...)</code>), or use
   <strong><code>start_app</code></strong> to intake-and-build in one call.</li>
<li>The prompt hands off to <code>docs://modules/build_recipe</code>; the agent scaffolds
   with <code>get_app_template()</code> and pulls exact files with
   <code>get_app_component(kind, resource=..., family=...)</code>, authoring only the
   app-specific parts.</li>
<li>To validate the standard without touching a real app, invoke <strong><code>trial</code></strong>
   (<code>trial(app_name=..., build_path=...)</code>) to build into a scratch directory,
   prove it builds, and report findings.</li>
</ol>
<p>Manual alternative — copy the skeleton and follow the reference recipe:</p>
<div class="language-bash highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal"><a href="#__codelineno-0-1">1</a></span></pre></div></td><td class="code"><div><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1"></a>cp<span class="w"> </span>-r<span class="w"> </span>&lt;docs&gt;/standards/src/templates/app<span class="w"> </span>apps/&lt;your-app&gt;
</span></code></pre></div></td></tr></table></div>
<hr />
<h2 id="reference">📚 Reference</h2>
<ul>
<li><a href="../../lib/01_build_recipe/">Build Recipe</a> — the deterministic checklist</li>
<li><a href="../../lib/12_genericity_matrix/">Genericity Matrix</a> — Tier A / B / C</li>
<li><a href="../../lib/13_library_registry/">Library Registry</a> — the Tier A catalog</li>
<li><a href="../02_components/">App Components</a> — the component model</li>
</ul>
<hr />
<h2 id="related">Related</h2>
<ul>
<li><a href="../01_overview/">01 – Overview</a> · <a href="../02_components/">02 – App Components</a> · <a href="../04_development/01_testing/">04 – Testing &amp; Quality</a></li>
</ul>












                
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