Improving LLM security agents' vulnerability discovery and reducing false positives, Searching and filtering text output from CLI tools via piping
It's a powerful CLI-based code scanner, but requires comfort with command-line tools and regular expressions to be effective.
General command-line text searching for users unfamiliar with CLI tools, Finding specific bug callsites in complex legacy codebases
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he wants the candidate to suggest a CLI tool, e.g. grep -l -R --perl-regexp \b(\(\d{3}\)\s |\d{3}-)\d{3}-\d{4}\b output.txt
Hacker News • HackerNews • Use case: Searching 50,000 HTML files for phone numbers matching specific patterns using a Perl-compatible regular expression.
if you have a certain CLI tool that's represented thoroughly through the model's training dataset (i.e. grep...), it's definitely beneficial to use CLIs (since it means less context spending, less trial-and-error to get the expected results).
Hacker News • HackerNews • Use case: Command-line tool represented thoroughly in model training data
After multiple hours of trial and error and grepping, I could never find the offending callsite and the original authors had long moved on.
Hacker News • HackerNews • Use case: Trying to find the callsite of a bug in a complex Python codebase.
And you get composability for free - pipe to jq, grep, head, whatever.
Hacker News • HackerNews • Use case: Searching and filtering text output from CLI tools via piping
~99.8% of 18 year old students have never used any command line tool in their lives. they do not know what grep is.
Hacker News • HackerNews • Use case: General command-line text searching/processing
What we've found is that giving LLM security agents access to good tools (Semgrep, CodeQL, etc.) makes them significantly better esp. when it comes to false positives.
Hacker News • HackerNews • Use case: Used as a tool for LLM security agents to improve vulnerability discovery and reduce false positives.
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