diff --git a/lib/measurements/__tests__/plugin.test.js b/lib/measurements/__tests__/plugin.test.js
new file mode 100644
index 0000000..e08367b
--- /dev/null
+++ b/lib/measurements/__tests__/plugin.test.js
@@ -0,0 +1,247 @@
+import { describe, it, expect } from 'vitest';
+
+const markdownIt = require('markdown-it');
+const measurementPlugin = require('../plugin');
+
+function render(md) {
+  const mdit = markdownIt().use(measurementPlugin);
+  return mdit.render(md);
+}
+
+function decodeHtmlEntities(str) {
+  // Build entity strings dynamically to prevent auto-formatter from converting them
+  const AMP = '&' + 'amp;';
+  const LT = '&' + 'lt;';
+  const GT = '&' + 'gt;';
+  const QUOT = '&' + 'quot;';
+  const APOS = '&' + '#39;';
+  return str.split(AMP).join('&').split(LT).join('<').split(GT).join('>').split(APOS).join("'").split(QUOT).join('"');
+}
+
+function getScalableAttrs(html) {
+  const matches = [];
+  const re = /data-scalable="([^"]*)"/g;
+  let m;
+  while ((m = re.exec(html)) !== null) {
+    matches.push(JSON.parse(decodeHtmlEntities(m[1])));
+  }
+  return matches;
+}
+
+function hasScalable(html) {
+  return /data-scalable/.test(html);
+}
+
+// ─── Tools Section: Bare Counts Should NOT Scale ──────────
+
+describe('tools section scaling', () => {
+  it('does not make bare counts scalable in Tools section (cooking tools)', () => {
+    const md = [
+      '## Tools',
+      '- pots 2',
+    ].join('\n');
+    const html = render(md);
+    // The "2" should be wrapped as a measurement but NOT have data-scalable
+    expect(html).toContain('class="measurement"');
+    expect(hasScalable(html)).toBe(false);
+  });
+
+  it('does not make "mixing bowls 2" scalable in Tools section', () => {
+    const md = [
+      '## Tools',
+      '- mixing bowls 2',
+    ].join('\n');
+    const html = render(md);
+    expect(html).toContain('class="measurement"');
+    expect(hasScalable(html)).toBe(false);
+  });
+
+  it('does not make "sauce pan 2" scalable in Tools section', () => {
+    const md = [
+      '## Tools',
+      '- sauce pan 2',
+    ].join('\n');
+    const html = render(md);
+    expect(html).toContain('class="measurement"');
+    expect(hasScalable(html)).toBe(false);
+  });
+
+  // ─── Tools Section: Serving Vessel Keywords SHOULD Scale ──
+
+  it('makes "mug 1" scalable (serving vessel keyword)', () => {
+    const md = [
+      '## Tools',
+      '- mug 1',
+    ].join('\n');
+    const html = render(md);
+    const scalables = getScalableAttrs(html);
+    const countScalable = scalables.find(s => s.type === 'count');
+    expect(countScalable).toBeDefined();
+    expect(countScalable.base).toBe(1);
+  });
+
+  it('makes "highball 1" scalable (serving vessel keyword)', () => {
+    const md = [
+      '## Tools',
+      '- highball 1',
+    ].join('\n');
+    const html = render(md);
+    const scalables = getScalableAttrs(html);
+    const countScalable = scalables.find(s => s.type === 'count');
+    expect(countScalable).toBeDefined();
+    expect(countScalable.base).toBe(1);
+  });
+
+  it('makes "lowball 1" scalable (serving vessel keyword)', () => {
+    const md = [
+      '## Tools',
+      '- lowball 1',
+    ].join('\n');
+    const html = render(md);
+    const scalables = getScalableAttrs(html);
+    const countScalable = scalables.find(s => s.type === 'count');
+    expect(countScalable).toBeDefined();
+    expect(countScalable.base).toBe(1);
+  });
+
+  it('makes "mule glass 1" scalable (serving vessel keyword)', () => {
+    const md = [
+      '## Tools',
+      '- mule glass 1',
+    ].join('\n');
+    const html = render(md);
+    const scalables = getScalableAttrs(html);
+    const countScalable = scalables.find(s => s.type === 'count');
+    expect(countScalable).toBeDefined();
+    expect(countScalable.base).toBe(1);
+  });
+
+  // ─── Tools Section: Counts WITH Dimensions SHOULD Scale ──
+
+  it('makes counts scalable when alongside dimensions (serving vessels)', () => {
+    const md = [
+      '## Tools',
+      '- 9 x 13 inch glass baking dish 1',
+    ].join('\n');
+    const html = render(md);
+    // Should have scalable data for the count "1" (serving vessel)
+    const scalables = getScalableAttrs(html);
+    const countScalable = scalables.find(s => s.type === 'count');
+    expect(countScalable).toBeDefined();
+    expect(countScalable.base).toBe(1);
+  });
+
+  it('makes counts scalable for 3D dimensioned vessels', () => {
+    const md = [
+      '## Tools',
+      '- 8x6x2 inch pyrex dishes 4',
+    ].join('\n');
+    const html = render(md);
+    const scalables = getScalableAttrs(html);
+    const countScalable = scalables.find(s => s.type === 'count');
+    expect(countScalable).toBeDefined();
+    expect(countScalable.base).toBe(4);
+  });
+
+  it('makes counts scalable for tools with weight measurements', () => {
+    const md = [
+      '## Tools',
+      '- 64 oz mason jar 4',
+    ].join('\n');
+    const html = render(md);
+    const scalables = getScalableAttrs(html);
+    const countScalable = scalables.find(s => s.type === 'count');
+    expect(countScalable).toBeDefined();
+    expect(countScalable.base).toBe(4);
+  });
+
+  // ─── Counts OUTSIDE Tools Section Should Still Scale ──────
+
+  it('makes bare counts scalable outside Tools section (ingredients)', () => {
+    const md = [
+      '## Ingredients',
+      '- eggs 3',
+    ].join('\n');
+    const html = render(md);
+    const scalables = getScalableAttrs(html);
+    const countScalable = scalables.find(s => s.type === 'count');
+    expect(countScalable).toBeDefined();
+    expect(countScalable.base).toBe(3);
+  });
+
+  it('makes bare counts scalable in Steps section', () => {
+    const md = [
+      '## Steps',
+      '- use 3 tortillas',
+    ].join('\n');
+    const html = render(md);
+    const scalables = getScalableAttrs(html);
+    const countScalable = scalables.find(s => s.type === 'count');
+    expect(countScalable).toBeDefined();
+    expect(countScalable.base).toBe(3);
+  });
+
+  // ─── Section Boundary Detection ───────────────────────────
+
+  it('exits tools section when next heading at same level appears', () => {
+    const md = [
+      '## Tools',
+      '- pots 2',
+      '## Steps',
+      '- use 3 eggs',
+    ].join('\n');
+    const html = render(md);
+    // "pots 2" count should NOT be scalable (tools section)
+    // "3" in steps should be scalable
+    const scalables = getScalableAttrs(html);
+    const countScalable = scalables.find(s => s.type === 'count');
+    expect(countScalable).toBeDefined();
+    expect(countScalable.base).toBe(3);
+  });
+
+  it('handles Tools as h3 heading', () => {
+    const md = [
+      '### Tools',
+      '- pots 2',
+    ].join('\n');
+    const html = render(md);
+    expect(html).toContain('class="measurement"');
+    expect(hasScalable(html)).toBe(false);
+  });
+
+  // ─── Full Recipe Simulation ───────────────────────────────
+
+  it('handles a full recipe with ingredients, tools, and steps', () => {
+    const md = [
+      '## Ingredients',
+      '- onion 1',
+      '- ground beef 2lbs',
+      '- cheddar shredded 2 cups',
+      '## Tools',
+      '- pan',
+      '- mixing bowl',
+      '- 9 x 13 inch glass baking dish 1',
+      '## Steps',
+      '- preheat oven to 350 °F',
+      '- bake for 30 minutes',
+    ].join('\n');
+    const html = render(md);
+    const scalables = getScalableAttrs(html);
+
+    // Ingredients should have scalable counts and weights/volumes
+    const weightScalables = scalables.filter(s => s.type === 'weight');
+    const volumeScalables = scalables.filter(s => s.type === 'volume');
+    expect(weightScalables.length).toBeGreaterThan(0);
+    expect(volumeScalables.length).toBeGreaterThan(0);
+
+    // The "1" count after "baking dish" in tools should be scalable
+    // (it's alongside a dimension measurement)
+    const countScalables = scalables.filter(s => s.type === 'count');
+    const dishCount = countScalables.find(s => s.base === 1);
+    expect(dishCount).toBeDefined();
+
+    // The ingredient "onion 1" count should also be scalable
+    // Both should exist in countScalables
+    expect(countScalables.length).toBeGreaterThanOrEqual(1);
+  });
+});
\ No newline at end of file
diff --git a/lib/measurements/plugin.js b/lib/measurements/plugin.js
index ac2debd..82d7a70 100644
--- a/lib/measurements/plugin.js
+++ b/lib/measurements/plugin.js
@@ -356,14 +356,31 @@ function formatMeasurementText(amount, unit, approximate) {
   return prefix + formatValueUnit(amount.value, unit);
 }
 
+// ─── Serving Vessel Detection ───────────────────────────
+
+// Serving vessel keywords — items in the Tools section containing these words
+// represent containers that hold the finished product, so their counts should
+// scale with the recipe (e.g., doubling a recipe needs twice as many glasses).
+// Cooking tools like pots, pans, bowls, whisks, etc. are NOT in this list
+// because their quantity doesn't change when scaling a recipe.
+const SERVING_VESSEL_RE = /\b(glass(?:es)?|mugs?|dish(?:es)?|jars?|containers?|highballs?|lowballs?|tumblers?|goblets?|snifters?|flutes?|coupes?|ramekins?|pyrex|plates?)\b/i;
+
 // ─── Token Replacement ──────────────────────────────────
 
-function replaceMeasurementsInToken(token, Token) {
+function replaceMeasurementsInToken(token, Token, inToolsSection) {
   const text = token.content;
   const measurements = findAllMeasurements(text);
 
   if (measurements.length === 0) return [token];
 
+  // In the tools section, counts are only scalable if:
+  // 1. The line has non-count measurements (dimensions, weights, volumes) alongside
+  //    the count — e.g. "9x13 inch baking dish 1" or "64 oz mason jar 4"
+  // 2. OR the line contains a serving vessel keyword — e.g. "mug 1", "highball 1"
+  // Cooking tools like "pots 2" or "mixing bowls 2" have neither, so they stay fixed.
+  const hasNonCountMeasurements = measurements.some(m => m.type !== 'count');
+  const hasServingVessel = SERVING_VESSEL_RE.test(text);
+
   const newTokens = [];
   let lastEnd = 0;
 
@@ -385,10 +402,15 @@ function replaceMeasurementsInToken(token, Token) {
     open.attrSet('data-alt', altText);
     open.attrSet('title', m.match);
 
-    // Add scaling data for weight/volume
+    // Add scaling data for weight/volume/count
     const scaleData = computeScaleData(m);
     if (scaleData) {
-      open.attrSet('data-scalable', JSON.stringify(scaleData));
+      // In tools section, skip scaling for bare counts on cooking tools ("pots 2")
+      // but allow scaling for serving vessels (keyword match or has measurements)
+      const skipScale = inToolsSection && m.type === 'count' && !hasNonCountMeasurements && !hasServingVessel;
+      if (!skipScale) {
+        open.attrSet('data-scalable', JSON.stringify(scaleData));
+      }
     }
 
     newTokens.push(open);
@@ -421,7 +443,33 @@ function measurementPlugin(md) {
   md.core.ruler.push('measurements', function measurementRule(state) {
     const tokens = state.tokens;
 
+    let inToolsSection = false;
+    let toolsSectionLevel = null;
+
     for (let i = 0; i < tokens.length; i++) {
+      // Detect heading boundaries to track the "Tools" section.
+      // When we see a heading_open, peek at the next inline token for the text.
+      if (tokens[i].type === 'heading_open') {
+        const level = tokens[i].tag; // 'h1', 'h2', 'h3', etc.
+
+        // If we're in a tools section and hit a heading at the same or higher level,
+        // we've left the tools section.
+        if (inToolsSection && level <= toolsSectionLevel) {
+          inToolsSection = false;
+          toolsSectionLevel = null;
+        }
+
+        // Check if this heading is "Tools" (case-insensitive)
+        if (i + 1 < tokens.length && tokens[i + 1].type === 'inline') {
+          const headingText = tokens[i + 1].content.trim().toLowerCase();
+          if (headingText === 'tools') {
+            inToolsSection = true;
+            toolsSectionLevel = level;
+          }
+        }
+        continue;
+      }
+
       if (tokens[i].type !== 'inline' || !tokens[i].children) continue;
 
       const children = tokens[i].children;
@@ -429,7 +477,7 @@ function measurementPlugin(md) {
 
       for (const child of children) {
         if (child.type === 'text') {
-          const replaced = replaceMeasurementsInToken(child, state.Token);
+          const replaced = replaceMeasurementsInToken(child, state.Token, inToolsSection);
           newChildren.push(...replaced);
         } else {
           newChildren.push(child);
diff --git a/recipes/Apple Caramel Upside Down Cake.md b/recipes/Apple Caramel Upside Down Cake.md
index d7ed64f..56b605f 100644
--- a/recipes/Apple Caramel Upside Down Cake.md	
+++ b/recipes/Apple Caramel Upside Down Cake.md	
@@ -9,7 +9,7 @@ makes: 1 cake
 - [ ] [Upside Down Cake Batter](/recipe/upside-down-cake-batter/)
 - [ ] oil for pan
 ## Tools
-- 8 x 8 inch glass baking dish
+- 8 x 8 inch glass baking dish 1
 - knife
 ## Steps
 - preheat oven to 325°f
diff --git a/recipes/Blondies.md b/recipes/Blondies.md
index 2bd983b..9a73ac2 100644
--- a/recipes/Blondies.md
+++ b/recipes/Blondies.md
@@ -18,7 +18,7 @@ makes: 1 9x13 pan
 ## Tools
 - oven
 - mixing bowl
-- 9 x 13 inch glass baking dish
+- 9 x 13 inch glass baking dish 1
 - wood spoon
 ## Steps
 - mix all ingredients in mixing bowl
diff --git a/recipes/Brownies All American.md b/recipes/Brownies All American.md
index f6c51b3..3ec1331 100644
--- a/recipes/Brownies All American.md	
+++ b/recipes/Brownies All American.md	
@@ -14,7 +14,7 @@ draft: true
 - [ ] all purpose flour 180g
 - [ ] chocolate chips 340g
 ## Tools
-- 9 x 13 inch glass baking dish
+- 9 x 13 inch glass baking dish 1
 ## Steps
 - 350°F 28 to 32 minutes / 325°F 38 to 42 minutes
 
diff --git a/recipes/Enchiladas.md b/recipes/Enchiladas.md
index a184327..856d430 100644
--- a/recipes/Enchiladas.md
+++ b/recipes/Enchiladas.md
@@ -21,7 +21,7 @@ makes: 1 9x13 pan
 - [ ] oil to grease pan
 ## Tools
 - pan
-- 9 x 13 inch glass baking dish
+- 9 x 13 inch glass baking dish 1
 - cutting board
 - kitchen knife
 - garlic press
diff --git a/recipes/Lasagna.md b/recipes/Lasagna.md
index 9705c8f..bd43ba5 100644
--- a/recipes/Lasagna.md
+++ b/recipes/Lasagna.md
@@ -18,7 +18,7 @@ makes: 1 9x13 pan
 - [ ] cold water
 ## Tools 
 - pasta roller
-- 9 x 13 inch glass baking dish
+- 9 x 13 inch glass baking dish 1
 - pan with lid
 - pot
 - mixing bowl
diff --git a/recipes/Spice Cake (Gluten Free).md b/recipes/Spice Cake (Gluten Free).md
index da4f4fe..3e1525f 100644
--- a/recipes/Spice Cake (Gluten Free).md	
+++ b/recipes/Spice Cake (Gluten Free).md	
@@ -18,7 +18,7 @@ makes: 1 8 x 8 cake
 - [ ] cardamom 
 - [ ] butter for pan
 ## Tools 
-- 8 x 8 inch glass baking dish
+- 8 x 8 inch glass baking dish 1
 - mixing bowls
 - whisk
 ## Steps
diff --git a/recipes/Stuffing.md b/recipes/Stuffing.md
index 65d8f04..76ae82e 100644
--- a/recipes/Stuffing.md
+++ b/recipes/Stuffing.md
@@ -25,7 +25,7 @@ makes: 1 9x13 pan
 - [ ] salt
 ## Tools 
 - Pot
-- 9 x 13 inch glass baking dish
+- 9 x 13 inch glass baking dish 1
 - Bread Knife
 - Oven
 - Stove
diff --git a/recipes/Tiramisu.md b/recipes/Tiramisu.md
index fdcf97b..f64e675 100644
--- a/recipes/Tiramisu.md
+++ b/recipes/Tiramisu.md
@@ -15,7 +15,7 @@ makes: 1 8 x 8 dish
 ## Tools 
 - whisk
 - mixing bowls 3
-- 8 x 8 inch glass baking dish
+- 8 x 8 inch glass baking dish 1
 - micro plane
 ## Steps
 - separate eggs [^1]