What this skill does
Test your agent's input sanitization against common injection attacks. Runs self-contained checks using synthetic test data only — no local files are accessed.
Agent Hardening is part of the Developer Tools category — developer tools that help your agent write, review, debug, and ship code. You can install it on its own or alongside other developer tools skills from the OpenClaw catalog.
How to install Agent Hardening
The easiest path is via the OpenClaw Easy desktop app — one click, no terminal required:
- Download OpenClaw Easy for macOS or Windows (free, one-click installer, ~30 seconds).
- Open the in-app Skills panel.
- Search for
agent-hardeningand click Install. - The skill activates automatically when an incoming message matches its description.
Install from the command line
If you already run the OpenClaw CLI, add Agent Hardening with a single command:
openclaw skills add agent-hardening
This pulls agent-hardening from ClawHub and installs it into ~/.openclaw/skills/agent-hardening/. Restart the OpenClaw gateway afterwards so the new skill is discovered.
How to use Agent Hardening
Once installed, Agent Hardening activates on its own: when an incoming message on WhatsApp, Telegram, Slack, Discord, Feishu or Line matches the skill's description, your OpenClaw agent loads it and runs the workflow. You can also trigger it explicitly by describing the task in chat. No extra configuration is required after install.
Manual install (advanced)
If you prefer manual installation:
- Click the Download .zip button above to grab
agent-hardening-1.1.2.zipdirectly from our S3 mirror. - Unzip into
~/.openclaw/skills/agent-hardening/(create the directory if it does not exist). - Restart OpenClaw Easy (or the OpenClaw CLI gateway) so the new skill is discovered.
Frequently asked questions
How do I install Agent Hardening?
Install Agent Hardening in the OpenClaw Easy desktop app by opening the Skills panel, searching for agent-hardening, and clicking Install. From a terminal you can run: openclaw skills add agent-hardening. Either way the skill is placed in ~/.openclaw/skills/agent-hardening/.
Is Agent Hardening free?
Yes. Agent Hardening is free and open-source, distributed under the Apache-2.0 license through ClawHub. No account or payment is required to download or run it.
What does Agent Hardening do?
Test your agent's input sanitization against common injection attacks. Runs self-contained checks using synthetic test data only — no local files are accessed.
Related: more developer tools skills
If Agent Hardening looks useful, you may also want to check out other developer tools skills in the OpenClaw catalog:
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Free, open-source · Apache-2.0 · Works with Claude, ChatGPT, Gemini, or local Ollama models