How do I install the Fi Qwen Upgrade skill?

Run npx skillmds@latest add ariffazil/fi-qwen-upgrade-2 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 Fi Qwen Upgrade safe to use?

This skill has not completed SkillMD's automated safety review yet. Independent scanners report: SkillSpector: PASS, Skill Scanner: PASS. Capability flags: makes network calls. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Fi Qwen Upgrade?

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 Fi Qwen Upgrade free to use?

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

Who published Fi Qwen Upgrade?

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

Fi Qwen Upgrade by ariffazil — Agent Skill

Name: Fi Qwen Upgrade
Rating: 4.5 (4 reviews)
Author: ariffazil

Fi Qwen Upgrade

Atomic-swap upgrade of the Qwen Code release install (SHA256-verified, rollback-preserved). Use when Arif says 'upgrade qwen', 'qwen update', 'new qwen version', or when `qwen update` refuses with a misleading git-clone message.

ariffazil Updated Sep 22, 2026

File contents

Qwen Code Atomic-Swap Upgrade

Qwen Code at /root is a release tarball install at /root/.local/lib/qwen-code/, NOT npm and NOT a git clone. qwen update refuses with a misleading "git clone" message; npm install -g writes to the wrong path. Manual atomic-swap is the only working upgrade (proven 2026-08-14/18/21).

Procedure

qwen --version — record current OLD version.
Fetch expected hash: curl -fsSL https://github.com/QwenLM/qwen-code/releases/download/vNEW/SHA256SUMS | grep linux-x64
Download tarball to /tmp, verify sha256sum MATCHES. Mismatch → abort, report.
mv /root/.local/lib/qwen-code /root/.local/lib/qwen-code.old.OLD (preserve active — F1 reversibility)
tar -xzf /tmp/qwen-code-NEW.tar.gz -C /root/.local/ && mv /root/.local/qwen-code /root/.local/lib/qwen-code
Write /root/.local/lib/qwen-code/.qwen-rollback-info.json with preservedVersion / updatedTo / timestamp / reason / rollback command.
Verify qwen --version → NEW. Clean tarball.
settings.json is never touched — yolo/empty-deny + provider entries survive (config is version-agnostic).

Rollback

mv /root/.local/lib/qwen-code.old.OLD /root/.local/lib/qwen-code. The running session keeps the old binary in memory; next launch gets the new one. Never delete the .old tree same-day.

Frequently asked questions