Subnet Calc
v1.0.0CIDR and subnet calculator for network engineers. Calculate network address, broadcast, host range, subnet mask, wildcard mask, and more from CIDR notation....
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byJohn Wang@johnnywang2001
MIT-0
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LicenseMIT-0 · Free to use, modify, and redistribute. No attribution required.
Security Scan
OpenClaw
Benign
high confidencePurpose & Capability
Name/description, SKILL.md examples, and the included Python script all implement a CIDR/subnet calculator (IPv4/IPv6, split, containment). There are no unrelated dependencies or requested credentials.
Instruction Scope
SKILL.md instructs running the included script with arguments; the script only parses input, computes network properties using the stdlib ipaddress module, and prints results. It does not read unrelated files, environment variables, or transmit data externally.
Install Mechanism
No install spec or external downloads. The skill is instruction-only with one included Python script that uses only the Python standard library.
Credentials
No environment variables, credentials, or config paths are requested or used; this is proportionate for a local subnet calculator.
Persistence & Privilege
always is false and the skill does not request persistent system-wide changes or modify other skills. Allowing agent invocation is the platform default and is not problematic here.
Assessment
This appears to be a straightforward, self-contained Python subnet calculator. If you plan to run it, review the included script (scripts/subnet_calc.py) yourself (it’s short and uses only the stdlib), run it with Python 3 in a controlled environment, and avoid giving it any credentials or elevated filesystem permissions—none are required. If you need to run it as an autonomous agent skill, be comfortable with the agent being able to invoke the script (no additional privileges are requested).Like a lobster shell, security has layers — review code before you run it.
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License
MIT-0
Free to use, modify, and redistribute. No attribution required.