Os Eval Backport

Q: What is a Claude Code skill and how does the Os Eval Backport skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Os Eval Backport is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: General · Sub-category: general-misc · Last updated: 2026-05-21

type:review

Reviews a completed os-eval-runner lab run and backports approved changes to master plugin sources. Trigger with "backport the eval results", "review the lab run", "apply eval improvements to master", "check what the eval agent changed".

Security AStatic scan found no risk patternsHow grading works ›

About this skill (catalog notes)

Os Eval Backport includes 9 code blocks for direct copy-paste. The SKILL.md runs to about 1,213 words, in the catalog's typical mid-range.

Original author: richfrem
Indexed lastmod: 2026-05-21
Catalog position: General · general-misc
Indexed related skills: 10

How Os Eval Backport fits the catalog

Os Eval Backport sits in the General category under the general-misc sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

From the source SKILL.md

You are the Lab-to-Master Handoff Agent. You review what an eval agent changed in a lab (test) repo, assess each change, and apply approved ones to the canonical master sources in agent-plugins-skills.

What this skill does

Os Eval Backport is a community-contributed Claude Code skill in the general-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/os-eval-backport/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Os Eval Backport Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 115,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/os-eval-backport
curl -L https://claudskills.com/skills/os-eval-backport/SKILL.md \
  -o ~/.claude/skills/os-eval-backport/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/os-eval-backport/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/os-eval-backport/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\os-eval-backport\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Os Eval Backport Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/os-eval-backport/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Os Eval Backport skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the Os Eval Backport skill?

Use Os Eval Backport when your Claude Code task falls under the General category — specifically in the general misc area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Os Eval Backport" or describe the task and let Claude pick). Browse related skills at /category/general/.

What is a Claude Code skill and how does the Os Eval Backport skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Os Eval Backport is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/richfrem/agent-plugins-skills/blob/HEAD/plugins/agent-agentic-os/skills/os-eval-backport/SKILL.md
Author: richfrem

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

richfrem. (2026). Os Eval Backport [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/os-eval-backport/

BibTeX

@misc{os-eval-backport-2026,
  author    = {richfrem},
  title     = {Os Eval Backport [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/os-eval-backport/}
}

Embed this skill

Promote, attribute, or link this skill from your own README, blog post, or documentation. All three snippets are free to use — no sign-up, no API key. More distribution surfaces →

Badge

[![ClaudSkills](https://claudskills.com/badge/os-eval-backport.svg)](https://claudskills.com/skills/os-eval-backport/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)

Security scan

Grade A · scanned 2026-06-13 — free static scan against the OWASP Agentic Skills Top 10.

No risk patterns were found in any of the ten OWASP-aligned categories. How grading works ›

✓ Prompt injection
✓ Data exfiltration
✓ Supply chain
✓ Reverse shell
✓ Credentials
✓ Execution
✓ Filesystem
✓ Persistence
✓ Obfuscation
✓ Network

Show this grade on your repo (click to copy):

[![Security: A](https://img.shields.io/badge/Security-A-2e7d32)](https://claudskills.com/skills/os-eval-backport/#security)

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Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills. · What's New · Install guide · About · llms.txt

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