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Arc Skill Differ

Compare two versions of an OpenClaw skill to detect security-relevant changes. Use before updating any skill from ClawHub. Highlights new capabilities, chang...

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Compare two versions of an OpenClaw skill to detect security-relevant changes. Use before updating any skill from ClawHub. Highlights new capabilities, chang...

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Install for OpenClaw

Known item issue.

This item's current download entry is known to bounce back to a listing or homepage instead of returning a package file.

Quick setup
  1. Open the source page and confirm the package flow manually.
  2. Review SKILL.md if you can obtain the files.
  3. Treat this source as manual setup until the download is verified.

Requirements

Target platform
OpenClaw
Install method
Manual import
Extraction
Extract archive
Prerequisites
OpenClaw
Primary doc
SKILL.md

Package facts

Download mode
Manual review
Package format
ZIP package
Source platform
Tencent SkillHub
What's included
SKILL.md, scripts/differ.py

Validation

  • Open the source listing and confirm there is a real package or setup artifact available.
  • Review SKILL.md before asking your agent to continue.
  • Treat this source as manual setup until the upstream download flow is fixed.

Install with your agent

Agent handoff

Use the source page and any available docs to guide the install because the item currently does not return a direct package file.

  1. Open the source page via Open source listing.
  2. If you can obtain the package, extract it into a folder your agent can access.
  3. Paste one of the prompts below and point your agent at the source page and extracted files.
New install

I tried to install a skill package from Yavira, but the item currently does not return a direct package file. Inspect the source page and any extracted docs, then tell me what you can confirm and any manual steps still required.

Upgrade existing

I tried to upgrade a skill package from Yavira, but the item currently does not return a direct package file. Compare the source page and any extracted docs with my current installation, then summarize what changed and what manual follow-up I still need.

Trust & source

Release facts

Source
Tencent SkillHub
Verification
Indexed source record
Version
1.0.0

Documentation

ClawHub primary doc Primary doc: SKILL.md 9 sections Open source page

Skill Differ

Compare two versions of an OpenClaw skill to find security-relevant changes before updating.

Why This Exists

A skill that was clean at v1.0 could add credential stealing in v1.1. The skill scanner catches known bad patterns in a single version. The differ catches new capabilities between versions — things a skill couldn't do before but can do now.

Diff two skill directories

python3 {baseDir}/scripts/differ.py diff --old ~/.openclaw/skills/some-skill/ --new /tmp/some-skill-v2/

Diff with JSON output

python3 {baseDir}/scripts/differ.py diff --old ./v1/ --new ./v2/ --json

Quick summary only (no file details)

python3 {baseDir}/scripts/differ.py diff --old ./v1/ --new ./v2/ --summary

New Capabilities Added

Network access (skill didn't make HTTP requests before, now it does) Credential access (didn't read env vars or API keys before, now it does) File system access (wasn't touching home directory, now it is) Code execution patterns (eval/exec that didn't exist before) Data exfiltration (new outbound POST requests) Obfuscation (new encoded/obfuscated content)

File Changes

New files added (especially in scripts/) Deleted files (could remove safety checks) Modified files with security-relevant diffs

Recommendations

SAFE — No new security-relevant capabilities. Update freely. REVIEW — New capabilities detected. Read the changes before updating. BLOCK — Critical new capabilities (code execution, credential access). Manual audit required.

Tips

Always diff before updating any third-party skill Pair with skill-scanner: scan before first install, diff before every update Pay attention to new files — attackers add payloads in new scripts If a "bug fix" update adds network access, that's suspicious

Category context

Long-tail utilities that do not fit the current primary taxonomy cleanly.

Source: Tencent SkillHub

Largest current source with strong distribution and engagement signals.

Package contents

Included in package
1 Docs1 Scripts
  • SKILL.md Primary doc
  • scripts/differ.py Scripts