diff --git a/src/cli/browser.test.ts b/src/cli/browser.test.ts
index c0f518b8e..b1fddb8bb 100644
--- a/src/cli/browser.test.ts
+++ b/src/cli/browser.test.ts
@@ -1,3 +1,4 @@
+/* eslint-disable max-lines -- Why: this file groups every CLI browser-command test (page targeting, profiles, waits, viewport) so test-fixture imports and the runtime-client mock stay shared in one place. */
 import path from 'path'
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
 
@@ -128,6 +129,151 @@ describe('orca cli browser page targeting', () => {
   })
 })
 
+describe('orca cli browser tab profiles', () => {
+  beforeEach(() => {
+    callMock.mockReset()
+  })
+
+  afterEach(() => {
+    vi.restoreAllMocks()
+  })
+
+  it('lists browser tab profiles', async () => {
+    queueFixtures(
+      callMock,
+      okFixture('req_profiles', {
+        profiles: [
+          { id: 'default', scope: 'default', label: 'Default', partition: 'persist:orca-browser' },
+          {
+            id: 'work',
+            scope: 'isolated',
+            label: 'Work',
+            partition: 'persist:orca-browser-session-work'
+          }
+        ]
+      })
+    )
+    vi.spyOn(console, 'log').mockImplementation(() => {})
+
+    await main(['tab', 'profile', 'list', '--json'], '/tmp/not-an-orca-worktree')
+
+    expect(callMock).toHaveBeenCalledTimes(1)
+    expect(callMock).toHaveBeenCalledWith('browser.profileList')
+  })
+
+  it('reports an empty browser tab profile list with a friendly message', async () => {
+    queueFixtures(callMock, okFixture('req_profiles', { profiles: [] }))
+    const logSpy = vi.spyOn(console, 'log').mockImplementation(() => {})
+
+    await main(['tab', 'profile', 'list'], '/tmp/not-an-orca-worktree')
+
+    expect(callMock).toHaveBeenCalledTimes(1)
+    expect(callMock).toHaveBeenCalledWith('browser.profileList')
+    expect(logSpy).toHaveBeenCalledWith('No browser profiles found.')
+  })
+
+  it('creates isolated browser tab profiles by default', async () => {
+    queueFixtures(
+      callMock,
+      okFixture('req_profile_create', {
+        profile: {
+          id: 'work',
+          scope: 'isolated',
+          label: 'Work',
+          partition: 'persist:orca-browser-session-work'
+        }
+      })
+    )
+    vi.spyOn(console, 'log').mockImplementation(() => {})
+
+    await main(
+      ['tab', 'profile', 'create', '--label', 'Work', '--json'],
+      '/tmp/not-an-orca-worktree'
+    )
+
+    expect(callMock).toHaveBeenCalledTimes(1)
+    expect(callMock).toHaveBeenCalledWith('browser.profileCreate', {
+      label: 'Work',
+      scope: 'isolated'
+    })
+  })
+
+  it('forwards --scope imported through to the runtime', async () => {
+    queueFixtures(
+      callMock,
+      okFixture('req_profile_create', {
+        profile: {
+          id: 'imp',
+          scope: 'imported',
+          label: 'From Chrome',
+          partition: 'persist:orca-browser-session-imp'
+        }
+      })
+    )
+    vi.spyOn(console, 'log').mockImplementation(() => {})
+
+    await main(
+      ['tab', 'profile', 'create', '--label', 'From Chrome', '--scope', 'imported', '--json'],
+      '/tmp/not-an-orca-worktree'
+    )
+
+    expect(callMock).toHaveBeenCalledWith('browser.profileCreate', {
+      label: 'From Chrome',
+      scope: 'imported'
+    })
+  })
+
+  it('rejects unknown --scope values instead of silently defaulting to isolated', async () => {
+    const errorSpy = vi.spyOn(console, 'error').mockImplementation(() => {})
+
+    await main(
+      ['tab', 'profile', 'create', '--label', 'Work', '--scope', 'isloated'],
+      '/tmp/not-an-orca-worktree'
+    )
+
+    expect(callMock).not.toHaveBeenCalled()
+    expect(errorSpy).toHaveBeenCalledWith('--scope must be "isolated" or "imported"')
+  })
+
+  it('surfaces a runtime error if the registry refuses to create a profile', async () => {
+    queueFixtures(callMock, okFixture('req_profile_create', { profile: null }))
+    const errorSpy = vi.spyOn(console, 'error').mockImplementation(() => {})
+
+    await main(['tab', 'profile', 'create', '--label', 'Bogus'], '/tmp/not-an-orca-worktree')
+
+    expect(callMock).toHaveBeenCalledTimes(1)
+    expect(errorSpy).toHaveBeenCalledWith(
+      'Failed to create browser profile (label=Bogus, scope=isolated)'
+    )
+  })
+
+  it('deletes browser tab profiles by id', async () => {
+    queueFixtures(callMock, okFixture('req_profile_delete', { deleted: true, profileId: 'work' }))
+    vi.spyOn(console, 'log').mockImplementation(() => {})
+
+    await main(
+      ['tab', 'profile', 'delete', '--profile', 'work', '--json'],
+      '/tmp/not-an-orca-worktree'
+    )
+
+    expect(callMock).toHaveBeenCalledTimes(1)
+    expect(callMock).toHaveBeenCalledWith('browser.profileDelete', { profileId: 'work' })
+  })
+
+  it('reports a not-deleted profile in text mode without throwing', async () => {
+    queueFixtures(
+      callMock,
+      okFixture('req_profile_delete', { deleted: false, profileId: 'default' })
+    )
+    const logSpy = vi.spyOn(console, 'log').mockImplementation(() => {})
+
+    await main(['tab', 'profile', 'delete', '--profile', 'default'], '/tmp/not-an-orca-worktree')
+
+    expect(callMock).toHaveBeenCalledWith('browser.profileDelete', { profileId: 'default' })
+    expect(logSpy).toHaveBeenCalledWith('Profile default was not deleted')
+  })
+})
+
 describe('orca cli browser waits and viewport flags', () => {
   beforeEach(() => {
     callMock.mockReset()
diff --git a/src/cli/dispatch.ts b/src/cli/dispatch.ts
index 5b245c992..6dd41e3a5 100644
--- a/src/cli/dispatch.ts
+++ b/src/cli/dispatch.ts
@@ -7,6 +7,7 @@ import { TERMINAL_HANDLERS } from './handlers/terminal'
 import { BROWSER_NAV_HANDLERS } from './handlers/browser-nav'
 import { BROWSER_INTERACT_HANDLERS } from './handlers/browser-interact'
 import { BROWSER_TAB_HANDLERS } from './handlers/browser-tab'
+import { BROWSER_PROFILE_HANDLERS } from './handlers/browser-profile'
 import { BROWSER_COOKIE_HANDLERS } from './handlers/browser-cookie'
 import { BROWSER_CAPTURE_HANDLERS } from './handlers/browser-capture'
 import { BROWSER_ENV_HANDLERS } from './handlers/browser-env'
@@ -32,6 +33,7 @@ function buildHandlers(): Map<string, CommandHandler> {
     BROWSER_NAV_HANDLERS,
     BROWSER_INTERACT_HANDLERS,
     BROWSER_TAB_HANDLERS,
+    BROWSER_PROFILE_HANDLERS,
     BROWSER_COOKIE_HANDLERS,
     BROWSER_CAPTURE_HANDLERS,
     BROWSER_ENV_HANDLERS,
diff --git a/src/cli/format.ts b/src/cli/format.ts
index b1d1ac432..aacad3fbc 100644
--- a/src/cli/format.ts
+++ b/src/cli/format.ts
@@ -1,4 +1,5 @@
 import type {
+  BrowserProfileListResult,
   BrowserScreenshotResult,
   BrowserSnapshotResult,
   BrowserTabListResult,
@@ -247,3 +248,16 @@ export function formatTabList(result: BrowserTabListResult): string {
     })
     .join('\n')
 }
+
+export function formatBrowserProfileList(result: BrowserProfileListResult): string {
+  if (result.profiles.length === 0) {
+    return 'No browser profiles found.'
+  }
+  return result.profiles
+    .map((profile) => {
+      const marker = profile.scope === 'default' ? '* ' : '  '
+      const source = profile.source?.browserFamily ?? 'none'
+      return `${marker}${profile.id}  ${profile.label}  ${profile.scope}  source:${source}`
+    })
+    .join('\n')
+}
diff --git a/src/cli/handlers/browser-profile.ts b/src/cli/handlers/browser-profile.ts
new file mode 100644
index 000000000..0e4eefac2
--- /dev/null
+++ b/src/cli/handlers/browser-profile.ts
@@ -0,0 +1,61 @@
+import type {
+  BrowserProfileCreateResult,
+  BrowserProfileDeleteResult,
+  BrowserProfileListResult
+} from '../../shared/runtime-types'
+import type { CommandHandler } from '../dispatch'
+import { getOptionalStringFlag, getRequiredStringFlag } from '../flags'
+import { formatBrowserProfileList, printResult } from '../format'
+import { RuntimeClientError } from '../runtime-client'
+
+function parseScopeFlag(flags: Map<string, string | boolean>): 'isolated' | 'imported' {
+  const raw = getOptionalStringFlag(flags, 'scope')
+  if (raw === undefined || raw === 'isolated') {
+    return 'isolated'
+  }
+  if (raw === 'imported') {
+    return 'imported'
+  }
+  throw new RuntimeClientError('invalid_argument', '--scope must be "isolated" or "imported"')
+}
+
+export const BROWSER_PROFILE_HANDLERS: Record<string, CommandHandler> = {
+  'tab profile list': async ({ client, json }) => {
+    const result = await client.call<BrowserProfileListResult>('browser.profileList')
+    printResult(result, json, formatBrowserProfileList)
+  },
+  'tab profile create': async ({ flags, client, json }) => {
+    const label = getRequiredStringFlag(flags, 'label')
+    const scope = parseScopeFlag(flags)
+    const result = await client.call<BrowserProfileCreateResult>('browser.profileCreate', {
+      label,
+      scope
+    })
+    if (result.result.profile === null) {
+      // Why: registry refuses non-isolated/imported scopes; we already validated
+      // the scope client-side, so a null here means a server-side rejection we
+      // shouldn't silently report as success.
+      throw new RuntimeClientError(
+        'runtime_error',
+        `Failed to create browser profile (label=${label}, scope=${scope})`
+      )
+    }
+    printResult(
+      result,
+      json,
+      (value) =>
+        `Created profile ${value.profile?.id ?? 'unknown'} (${value.profile?.label ?? label})`
+    )
+  },
+  'tab profile delete': async ({ flags, client, json }) => {
+    const profileId = getRequiredStringFlag(flags, 'profile')
+    const result = await client.call<BrowserProfileDeleteResult>('browser.profileDelete', {
+      profileId
+    })
+    printResult(result, json, (value) =>
+      value.deleted
+        ? `Deleted profile ${value.profileId}`
+        : `Profile ${value.profileId} was not deleted`
+    )
+  }
+}
diff --git a/src/cli/help.ts b/src/cli/help.ts
index 2e8f6ddb9..2ad77f9db 100644
--- a/src/cli/help.ts
+++ b/src/cli/help.ts
@@ -59,6 +59,9 @@ Orchestration:
 Browser Automation:
   tab create                Create a new browser tab (navigates to --url)
   tab list                  List open browser tabs
+  tab profile list          List browser session profiles
+  tab profile create        Create a browser session profile
+  tab profile delete        Delete a browser session profile
   tab switch                Switch the active browser tab by --index or --page
   tab close                 Close a browser tab by --index/--page or the current tab
   snapshot                  Accessibility snapshot with element refs (e.g. @e1, @e2)
@@ -183,6 +186,7 @@ Browser Options:
   --amount <pixels>         Scroll distance in pixels (default: viewport height)
   --index <n>               Tab index (from \`tab list\`)
   --page <id>               Stable browser page id (preferred for concurrent workflows)
+  --profile <id>            Browser profile id (see \`orca tab profile list\`)
   --format <png|jpeg>       Screenshot image format
   --from <ref>              Drag source element ref
   --to <ref>                Drag target element ref
@@ -202,6 +206,8 @@ Examples:
   $ orca terminal list --worktree path:/Users/me/orca/workspaces/orca/cli-test-1 --json
   $ orca terminal send --terminal term_123 --text "hi" --enter
   $ orca terminal wait --terminal term_123 --for exit --timeout-ms 60000 --json
+  $ orca tab profile list
+  $ orca tab profile create --label Work
   $ orca tab create --url https://example.com
   $ orca snapshot
   $ orca click --element e3
@@ -306,6 +312,7 @@ export function formatFlagHelp(flag: string): string {
     amount: '--amount <pixels>      Scroll distance in pixels',
     index: '--index <n>            Tab index to switch to',
     page: '--page <id>            Stable browser page id from `orca tab list --json`',
+    profile: '--profile <id>        Browser profile id',
     format: '--format <png|jpeg>    Screenshot image format'
   }
 
diff --git a/src/cli/specs/browser-basic.ts b/src/cli/specs/browser-basic.ts
index 8a1e02893..9466a18fc 100644
--- a/src/cli/specs/browser-basic.ts
+++ b/src/cli/specs/browser-basic.ts
@@ -169,6 +169,24 @@ export const BROWSER_BASIC_COMMAND_SPECS: CommandSpec[] = [
     usage: 'orca tab create [--url <url>] [--worktree <selector>] [--json]',
     allowedFlags: [...GLOBAL_FLAGS, 'url', 'worktree']
   },
+  {
+    path: ['tab', 'profile', 'list'],
+    summary: 'List browser session profiles available to browser tabs',
+    usage: 'orca tab profile list [--json]',
+    allowedFlags: [...GLOBAL_FLAGS]
+  },
+  {
+    path: ['tab', 'profile', 'create'],
+    summary: 'Create a browser session profile for browser tabs',
+    usage: 'orca tab profile create --label <name> [--scope <isolated|imported>] [--json]',
+    allowedFlags: [...GLOBAL_FLAGS, 'label', 'scope']
+  },
+  {
+    path: ['tab', 'profile', 'delete'],
+    summary: 'Delete a browser session profile used by browser tabs',
+    usage: 'orca tab profile delete --profile <id> [--json]',
+    allowedFlags: [...GLOBAL_FLAGS, 'profile']
+  },
   {
     path: ['tab', 'close'],
     summary: 'Close a browser tab',
diff --git a/src/main/runtime/orca-runtime.ts b/src/main/runtime/orca-runtime.ts
index be4210e28..af0f05b99 100644
--- a/src/main/runtime/orca-runtime.ts
+++ b/src/main/runtime/orca-runtime.ts
@@ -57,6 +57,9 @@ import type {
   BrowserEvalResult,
   BrowserTabListResult,
   BrowserTabSwitchResult,
+  BrowserProfileCreateResult,
+  BrowserProfileDeleteResult,
+  BrowserProfileListResult,
   BrowserHoverResult,
   BrowserDragResult,
   BrowserUploadResult,
@@ -82,6 +85,7 @@ import type {
 import { BrowserWindow, ipcMain } from 'electron'
 import type { AgentBrowserBridge } from '../browser/agent-browser-bridge'
 import { BrowserError } from '../browser/cdp-bridge'
+import { browserSessionRegistry } from '../browser/browser-session-registry'
 import { waitForTabRegistration } from '../ipc/browser'
 import { getPRForBranch } from '../github/client'
 import {
@@ -4484,6 +4488,26 @@ export class OrcaRuntimeService {
     return { browserPageId }
   }
 
+  async browserProfileList(): Promise<BrowserProfileListResult> {
+    return { profiles: browserSessionRegistry.listProfiles() }
+  }
+
+  async browserProfileCreate(params: {
+    label: string
+    scope: 'isolated' | 'imported'
+  }): Promise<BrowserProfileCreateResult> {
+    return {
+      profile: browserSessionRegistry.createProfile(params.scope, params.label)
+    }
+  }
+
+  async browserProfileDelete(params: { profileId: string }): Promise<BrowserProfileDeleteResult> {
+    return {
+      deleted: await browserSessionRegistry.deleteProfile(params.profileId),
+      profileId: params.profileId
+    }
+  }
+
   async browserTabClose(params: {
     index?: number
     page?: string
diff --git a/src/main/runtime/rpc/methods/browser-core.ts b/src/main/runtime/rpc/methods/browser-core.ts
index 5d2721373..f68ea7971 100644
--- a/src/main/runtime/rpc/methods/browser-core.ts
+++ b/src/main/runtime/rpc/methods/browser-core.ts
@@ -16,6 +16,8 @@ import {
   KeyboardInsert,
   Keypress,
   LimitParam,
+  ProfileCreate,
+  ProfileDelete,
   Screenshot,
   Scroll,
   Select,
@@ -105,6 +107,21 @@ export const BROWSER_CORE_METHODS: RpcMethod[] = [
     params: TabClose,
     handler: async (params, { runtime }) => runtime.browserTabClose(params)
   }),
+  defineMethod({
+    name: 'browser.profileList',
+    params: null,
+    handler: async (_params, { runtime }) => runtime.browserProfileList()
+  }),
+  defineMethod({
+    name: 'browser.profileCreate',
+    params: ProfileCreate,
+    handler: async (params, { runtime }) => runtime.browserProfileCreate(params)
+  }),
+  defineMethod({
+    name: 'browser.profileDelete',
+    params: ProfileDelete,
+    handler: async (params, { runtime }) => runtime.browserProfileDelete(params)
+  }),
   defineMethod({
     name: 'browser.hover',
     params: Element,
diff --git a/src/main/runtime/rpc/methods/browser-schemas.ts b/src/main/runtime/rpc/methods/browser-schemas.ts
index 3a8e3cf0a..42693a19d 100644
--- a/src/main/runtime/rpc/methods/browser-schemas.ts
+++ b/src/main/runtime/rpc/methods/browser-schemas.ts
@@ -153,6 +153,23 @@ export const Exec = BrowserTarget.extend({
   command: requiredString('Missing required --command')
 })
 
+export const ProfileCreate = z.object({
+  label: requiredString('Missing required --label'),
+  scope: z
+    .unknown()
+    .transform((value) => {
+      if (value === 'imported') {
+        return 'imported'
+      }
+      return 'isolated'
+    })
+    .pipe(z.enum(['isolated', 'imported']))
+})
+
+export const ProfileDelete = z.object({
+  profileId: requiredString('Missing required --profile')
+})
+
 export const Get = BrowserTarget.extend({
   what: requiredString('Missing required --what'),
   selector: OptionalString
diff --git a/src/shared/runtime-types.ts b/src/shared/runtime-types.ts
index 95c6cf54f..9d222b78b 100644
--- a/src/shared/runtime-types.ts
+++ b/src/shared/runtime-types.ts
@@ -1,6 +1,6 @@
 /* eslint-disable max-lines -- Why: shared type definitions for all runtime RPC methods live in one file for discoverability and import simplicity. */
 import type { TerminalPaneLayoutNode } from './types'
-import type { GitWorktreeInfo, Repo } from './types'
+import type { BrowserSessionProfile, GitWorktreeInfo, Repo } from './types'
 
 export type RuntimeGraphStatus = 'ready' | 'reloading' | 'unavailable'
 
@@ -270,6 +270,19 @@ export type BrowserTabSwitchResult = {
   browserPageId: string
 }
 
+export type BrowserProfileListResult = {
+  profiles: BrowserSessionProfile[]
+}
+
+export type BrowserProfileCreateResult = {
+  profile: BrowserSessionProfile | null
+}
+
+export type BrowserProfileDeleteResult = {
+  deleted: boolean
+  profileId: string
+}
+
 export type BrowserHoverResult = {
   hovered: string
 }