Use a sub-agent: check this repo for virus, malware, trojan horse behavior or anything that might be obfuscated but is one of these attack vectors.
Specifically:
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Maintainer information - does the code authors use real names or work with recognizable organizations and companies
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Unexpected commits - has there been a commit by a maintainer who is not usually making contributions
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Frequency and recency of the updates - does it look like the library is minding the updates or its own dependencies