Security audit
Security checks for vulnerabilities and agentic risk
This is a simple join/merge reference skill, with the main caution that its one-letter name and broad examples could cause accidental use if invoked loosely.
Install only if you want a short command-reference skill for merge/join tasks. Be deliberate when invoking it, and review wildcard patterns plus output filenames before running examples that redirect with `>` because they can overwrite existing files.
Using a single-letter trigger like j is dangerously overbroad because it can collide with ordinary user text, shell fragments, filenames, or unrelated commands. That increases the chance the agent invokes this skill in the wrong context and performs file-merge operations unexpectedly, which can overwrite outputs, combine sensitive data, or steer workflows away from the user's actual intent.
The heading and primary explanatory text are written in Chinese, which can impose a language choice on users if the skill is expected to be generally usable. There is no statement that the skill is intentionally region-specific or that users may choose another language.
The invocation guidance includes broad everyday phrases such as 'combine strings' and 'concatenate files' without boundaries, making unintended activation more likely. In an agent setting, ambiguous routing can cause the skill to handle requests outside its safe scope, potentially merging the wrong inputs or encouraging unsafe shell usage on unintended files.
The comment at L175 says the command merges Markdown files into a PDF, but the command at L176 outputs to combined.md, which is a Markdown file rather than a PDF. This is a direct contradiction between the inline documentation and the demonstrated behavior.
No suspicious patterns detected.
