diff --git a/src/main/codex-cli/codex-read-only-app-server-args.ts b/src/main/codex-cli/codex-read-only-app-server-args.ts
index 88d289c8512..346e9051dec 100644
--- a/src/main/codex-cli/codex-read-only-app-server-args.ts
+++ b/src/main/codex-cli/codex-read-only-app-server-args.ts
@@ -1,10 +1,19 @@
 // The config override replaces legacy values before Codex validates config.toml.
+export const CODEX_DISABLE_PLUGINS_ARGS = ['-c', 'features.plugins=false'] as const
+const CODEX_READ_ONLY_APP_SERVER_TAIL = ['-s', 'read-only', '-a', 'never', 'app-server'] as const
+
 export const CODEX_READ_ONLY_APP_SERVER_ARGS = [
   '-c',
   'approval_policy=never',
-  '-s',
-  'read-only',
-  '-a',
-  'never',
-  'app-server'
+  ...CODEX_READ_ONLY_APP_SERVER_TAIL
+] as const
+
+// Rate-limit probes are short-lived; plugin startup can launch marketplace
+// clones that outlive the probe teardown. Other read-only app-servers retain
+// normal plugin behavior.
+export const CODEX_RATE_LIMIT_APP_SERVER_ARGS = [
+  '-c',
+  'approval_policy=never',
+  ...CODEX_DISABLE_PLUGINS_ARGS,
+  ...CODEX_READ_ONLY_APP_SERVER_TAIL
 ] as const
diff --git a/src/main/rate-limits/codex-fetcher-process-contract.test.ts b/src/main/rate-limits/codex-fetcher-process-contract.test.ts
index 51b0d82b73b..8d067a686ad 100644
--- a/src/main/rate-limits/codex-fetcher-process-contract.test.ts
+++ b/src/main/rate-limits/codex-fetcher-process-contract.test.ts
@@ -41,6 +41,8 @@ const STUB_CODEX_SOURCE = `
 const expectedArgs = [
   '-c',
   'approval_policy=never',
+  '-c',
+  'features.plugins=false',
   '-s',
   'read-only',
   '-a',
diff --git a/src/main/rate-limits/codex-fetcher.test.ts b/src/main/rate-limits/codex-fetcher.test.ts
index 367d2504fb8..e3f9568767a 100644
--- a/src/main/rate-limits/codex-fetcher.test.ts
+++ b/src/main/rate-limits/codex-fetcher.test.ts
@@ -52,7 +52,7 @@ import { fetchCodexRateLimits } from './codex-fetcher'
 import { probeCodexAuthPresence } from './codex-auth-presence'
 import { getActiveHiddenRateLimitPtyCount } from './hidden-pty-cleanup'
 import { getCmdExePath } from '../win32-utils'
-import { CODEX_READ_ONLY_APP_SERVER_ARGS } from '../codex-cli/codex-read-only-app-server-args'
+import { CODEX_RATE_LIMIT_APP_SERVER_ARGS } from '../codex-cli/codex-read-only-app-server-args'
 
 function makeDisposable() {
   return { dispose: vi.fn() }
@@ -724,7 +724,7 @@ describe('fetchCodexRateLimits', () => {
         "export CODEX_HOME='\\''/home/alice/.local/share/orca/account/home'\\''"
       )
       expect(shellCommand).toContain(
-        "exec codex '\\''-c'\\'' '\\''approval_policy=never'\\'' '\\''-s'\\'' '\\''read-only'\\'' '\\''-a'\\'' '\\''never'\\'' '\\''app-server'\\'' <&3 >&4 3<&- 4>&-"
+        "exec codex '\\''-c'\\'' '\\''approval_policy=never'\\'' '\\''-c'\\'' '\\''features.plugins=false'\\'' '\\''-s'\\'' '\\''read-only'\\'' '\\''-a'\\'' '\\''never'\\'' '\\''app-server'\\'' <&3 >&4 3<&- 4>&-"
       )
       expect(shellCommand.match(/<&3 >&4 3<&- 4>&-/g)).toHaveLength(3)
       expect(shellCommand.match(/exec codex [^\n]+<&3 >&4 3<&- 4>&-/g)).toHaveLength(3)
@@ -788,7 +788,7 @@ describe('fetchCodexRateLimits', () => {
 
       const [spawnFile, spawnArgs, spawnOptions] = childSpawnMock.mock.calls[0]
       expect(spawnFile).toBe(getCmdExePath())
-      expect(spawnArgs).toEqual(['/d', '/c', codexCommand, ...CODEX_READ_ONLY_APP_SERVER_ARGS])
+      expect(spawnArgs).toEqual(['/d', '/c', codexCommand, ...CODEX_RATE_LIMIT_APP_SERVER_ARGS])
       expect(spawnOptions).toEqual(
         expect.objectContaining({
           env: expect.objectContaining({ CODEX_HOME: 'C:\\Users\\alice\\.codex' })
@@ -848,6 +848,7 @@ describe('fetchCodexRateLimits', () => {
         "export CODEX_HOME='\\''/home/alice/.local/share/orca/account/home'\\''"
       )
       expect(shellCommand).toContain('exec codex ')
+      expect(shellCommand).toContain('features.plugins=false')
       expect(shellCommand).not.toContain('_orca_codex')
       expect(shellCommand).not.toContain('wsl-codex-path')
       expect(spawnOptions).toEqual(
diff --git a/src/main/rate-limits/codex-fetcher.ts b/src/main/rate-limits/codex-fetcher.ts
index da2904d524e..311843f241c 100644
--- a/src/main/rate-limits/codex-fetcher.ts
+++ b/src/main/rate-limits/codex-fetcher.ts
@@ -3,7 +3,10 @@ import { spawn } from 'node:child_process'
 import { isCodexAuthError } from '../../shared/codex-auth-errors'
 import { buildWslExecArgs, buildWslLoginShellCommand } from '../../shared/wsl-login-shell-command'
 import { parseWslUncPath } from '../../shared/wsl-paths'
-import { CODEX_READ_ONLY_APP_SERVER_ARGS } from '../codex-cli/codex-read-only-app-server-args'
+import {
+  CODEX_DISABLE_PLUGINS_ARGS,
+  CODEX_RATE_LIMIT_APP_SERVER_ARGS
+} from '../codex-cli/codex-read-only-app-server-args'
 import { resolveCodexCommand } from '../codex-cli/command'
 // Why: import from the shared module, not the codex-cli re-export, so a test that
 // mocks '../codex-cli/command' does not have to restate this pure helper.
@@ -44,6 +47,11 @@ const WSL_RPC_TIMEOUT_MS = 25_000
 const RPC_INIT_TIMEOUT_MS = 30_000
 const WSL_RPC_INIT_TIMEOUT_MS = 40_000
 
+// Keep the PTY fallback aligned with the RPC probe: rate-limit collection does
+// not need marketplace/plugin startup, and those background clones can outlive
+// the short-lived probe process.
+const CODEX_RATE_LIMIT_PLUGIN_ARGS = CODEX_DISABLE_PLUGINS_ARGS
+
 export type FetchCodexRateLimitsOptions = CodexRateLimitFetchOptions
 
 function buildWslCodexCommand(
@@ -96,7 +104,7 @@ async function fetchViaRpc(options?: CodexRateLimitFetchOptions): Promise<Provid
   if (options?.signal?.aborted) {
     return abortedCodexRateLimitResult()
   }
-  const codexArgs = [...CODEX_READ_ONLY_APP_SERVER_ARGS]
+  const codexArgs = [...CODEX_RATE_LIMIT_APP_SERVER_ARGS]
   const wslCodex = options?.codexHomePath
     ? buildWslCodexCommand(options.codexHomePath, codexArgs, true)
     : null
@@ -126,13 +134,17 @@ async function fetchViaRpc(options?: CodexRateLimitFetchOptions): Promise<Provid
 
 function resolvePtyCommand(options?: CodexRateLimitFetchOptions) {
   const wslCodex = options?.codexHomePath
-    ? buildWslCodexCommand(options.codexHomePath, [], false)
+    ? buildWslCodexCommand(options.codexHomePath, [...CODEX_RATE_LIMIT_PLUGIN_ARGS], false)
     : null
   const codexCommand = wslCodex ? 'codex' : resolveCodexCommand()
   const isWin32 = process.platform === 'win32'
   return {
     command: wslCodex ? wslCodex.command : isWin32 ? getCmdExePath() : codexCommand,
-    args: wslCodex ? wslCodex.args : isWin32 ? ['/d', '/c', codexCommand] : [],
+    args: wslCodex
+      ? wslCodex.args
+      : isWin32
+        ? ['/d', '/c', codexCommand, ...CODEX_RATE_LIMIT_PLUGIN_ARGS]
+        : [...CODEX_RATE_LIMIT_PLUGIN_ARGS],
     cwd: resolveHiddenRateLimitPtyCwd(),
     env: withCliRuntimeOnPath(codexCommand, {
       ...(wslCodex ? processEnvWithoutCodexHome() : process.env),