# arc-skill-differ

> Use this tool when you need to identify security vulnerabilities in updated OpenClaw skills by comparing two versions to detect changes. It solves problems related to skill security and compliance by highlighting potential risks introduced in new versions. The tool takes two skill versions as input and outputs a report of security-relevant differences, helping you assess and mitigate risks in your skill development workflow.

Canonical page: https://skillsregistry.net/skills/trypto1019-arc-skill-differ  
JSON: https://api.skillsregistry.net/v1/skills/trypto1019-arc-skill-differ

## Description

Compare two versions of an OpenClaw skill to detect security-relevant changes.

## Trust

- **Trust score (0–1):** 0.60
- **Verification tier:** unverified

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** instructions
- **Runtime environment:** llm
- **Category:** security
- **Updated:** 2026-05-17

## Source

- **Source listing:** [ClawHub](https://clawskills.sh/skills/trypto1019-arc-skill-differ)

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "trypto1019-arc-skill-differ"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/trypto1019-arc-skill-differ` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/trypto1019-arc-skill-differ/pull`

---
SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt