diff --git a/packages/core/src/index.js b/packages/core/src/index.js
index 0efb094..b821483 100644
--- a/packages/core/src/index.js
+++ b/packages/core/src/index.js
@@ -17,7 +17,8 @@ const SCREENSHOT_KEYS = [
   'optimizeForSpeed',
   'codeScheme',
   'animated',
-  'palette'
+  'palette',
+  'quality'
 ]
 
 const PDF_KEYS = [
diff --git a/packages/mcp/src/schemas.js b/packages/mcp/src/schemas.js
index 5fff4a2..06d749f 100644
--- a/packages/mcp/src/schemas.js
+++ b/packages/mcp/src/schemas.js
@@ -120,6 +120,7 @@ export const screenshotConfigSchema = objectLikeSchema(
       optimizeForSpeed: booleanSchema.optional(),
       overlay: screenshotOverlaySchema.optional(),
       palette: booleanSchema.optional(),
+      quality: z.number().min(0).max(100).optional(),
       type: z.enum(['jpeg', 'png']).optional()
     })
     .strict()
@@ -227,12 +228,15 @@ const fullShape = {
   ping: toggledObjectSchema.optional()
 }
 
-const visualSchema = {
+// Shared Microlink API query parameters (see microlink.io/docs/api/parameters).
+// Product tools layer their own fields on top; these apply to any URL fetch.
+// `data` is separate: content/collection helpers overwrite it with their field rule.
+const browserSchema = {
   adblock: booleanSchema.optional(),
   animations: booleanSchema.optional(),
+  cacheKey: z.string().min(1).optional(),
   click: stringOrStringArraySchema.optional(),
   colorScheme: z.enum(['no-preference', 'light', 'dark']).optional(),
-  data: objectLikeSchema(z.record(z.string(), dataRuleSchema)).optional(),
   device: z.string().min(1).optional(),
   filename: z.string().min(1).optional(),
   filter: z.string().min(1).optional(),
@@ -260,6 +264,11 @@ const visualSchema = {
     .optional()
 }
 
+const visualSchema = {
+  ...browserSchema,
+  data: objectLikeSchema(z.record(z.string(), dataRuleSchema)).optional()
+}
+
 export const extractInputSchema = baseSchema
   .extend(fullShape)
   .extend(visualSchema)
@@ -287,35 +296,40 @@ export const pdfInputSchema = baseSchema
   .strict()
 
 export const audioInputSchema = baseSchema
+  .extend(visualSchema)
   .extend({
-    proxy: proxySchema.optional(),
     meta: z.union([booleanSchema, metaConfigSchema]).optional(),
     audio: booleanSchema.optional()
   })
   .strict()
 
 export const videoInputSchema = baseSchema
+  .extend(visualSchema)
   .extend({
-    proxy: proxySchema.optional(),
     meta: z.union([booleanSchema, metaConfigSchema]).optional(),
     video: booleanSchema.optional()
   })
   .strict()
 
 export const logoInputSchema = baseSchema
+  .extend(visualSchema)
   .extend({
-    square: booleanSchema.optional()
+    square: booleanSchema.optional(),
+    palette: booleanSchema.optional()
   })
   .strict()
 
 export const metadataInputSchema = baseSchema
+  .extend(visualSchema)
   .extend({
-    meta: z.union([booleanSchema, metaConfigSchema]).optional()
+    meta: z.union([booleanSchema, metaConfigSchema]).optional(),
+    palette: booleanSchema.optional()
   })
   .strict()
 
 // Content tools (markdown/html/text) accept a selector to scope the extraction.
 const contentSchema = baseSchema
+  .extend(browserSchema)
   .extend({
     selector: selectorSchema.optional(),
     selectorAll: selectorSchema.optional(),
@@ -325,6 +339,7 @@ const contentSchema = baseSchema
 
 // Collection tools accept selector/attr/type overrides for the data rule.
 const collectionSchema = baseSchema
+  .extend(browserSchema)
   .extend({
     selector: selectorSchema.optional(),
     selectorAll: selectorSchema.optional(),
@@ -340,6 +355,7 @@ export const htmlInputSchema = contentSchema
 export const textInputSchema = contentSchema
 
 export const embedInputSchema = baseSchema
+  .extend(visualSchema)
   .extend({
     maxWidth: z.coerce.number().int().positive().optional(),
     maxHeight: z.coerce.number().int().positive().optional()
@@ -356,9 +372,10 @@ export const audiosInputSchema = collectionSchema
 
 export const emailsInputSchema = collectionSchema
 
-export const technologiesInputSchema = baseSchema.strict()
+export const technologiesInputSchema = baseSchema.extend(visualSchema).strict()
 
 export const lighthouseInputSchema = baseSchema
+  .extend(visualSchema)
   .extend({
     onlyCategories: z.array(z.string().min(1)).optional(),
     onlyAudits: z.array(z.string().min(1)).optional(),
@@ -392,6 +409,7 @@ export const searchInputSchema = z
   .strict()
 
 export const functionInputSchema = baseSchema
+  .extend(visualSchema)
   .extend({
     code: z.string().min(1)
   })
diff --git a/packages/mcp/src/tools/function.js b/packages/mcp/src/tools/function.js
index 1c457cc..ecbe53c 100644
--- a/packages/mcp/src/tools/function.js
+++ b/packages/mcp/src/tools/function.js
@@ -8,6 +8,7 @@ export function fn (server) {
     [
       'Run a JavaScript function against any public URL inside Microlink’s server-side browser sandbox.',
       'Pass `code` as the function source (e.g. "async ({ page }) => page.title()"); it receives `{ page, response, ...args }` and its return value comes back in `value`.',
+      'Combine with browser options such as `javascript`, `waitUntil`, `waitForSelector`, `click`, `scroll`, `headers`, and `proxy`.',
       'Also returns `isFulfilled`, `profiling`, and `logging`. Mirrors the `microlink.function(url, code)` library method.'
     ].join(' '),
     functionInputSchema,
diff --git a/packages/mcp/src/tools/html.js b/packages/mcp/src/tools/html.js
index c345252..55f1d8b 100644
--- a/packages/mcp/src/tools/html.js
+++ b/packages/mcp/src/tools/html.js
@@ -8,6 +8,7 @@ export function html (server) {
     [
       'Extract the HTML content of any public URL via Microlink.',
       'Returns the page HTML as a string. Pass `selector` to scope it to part of the page.',
+      'Combine with browser options such as `javascript`, `waitUntil`, `waitForSelector`, `headers`, and `proxy`.',
       'Mirrors the `microlink.html(url)` library method.'
     ].join(' '),
     htmlInputSchema,
diff --git a/packages/mcp/src/tools/markdown.js b/packages/mcp/src/tools/markdown.js
index 197ef06..fb0924a 100644
--- a/packages/mcp/src/tools/markdown.js
+++ b/packages/mcp/src/tools/markdown.js
@@ -8,6 +8,7 @@ export function markdown (server) {
     [
       'Convert any public URL to Markdown via Microlink.',
       'Returns the page content as a Markdown string. Pass `selector` to scope it to part of the page.',
+      'Combine with browser options such as `javascript`, `waitUntil`, `waitForSelector`, `headers`, and `proxy`.',
       'Mirrors the `microlink.markdown(url)` library method.'
     ].join(' '),
     markdownInputSchema,
diff --git a/packages/mcp/src/tools/text.js b/packages/mcp/src/tools/text.js
index 4551276..749f3ef 100644
--- a/packages/mcp/src/tools/text.js
+++ b/packages/mcp/src/tools/text.js
@@ -8,6 +8,7 @@ export function text (server) {
     [
       'Extract the plain text of any public URL via Microlink.',
       'Returns the readable page text as a string. Pass `selector` to scope it to part of the page.',
+      'Combine with browser options such as `javascript`, `waitUntil`, `waitForSelector`, `headers`, and `proxy`.',
       'Mirrors the `microlink.text(url)` library method.'
     ].join(' '),
     textInputSchema,
diff --git a/packages/mcp/test/schemas.test.js b/packages/mcp/test/schemas.test.js
index 53b0576..2d81415 100644
--- a/packages/mcp/test/schemas.test.js
+++ b/packages/mcp/test/schemas.test.js
@@ -4,6 +4,7 @@ import assert from 'node:assert/strict'
 import {
   audioInputSchema,
   extractInputSchema,
+  functionInputSchema,
   markdownInputSchema,
   metadataInputSchema,
   logoInputSchema,
@@ -66,6 +67,30 @@ test('screenshot schema accepts boolean toggle', () => {
   assert.equal(result.success, true)
 })
 
+test('screenshot schema accepts jpeg quality', () => {
+  const result = screenshotInputSchema.safeParse({
+    url: 'https://microlink.io',
+    screenshot: {
+      type: 'jpeg',
+      quality: 50
+    }
+  })
+
+  assert.equal(result.success, true)
+  assert.equal(result.data.screenshot.quality, 50)
+})
+
+test('screenshot schema rejects quality outside 0-100', () => {
+  const result = screenshotInputSchema.safeParse({
+    url: 'https://microlink.io',
+    screenshot: {
+      quality: 101
+    }
+  })
+
+  assert.equal(result.success, false)
+})
+
 test('screenshot schema coerces string booleans for toggle and nested options', () => {
   const result = screenshotInputSchema.safeParse({
     url: 'https://microlink.io',
@@ -479,6 +504,33 @@ test('markdown schema accepts optional apiKey', () => {
   assert.equal(result.success, true)
 })
 
+test('markdown schema accepts shared browser query parameters', () => {
+  const result = markdownInputSchema.safeParse({
+    url: 'https://microlink.io',
+    javascript: true,
+    waitUntil: 'networkidle0',
+    waitForSelector: 'main',
+    cacheKey: 'docs-markdown'
+  })
+
+  assert.equal(result.success, true)
+  assert.equal(result.data.waitUntil, 'networkidle0')
+  assert.equal(result.data.cacheKey, 'docs-markdown')
+})
+
+test('markdown schema rejects top-level data (content helpers overwrite it)', () => {
+  const result = markdownInputSchema.safeParse({
+    url: 'https://microlink.io',
+    data: { custom: { selector: 'h1' } }
+  })
+
+  assert.equal(result.success, false)
+  assert.match(
+    result.error.issues[0].message,
+    /Unrecognized key|unrecognized key/i
+  )
+})
+
 test('markdown schema rejects unknown top-level keys', () => {
   const result = markdownInputSchema.safeParse({
     url: 'https://microlink.io',
@@ -492,6 +544,30 @@ test('markdown schema rejects unknown top-level keys', () => {
   )
 })
 
+test('function schema accepts code with shared browser options', () => {
+  const result = functionInputSchema.safeParse({
+    url: 'https://microlink.io',
+    code: 'async ({ page }) => page.title()',
+    waitUntil: 'domcontentloaded',
+    click: '#accept'
+  })
+
+  assert.equal(result.success, true)
+  assert.equal(result.data.waitUntil, 'domcontentloaded')
+  assert.equal(result.data.click, '#accept')
+})
+
+test('metadata schema accepts palette and waitUntil', () => {
+  const result = metadataInputSchema.safeParse({
+    url: 'https://microlink.io',
+    palette: true,
+    waitUntil: 'load'
+  })
+
+  assert.equal(result.success, true)
+  assert.equal(result.data.palette, true)
+})
+
 test('text schema accepts minimal valid payload', () => {
   const result = textInputSchema.safeParse({
     url: 'https://microlink.io'
diff --git a/packages/mcp/test/tools.test.js b/packages/mcp/test/tools.test.js
index 8bcd57a..8f8eb47 100644
--- a/packages/mcp/test/tools.test.js
+++ b/packages/mcp/test/tools.test.js
@@ -104,6 +104,27 @@ test('microlink_markdown scopes to `selector` and returns a string', async t =>
   )
 })
 
+test('microlink_markdown forwards waitUntil and javascript', async t => {
+  const handlers = captureTool(markdown)
+  await withStubbedRequest(
+    t,
+    async getUrl => {
+      await handlers.microlink_markdown(
+        {
+          url: 'https://example.com',
+          javascript: true,
+          waitUntil: 'networkidle0'
+        },
+        {}
+      )
+      const q = getUrl().searchParams
+      assert.equal(q.get('javascript'), 'true')
+      assert.equal(q.get('waitUntil'), 'networkidle0')
+    },
+    { data: { markdown: '# Hello' } }
+  )
+})
+
 test('microlink_screenshot nests config (animated) and keeps device top-level', async t => {
   const handlers = captureTool(screenshot)
   await withStubbedRequest(
@@ -128,6 +149,27 @@ test('microlink_screenshot nests config (animated) and keeps device top-level',
   )
 })
 
+test('microlink_screenshot nests quality under screenshot', async t => {
+  const handlers = captureTool(screenshot)
+  await withStubbedRequest(
+    t,
+    async getUrl => {
+      await handlers.microlink_screenshot(
+        {
+          url: 'https://example.com',
+          screenshot: { type: 'jpeg', quality: 50 }
+        },
+        {}
+      )
+      const q = getUrl().searchParams
+      assert.equal(q.get('screenshot.type'), 'jpeg')
+      assert.equal(q.get('screenshot.quality'), '50')
+      assert.equal(q.get('quality'), null)
+    },
+    { data: { screenshot: { url: 'https://cdn/x.jpg', type: 'jpeg' } } }
+  )
+})
+
 test('microlink_pdf nests config', async t => {
   const handlers = captureTool(pdf)
   await withStubbedRequest(t, async getUrl => {