crank/apps/ui/html/wizard/step3-rest.html

        <!-- REST variant -->
        <div id="step-panel-3-rest" class="step-pane">
          <div class="step-panel-header">
            <div class="step-panel-eyebrow">
              <div class="step-panel-eyebrow-line"></div>
              <span data-step-counter>Step 3 of 5</span>
            </div>
            <h1 class="step-panel-title" data-i18n="wizard.step3.rest.title">HTTP method &amp; format</h1>
            <p class="step-panel-subtitle" data-i18n="wizard.step3.rest.subtitle">Choose the HTTP verb this operation sends and configure content negotiation headers. Crank will serialize MCP tool arguments into the appropriate request body format.</p>
          </div>

          <!-- HTTP method picker -->
          <div class="config-card" style="margin-bottom: 20px;">
            <div class="config-card-header">
              <div class="config-card-header-icon">
                <svg width="13" height="13" viewBox="0 0 16 16" fill="none" stroke="var(--text-secondary)" stroke-width="1.7" stroke-linecap="round" stroke-linejoin="round">
                  <path d="M2 8h12M10 4l4 4-4 4"/>
                </svg>
              </div>
              <div>
                <div class="config-card-title" data-i18n="wizard.step3.rest.method_title">HTTP method</div>
                <div class="config-card-subtitle" data-i18n="wizard.step3.rest.method_subtitle">Verb sent to the upstream on every tool invocation</div>
              </div>
              <span class="config-card-optional" style="color:var(--error,#f87171);" data-i18n="wizard.required">Required</span>
            </div>
            <div class="config-card-body">
              <div class="method-grid">
                <button class="method-card" data-method="GET" onclick="selectMethod(this)">
                  <span class="method-name">GET</span>
                  <span class="method-desc" data-i18n="wizard.step3.rest.read">Read</span>
                </button>
                <button class="method-card active" data-method="POST" onclick="selectMethod(this)">
                  <span class="method-name">POST</span>
                  <span class="method-desc" data-i18n="wizard.step3.rest.create">Create</span>
                </button>
                <button class="method-card" data-method="PUT" onclick="selectMethod(this)">
                  <span class="method-name">PUT</span>
                  <span class="method-desc" data-i18n="wizard.step3.rest.replace">Replace</span>
                </button>
                <button class="method-card" data-method="PATCH" onclick="selectMethod(this)">
                  <span class="method-name">PATCH</span>
                  <span class="method-desc" data-i18n="wizard.step3.rest.update">Update</span>
                </button>
                <button class="method-card" data-method="DELETE" onclick="selectMethod(this)">
                  <span class="method-name">DELETE</span>
                  <span class="method-desc" data-i18n="wizard.step3.rest.remove">Remove</span>
                </button>
              </div>
              <div class="method-callout" id="method-callout-rest" hidden></div>
            </div>
          </div>

          <!-- Request format -->
          <div class="config-card" style="margin-bottom: 20px;">
            <div class="config-card-header">
              <div class="config-card-header-icon">
                <svg width="13" height="13" viewBox="0 0 16 16" fill="none" stroke="var(--text-secondary)" stroke-width="1.7" stroke-linecap="round" stroke-linejoin="round">
                  <rect x="2" y="3" width="12" height="10" rx="1.5"/>
                  <path d="M5 7h6M5 10h4"/>
                </svg>
              </div>
              <div>
                <div class="config-card-title" data-i18n="wizard.step3.rest.format_title">Request format</div>
                <div class="config-card-subtitle" data-i18n="wizard.step3.rest.format_subtitle">Content negotiation and serialisation</div>
              </div>
              <span class="config-card-optional" data-i18n="wizard.optional">Optional</span>
            </div>
            <div class="config-card-body" style="gap: 16px;">
              <div class="form-row">
                <div class="form-group">
                  <label class="form-label" data-i18n="wizard.step3.rest.content_type">Content-Type</label>
                  <select class="form-select">
                    <option selected>application/json</option>
                    <option>application/x-www-form-urlencoded</option>
                    <option>multipart/form-data</option>
                    <option>text/plain</option>
                  </select>
                  <div class="form-hint" data-i18n="wizard.step3.rest.content_type_hint">How the request body is encoded when sent to the upstream.</div>
                </div>
                <div class="form-group">
                  <label class="form-label" data-i18n="wizard.step3.rest.accept">Accept</label>
                  <select class="form-select">
                    <option selected>application/json</option>
                    <option>text/plain</option>
                    <option>*/*</option>
                  </select>
                  <div class="form-hint" data-i18n="wizard.step3.rest.accept_hint">Accepted response content types from the upstream server.</div>
                </div>
              </div>
            </div>
          </div>

        </div><!-- /step-pane-3-rest -->