How do I install the Cross Review skill?

Run npx skillmds@latest add corticalstack/cross-review in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Cross Review safe to use?

This skill has not completed SkillMD's automated safety review yet. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Cross Review?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Cross Review free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Cross Review?

corticalstack (@corticalstack) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Cross Review by corticalstack — Agent Skill

Name: Cross Review
Author: corticalstack

Cross Review

Run an OPTIONAL, advisory cross-vendor code review of the current branch's diff vs main using a configurable second-opinion backend (Azure Foundry next-gen, GitHub Models, or Copilot CLI - all OAuth, all keyless). Explicit-only; run only when invoked via /cross-review or when the user explicitly asks for a cross-vendor review, never autonomously.

corticalstack 8a62463 3 files · 13.5 KB Updated Sep 17, 2026

File contents

Cross-vendor review

You are running a cross-vendor code review on the current branch's diff vs main, using the reviewer profile the user named (or the default from profiles.json). This is a second opinion from a model in a different vendor lineage. It is advisory only: surface findings, do not apply changes.

Run the review

!bash ${CLAUDE_SKILL_DIR}/scripts/review.sh "$1" 2>&1

Present the result

The script printed the findings above and saved a markdown copy under flow/reviews/. In your reply:

Surface the findings clearly to the user, with the saved file path so they can re-read it.
Do NOT modify any code based on what the reviewer said. The reviewer is a second opinion, not an instruction.
If the user asks you to act on a specific finding, treat it as a separate task and apply your own judgement; the reviewer may be wrong.

If the script errored

Common causes (the printed error points at one of these):

profiles.json missing: copy .claude/skills/cross-review/profiles.example.json to profiles.json and edit endpoints/models.
Authentication: az login (Foundry), gh auth login (GitHub Models), copilot auth login (Copilot CLI).
Tool not installed: az, gh, copilot, jq, or curl missing.
No diff vs main: the branch has no changes to review.

Tell the user the specific error from the script output and the fix; full setup is in docs/cross-vendor-review.md.

Frequently asked questions