Free Free catalog: tested by us, made by others
Skills
Skills are superpowers you add to your assistant. A skill is a set of written instructions, sometimes with small tools, that teaches your assistant one job, such as planning a long task or writing in a natural voice. You install it once and the assistant uses it when the job comes up. Plugins, hooks and commands are listed here too: they install the same way.
Start here: skills for security testing
Our must-haves, most useful first. Install the first one, try it, then add more.
Start with this one
Block dangerous commands
cc-safety-net
Stops the assistant before it runs a command that could delete your files.
Test: installs cleanly; its main features need an account we did not use. Not yet used on real work.
EveryoneWatch outThe install command changes your agent's hook settings. It runs a program on every shell command, so a bug in the tool could block normal work.
For any assistantPaste this in the terminal npx -y cc-safety-net@latest install
Check add-ons before you trust them
Snyk Agent Scan
Checks the extras you installed before you trust them.
Install line
Paste this in the terminal uvx snyk-agent-scan@latestFor any assistant. All steps and how we tested it
Security review of your code
Trail of Bits Skills
Security experts’ checklists to review your own code.
Install: step 1 of 2
Step 1 of 2 · Type this inside Claude Code /plugin marketplace add trailofbits/ skills For Claude Code. All steps and how we tested it
Security check for Gemini
Gemini CLI Security extension
Lets Gemini check your own code for security problems.
Install line
Paste this in the terminal gemini extensions install https:// github.com/ gemini-cli-extensions/ security For Gemini CLI. All steps and how we tested it
4 skills match your filters
All skills
4 skills match your filters.
Block dangerous commands
cc-safety-net
Stops the assistant before it runs a command that could delete your files.
Install line
Paste this in the terminal npx -y cc-safety-net@latest installFor any assistant. All steps and how we tested it
Check add-ons before you trust them
Snyk Agent Scan
Checks the extras you installed before you trust them.
Install line
Paste this in the terminal uvx snyk-agent-scan@latestFor any assistant. All steps and how we tested it
Security review of your code
Trail of Bits Skills
Security experts’ checklists to review your own code.
Install: step 1 of 2
Step 1 of 2 · Type this inside Claude Code /plugin marketplace add trailofbits/ skills For Claude Code. All steps and how we tested it
Security check for Gemini
Gemini CLI Security extension
Lets Gemini check your own code for security problems.
Install line
Paste this in the terminal gemini extensions install https:// github.com/ gemini-cli-extensions/ security For Gemini CLI. All steps and how we tested it
Every must-have for security testing: skills, agents and connectors