diff --git a/web/app/components/docs-nav-items.ts b/web/app/components/docs-nav-items.ts
index e182b9eb..6fdcf31e 100644
--- a/web/app/components/docs-nav-items.ts
+++ b/web/app/components/docs-nav-items.ts
@@ -4,6 +4,7 @@ export const navItems = [
   { title: "Configuration", href: "/docs/configuration" },
   { title: "Keyboard Shortcuts", href: "/docs/keyboard-shortcuts" },
   { title: "API Reference", href: "/docs/api" },
+  { title: "Browser Automation", href: "/docs/browser-automation" },
   { title: "Notifications", href: "/docs/notifications" },
   { title: "Changelog", href: "/docs/changelog" },
 ];
diff --git a/web/app/docs/browser-automation/page.tsx b/web/app/docs/browser-automation/page.tsx
new file mode 100644
index 00000000..16d12b1b
--- /dev/null
+++ b/web/app/docs/browser-automation/page.tsx
@@ -0,0 +1,286 @@
+import type { Metadata } from "next";
+import { CodeBlock } from "../../components/code-block";
+import { Callout } from "../../components/callout";
+
+export const metadata: Metadata = {
+  title: "Browser Automation",
+  description:
+    "cmux browser command reference for navigation, DOM interaction, waiting, inspection, JavaScript evaluation, tabs, dialogs, frames, downloads, and browser state.",
+};
+
+export default function BrowserAutomationPage() {
+  return (
+    <>
+      <h1>Browser Automation</h1>
+      <p>
+        The <code>cmux browser</code> command group provides browser automation
+        against cmux browser surfaces. Use it to navigate, interact with DOM
+        elements, inspect page state, evaluate JavaScript, and manage browser
+        session data.
+      </p>
+
+      <h2>Command Index</h2>
+      <table>
+        <thead>
+          <tr>
+            <th>Category</th>
+            <th>Subcommands</th>
+          </tr>
+        </thead>
+        <tbody>
+          <tr>
+            <td>Navigation and targeting</td>
+            <td>
+              <code>identify</code>, <code>open</code>, <code>open-split</code>,{" "}
+              <code>navigate</code>, <code>back</code>, <code>forward</code>,{" "}
+              <code>reload</code>, <code>url</code>, <code>focus-webview</code>,{" "}
+              <code>is-webview-focused</code>
+            </td>
+          </tr>
+          <tr>
+            <td>Waiting</td>
+            <td>
+              <code>wait</code>
+            </td>
+          </tr>
+          <tr>
+            <td>DOM interaction</td>
+            <td>
+              <code>click</code>, <code>dblclick</code>, <code>hover</code>,{" "}
+              <code>focus</code>, <code>check</code>, <code>uncheck</code>,{" "}
+              <code>scroll-into-view</code>, <code>type</code>, <code>fill</code>,{" "}
+              <code>press</code>, <code>keydown</code>, <code>keyup</code>,{" "}
+              <code>select</code>, <code>scroll</code>
+            </td>
+          </tr>
+          <tr>
+            <td>Inspection</td>
+            <td>
+              <code>snapshot</code>, <code>screenshot</code>, <code>get</code>,{" "}
+              <code>is</code>, <code>find</code>, <code>highlight</code>
+            </td>
+          </tr>
+          <tr>
+            <td>JavaScript and injection</td>
+            <td>
+              <code>eval</code>, <code>addinitscript</code>, <code>addscript</code>,{" "}
+              <code>addstyle</code>
+            </td>
+          </tr>
+          <tr>
+            <td>Frames, dialogs, downloads</td>
+            <td>
+              <code>frame</code>, <code>dialog</code>, <code>download</code>
+            </td>
+          </tr>
+          <tr>
+            <td>State and session data</td>
+            <td>
+              <code>cookies</code>, <code>storage</code>, <code>state</code>
+            </td>
+          </tr>
+          <tr>
+            <td>Tabs and logs</td>
+            <td>
+              <code>tab</code>, <code>console</code>, <code>errors</code>
+            </td>
+          </tr>
+        </tbody>
+      </table>
+
+      <h2>Targeting a browser surface</h2>
+      <p>
+        Most subcommands require a target surface. You can pass it positionally
+        or with <code>--surface</code>.
+      </p>
+      <CodeBlock lang="bash">{`# Open a new browser split
+cmux browser open https://example.com
+
+# Discover focused IDs and browser metadata
+cmux browser identify
+cmux browser identify --surface surface:2
+
+# Positional vs flag targeting are equivalent
+cmux browser surface:2 url
+cmux browser --surface surface:2 url`}</CodeBlock>
+
+      <h2>Navigation</h2>
+      <CodeBlock lang="bash">{`cmux browser open https://example.com
+cmux browser open-split https://news.ycombinator.com
+
+cmux browser surface:2 navigate https://example.org/docs --snapshot-after
+cmux browser surface:2 back
+cmux browser surface:2 forward
+cmux browser surface:2 reload --snapshot-after
+cmux browser surface:2 url
+
+cmux browser surface:2 focus-webview
+cmux browser surface:2 is-webview-focused`}</CodeBlock>
+
+      <h2>Waiting</h2>
+      <p>
+        Use <code>wait</code> to block until selectors, text, URL fragments,
+        load state, or a JavaScript condition is satisfied.
+      </p>
+      <CodeBlock lang="bash">{`cmux browser surface:2 wait --load-state complete --timeout-ms 15000
+cmux browser surface:2 wait --selector "#checkout" --timeout-ms 10000
+cmux browser surface:2 wait --text "Order confirmed"
+cmux browser surface:2 wait --url-contains "/dashboard"
+cmux browser surface:2 wait --function "window.__appReady === true"`}</CodeBlock>
+
+      <h2>DOM Interaction</h2>
+      <p>
+        Mutating actions support <code>--snapshot-after</code> for fast
+        verification in scripts.
+      </p>
+      <CodeBlock lang="bash">{`cmux browser surface:2 click "button[type='submit']" --snapshot-after
+cmux browser surface:2 dblclick ".item-row"
+cmux browser surface:2 hover "#menu"
+cmux browser surface:2 focus "#email"
+cmux browser surface:2 check "#terms"
+cmux browser surface:2 uncheck "#newsletter"
+cmux browser surface:2 scroll-into-view "#pricing"
+
+cmux browser surface:2 type "#search" "cmux"
+cmux browser surface:2 fill "#email" --text "ops@example.com"
+cmux browser surface:2 fill "#email" --text ""
+cmux browser surface:2 press Enter
+cmux browser surface:2 keydown Shift
+cmux browser surface:2 keyup Shift
+cmux browser surface:2 select "#region" "us-east"
+cmux browser surface:2 scroll --dy 800 --snapshot-after
+cmux browser surface:2 scroll --selector "#log-view" --dx 0 --dy 400`}</CodeBlock>
+
+      <h2>Inspection</h2>
+      <p>
+        Use structured getters for scripts and snapshots/screenshots for human
+        review.
+      </p>
+      <CodeBlock lang="bash">{`cmux browser surface:2 snapshot --interactive --compact
+cmux browser surface:2 snapshot --selector "main" --max-depth 5
+cmux browser surface:2 screenshot --out /tmp/cmux-page.png
+
+cmux browser surface:2 get title
+cmux browser surface:2 get url
+cmux browser surface:2 get text "h1"
+cmux browser surface:2 get html "main"
+cmux browser surface:2 get value "#email"
+cmux browser surface:2 get attr "a.primary" --attr href
+cmux browser surface:2 get count ".row"
+cmux browser surface:2 get box "#checkout"
+cmux browser surface:2 get styles "#total" --property color
+
+cmux browser surface:2 is visible "#checkout"
+cmux browser surface:2 is enabled "button[type='submit']"
+cmux browser surface:2 is checked "#terms"
+
+cmux browser surface:2 find role button --name "Continue"
+cmux browser surface:2 find text "Order confirmed"
+cmux browser surface:2 find label "Email"
+cmux browser surface:2 find placeholder "Search"
+cmux browser surface:2 find alt "Product image"
+cmux browser surface:2 find title "Open settings"
+cmux browser surface:2 find testid "save-btn"
+cmux browser surface:2 find first ".row"
+cmux browser surface:2 find last ".row"
+cmux browser surface:2 find nth 2 ".row"
+
+cmux browser surface:2 highlight "#checkout"`}</CodeBlock>
+
+      <h2>JavaScript Eval and Injection</h2>
+      <CodeBlock lang="bash">{`cmux browser surface:2 eval "document.title"
+cmux browser surface:2 eval --script "window.location.href"
+
+cmux browser surface:2 addinitscript "window.__cmuxReady = true;"
+cmux browser surface:2 addscript "document.querySelector('#name')?.focus()"
+cmux browser surface:2 addstyle "#debug-banner { display: none !important; }"`}</CodeBlock>
+
+      <h2>State</h2>
+      <p>
+        Session data commands cover cookies, local/session storage, and full
+        browser state snapshots.
+      </p>
+      <CodeBlock lang="bash">{`cmux browser surface:2 cookies get
+cmux browser surface:2 cookies get --name session_id
+cmux browser surface:2 cookies set session_id abc123 --domain example.com --path /
+cmux browser surface:2 cookies clear --name session_id
+cmux browser surface:2 cookies clear --all
+
+cmux browser surface:2 storage local set theme dark
+cmux browser surface:2 storage local get theme
+cmux browser surface:2 storage local clear
+cmux browser surface:2 storage session set flow onboarding
+cmux browser surface:2 storage session get flow
+
+cmux browser surface:2 state save /tmp/cmux-browser-state.json
+cmux browser surface:2 state load /tmp/cmux-browser-state.json`}</CodeBlock>
+
+      <h2>Tabs</h2>
+      <p>
+        Browser tab operations map to browser surfaces in the active browser tab
+        group.
+      </p>
+      <CodeBlock lang="bash">{`cmux browser surface:2 tab list
+cmux browser surface:2 tab new https://example.com/pricing
+
+# Switch by index or by target surface
+cmux browser surface:2 tab switch 1
+cmux browser surface:2 tab switch surface:7
+
+# Close current tab or a specific target
+cmux browser surface:2 tab close
+cmux browser surface:2 tab close surface:7`}</CodeBlock>
+
+      <h2>Console and Errors</h2>
+      <CodeBlock lang="bash">{`cmux browser surface:2 console list
+cmux browser surface:2 console clear
+
+cmux browser surface:2 errors list
+cmux browser surface:2 errors clear`}</CodeBlock>
+
+      <h2>Dialogs</h2>
+      <CodeBlock lang="bash">{`cmux browser surface:2 dialog accept
+cmux browser surface:2 dialog accept "Confirmed by automation"
+cmux browser surface:2 dialog dismiss`}</CodeBlock>
+
+      <h2>Frames</h2>
+      <CodeBlock lang="bash">{`# Enter an iframe context
+cmux browser surface:2 frame "iframe[name='checkout']"
+cmux browser surface:2 click "#pay-now"
+
+# Return to the top-level document
+cmux browser surface:2 frame main`}</CodeBlock>
+
+      <h2>Downloads</h2>
+      <CodeBlock lang="bash">{`cmux browser surface:2 click "a#download-report"
+cmux browser surface:2 download --path /tmp/report.csv --timeout-ms 30000`}</CodeBlock>
+
+      <h2>Common Patterns</h2>
+
+      <h3>Navigate, wait, inspect</h3>
+      <CodeBlock lang="bash">{`cmux browser open https://example.com/login
+cmux browser surface:2 wait --load-state complete --timeout-ms 15000
+cmux browser surface:2 snapshot --interactive --compact
+cmux browser surface:2 get title`}</CodeBlock>
+
+      <h3>Fill a form and verify success text</h3>
+      <CodeBlock lang="bash">{`cmux browser surface:2 fill "#email" --text "ops@example.com"
+cmux browser surface:2 fill "#password" --text "$PASSWORD"
+cmux browser surface:2 click "button[type='submit']" --snapshot-after
+cmux browser surface:2 wait --text "Welcome"
+cmux browser surface:2 is visible "#dashboard"`}</CodeBlock>
+
+      <h3>Capture debug artifacts on failure</h3>
+      <CodeBlock lang="bash">{`cmux browser surface:2 console list
+cmux browser surface:2 errors list
+cmux browser surface:2 screenshot --out /tmp/cmux-failure.png
+cmux browser surface:2 snapshot --interactive --compact`}</CodeBlock>
+
+      <h3>Persist and restore browser session</h3>
+      <CodeBlock lang="bash">{`cmux browser surface:2 state save /tmp/session.json
+# ...later...
+cmux browser surface:2 state load /tmp/session.json
+cmux browser surface:2 reload`}</CodeBlock>
+    </>
+  );
+}