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nukewire

ClawDefender - OpenClaw Security - Prompt injection, rogue skills etc

by Nukewire · GitHub ↗ · v1.0.1
cross-platform ⚠ suspicious
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Install in OpenClaw
/install clawdefender
Description
Security scanner and input sanitizer for AI agents. Detects prompt injection, command injection, SSRF, credential exfiltration, and path traversal attacks. Use when (1) installing new skills from ClawHub, (2) processing external input like emails, calendar events, Trello cards, or API responses, (3) validating URLs before fetching, (4) running security audits on your workspace. Protects agents from malicious content in untrusted data sources.
Usage Guidance
Install only if you treat this as a lightweight regex helper, not a security boundary. Avoid using its --install mode for untrusted skills, use strict blocking for agent-facing input pipelines, and do not rely on its URL validator as the only SSRF protection before fetching external URLs.
Capability Analysis
Type: OpenClaw Skill Name: clawdefender Version: 1.0.1 The skill bundle 'clawdefender' is a security tool designed to protect AI agents from various attacks, including prompt injection, command injection, SSRF, credential exfiltration, and path traversal. The `SKILL.md` clearly outlines its defensive purpose and instructs the agent to be cautious of flagged content. The `clawdefender.sh` script implements extensive detection patterns for malicious activities and performs audits, input validation, and safe skill installation. The `sanitize.sh` script acts as a wrapper for prompt injection detection. All observed behaviors are consistent with a legitimate security scanner and lack any evidence of intentional harmful actions by the skill itself.
Capability Assessment
ℹ Credentials
The audit reads installed skills and workspace scripts under a hardcoded /home/clawdbot/clawd path and checks .env permissions, which is aligned with security auditing but should be run with awareness of local file exposure.
⚠ Install Mechanism
The advertised --install flow runs npx clawhub install "$skill_name" --no-input before scanning the installed skill, so installation-time side effects can occur before review; the npx package is not pinned or integrity-verified.
ℹ Instruction Scope
Instructions to ignore flagged content are purpose-aligned, not a hidden jailbreak. The prompt-injection and destructive-command phrases in SKILL.md and clawdefender.sh are documented test patterns rather than operative instructions.
⚠ Persistence & Privilege
The script writes audit summaries to a workspace memory file and can remove an installed skill directory after findings; these are disclosed, but the mutation authority in the installer/removal path is broad for a scanner and depends on user-supplied skill names.
⚠ Purpose & Capability
The stated purpose fits a security scanner/sanitizer, and most dangerous strings are detection examples, but the artifacts overstate protection: default sanitization can pass flagged input through with markers, direct validation reports “block” without a blocking exit status, and URL validation can be bypassed by allowlisted substrings.
How to Use
  1. Make sure OpenClaw is installed (local or Docker)
  2. Run the install command in chat: /install clawdefender
  3. After installation, invoke the skill by name or use /clawdefender
  4. Provide required inputs per the skill's parameter spec and get structured output
Version History
v1.0.1
ClawDefender v1.0.1 - Tuned pattern detection to reduce false positives.
v1.0.0
- Initial release of ClawDefender v1.0.0. - Provides a comprehensive security toolkit for AI agents, including malware scanning, input sanitization, and blocking of prompt injection attacks. - Detects prompt injection, command injection, SSRF, credential exfiltration, and path traversal threats. - Includes scripts for auditing skills, sanitizing external input, validating URLs, and checking text for malicious patterns. - Designed for use during skill installation, processing of external input, and regular security audits. - Follows OWASP LLM Top 10 best practices and integrates easily with automation and CI/CD workflows.
Metadata
Slug clawdefender
Version 1.0.1
License —
All-time Installs 0
Active Installs 0
Total Versions 2
Frequently Asked Questions

What is ClawDefender - OpenClaw Security - Prompt injection, rogue skills etc?

Security scanner and input sanitizer for AI agents. Detects prompt injection, command injection, SSRF, credential exfiltration, and path traversal attacks. Use when (1) installing new skills from ClawHub, (2) processing external input like emails, calendar events, Trello cards, or API responses, (3) validating URLs before fetching, (4) running security audits on your workspace. Protects agents from malicious content in untrusted data sources. It is an AI Agent Skill for Claude Code / OpenClaw, with 11684 downloads so far.

How do I install ClawDefender - OpenClaw Security - Prompt injection, rogue skills etc?

Run "/install clawdefender" in the OpenClaw or Claude Code chat to install it in one step — no extra setup required.

Is ClawDefender - OpenClaw Security - Prompt injection, rogue skills etc free?

Yes, ClawDefender - OpenClaw Security - Prompt injection, rogue skills etc is completely free (open-source). You can download, install and use it at no cost.

Which platforms does ClawDefender - OpenClaw Security - Prompt injection, rogue skills etc support?

ClawDefender - OpenClaw Security - Prompt injection, rogue skills etc is cross-platform and runs anywhere OpenClaw / Claude Code is available (cross-platform).

Who created ClawDefender - OpenClaw Security - Prompt injection, rogue skills etc?

It is built and maintained by Nukewire (@nukewire); the current version is v1.0.1.

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