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版本数
在 OpenClaw 中安装
/install subnet-calc
功能描述
CIDR and subnet calculator for network engineers. Calculate network address, broadcast, host range, subnet mask, wildcard mask, and more from CIDR notation....
安全使用建议
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).
功能分析
Type: OpenClaw Skill
Name: subnet-calc
Version: 1.0.0
The skill is a standard CIDR and subnet calculator that uses the Python standard library's 'ipaddress' module. Analysis of scripts/subnet_calc.py and SKILL.md shows no evidence of data exfiltration, network requests, or unauthorized file access. The code follows best practices for IPv6 handling to avoid memory exhaustion and contains no suspicious execution patterns or prompt injection attempts.
能力评估
Purpose & 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.
如何使用
- 确保已安装 OpenClaw（本地或 Docker 部署）
- 在对话框中输入安装命令：
/install subnet-calc - 安装完成后，直接呼叫该 Skill 的名称或使用
/subnet-calc触发 - 根据 Skill 的参数说明提供必要输入，即可获得结构化输出
版本历史
v1.0.0
Initial release of subnet-calc.
- Calculate network address, broadcast, first/last host, subnet mask, wildcard mask, and address counts from CIDR.
- Supports both IPv4 and IPv6.
- Check if an IP is within a given network.
- Split a network into smaller subnets by prefix length.
- Outputs in plain text or JSON formats.
- Includes detection for private, loopback, multicast, and link-local ranges.
元数据
常见问题
Subnet Calc 是什么？
CIDR and subnet calculator for network engineers. Calculate network address, broadcast, host range, subnet mask, wildcard mask, and more from CIDR notation.... 它是一个面向 Claude Code / OpenClaw 的 AI Agent Skill 插件，目前累计下载 156 次。
如何安装 Subnet Calc？
在 OpenClaw 或 Claude Code 对话框中运行命令「/install subnet-calc」即可一键安装，无需额外配置。
Subnet Calc 是免费的吗？
是的，Subnet Calc 完全免费，采用 MIT-0 许可证，可自由下载、安装和使用。
Subnet Calc 支持哪些平台？
Subnet Calc 跨平台运行，可在任意部署了 OpenClaw / Claude Code 的环境中使用（cross-platform）。
谁开发了 Subnet Calc？
由 John Wang（@johnnywang2001）开发并维护，当前版本 v1.0.0。
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