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Proposals/Replace <output_efficiency> with <response_guide
proposaldeveloperP5Worth a lookxAI Grok CLI (Grok Build)

Replace <output_efficiency> with <response_guidelines> in Grok CLI prompts

Grok CLI renames the system prompt tag <output_efficiency> to <response_guidelines>, strips trailing /** on sandbox allow paths, restricts session dirs to owner-only, and installs native arm64 on Apple Silicon (including Rosetta/x86_64 updaters).

Why this loop

This release changes prompt structure and sandbox/session path handling. Custom prompts still using <output_efficiency> will not match the new <response_guidelines> contract. Sandbox allow entries ending in /** are stripped, so path rules may broaden or stop matching as intended. Session directories are now owner-only, which can break shared or multi-user layouts. Apple Silicon users still on Rosetta/x86_64 builds should move to the native arm64 install path. Align local configs and install method with these monorepo sync changes before relying on agent runs, pager tooling, or automations cards.

Proposed actions

  1. rg -n '<output_efficiency>|output_efficiency' ~/.grok . --glob '!**/node_modules/**' and rewrite every system-prompt hit to <response_guidelines>; keep surrounding instructions intact
  2. List every Grok/CLI sandbox allow path in your config and delete a trailing /** from each entry (release strips trailing /** on sandbox allow paths)
  3. stat -f '%Sp %N' <your-grok-session-dirs> and chmod 700 any session directory that is not owner-only (release restricts session directories to owner-only permissions)
  4. On Apple Silicon: from a Rosetta or x86_64 shell, reinstall/update so the CLI installs native arm64 (supported including from Rosetta shells and x86_64 updaters)
  5. If an alpha channel update fails, reinstall using GROK_CHANNEL as the release directs for alpha update failures

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# DevAgentRadar → Claude Code

You are helping me adopt a real coding-assistant change. Work only from the facts below. Do not invent features.

## Context
Assistant: xAI Grok CLI (Grok Build)
Proposal: Replace <output_efficiency> with <response_guidelines> in Grok CLI prompts
Summary: Grok CLI renames the system prompt tag <output_efficiency> to <response_guidelines>, strips trailing /** on sandbox allow paths, restricts session dirs to owner-only, and installs native arm64 on Apple Silicon (including Rosetta/x86_64 updaters).
Primary source: https://github.com/xai-org/grok-build/commit/be713136d2a69080743a3f6b3c72077057e5948f

## Why it matters
This release changes prompt structure and sandbox/session path handling. Custom prompts still using <output_efficiency> will not match the new <response_guidelines> contract. Sandbox allow entries ending in /** are stripped, so path rules may broaden or stop matching as intended. Session directories are now owner-only, which can break shared or multi-user layouts. Apple Silicon users still on Rosetta/x86_64 builds should move to the native arm64 install path. Align local configs and install method with these monorepo sync changes before relying on agent runs, pager tooling, or automations cards.

## Suggested actions
1. rg -n '<output_efficiency>|output_efficiency' ~/.grok . --glob '!**/node_modules/**' and rewrite every system-prompt hit to <response_guidelines>; keep surrounding instructions intact
2. List every Grok/CLI sandbox allow path in your config and delete a trailing /** from each entry (release strips trailing /** on sandbox allow paths)
3. stat -f '%Sp %N' <your-grok-session-dirs> and chmod 700 any session directory that is not owner-only (release restricts session directories to owner-only permissions)
4. On Apple Silicon: from a Rosetta or x86_64 shell, reinstall/update so the CLI installs native arm64 (supported including from Rosetta shells and x86_64 updaters)
5. If an alpha channel update fails, reinstall using GROK_CHANNEL as the release directs for alpha update failures

## Config surfaces this release may change
- sandbox settings — check your repo before applying


## Your job
1. Restate the change in one sentence.
2. Propose a minimal plan for my repo (or a throwaway pilot).
3. Implement only what I approve; prefer small diffs and tests.
4. Call out risks (permissions, breaking APIs, cost).

Start by confirming you understood the proposal.
agentmodelsecurityclibreakingRelease source ↗

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Originating release signal

xAI Grok CLI (Grok Build)be71313Aug 11, 2026

Synced from monorepo

Synced from monorepo · Presence protocol end-to-end: live presence updates through the gateway to client presence tiers · Worktree: narrow standalone origin fetch and drop inconsistent shallow clones · Group hooked read-only tool calls in the pager · Pager: Apple Terminal Cmd+click opens the first autolink across messages · Emit CLI update telemetry for install attempts · Recognize invalid-image rejections by the server’s error code · Add typed Automations tool-usage card variant with render support · Replace signal-based child process waits · +16 more changes

Verified excerpt — the source's own words
Synced from monorepo

- Presence protocol end-to-end: live presence updates through the gateway to client presence tiers
- Worktree: narrow standalone origin fetch and drop inconsistent shallow clones
- Group hooked read-only tool calls in the pager
- Pager: Apple Terminal Cmd+click opens the first autolink across messages
- Emit CLI update telemetry for install attempts
- Recognize invalid-image rejections by the server’s error code
- Add typed Automations tool-usage card variant with render support
- Replace signal-based child process waits
- Rename system prompt `<output_efficiency>` to `<response_guidelines>`
- Retain the displayed session model when the model catalog refreshes
- Strengthen agent work discipline
- Explain the pager startup timeout
- Esc on the cancel-subagents panel keeps the turn running
- Explain video-tool ZDR restriction instead of dropping the tools
- Finish drag selection when the mouse release is lost
- Restrict session directories to owner-only permissions
- Install native arm64 on Apple Silicon, including from Rosetta shells and x86_64 updaters
- Strip trailing `/**` on sandbox allow paths
- Show interjection note on send-now turns

Excerpt ends here — this release continues at the source ↗.

Primary source ↗