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在 OpenClaw 中安装
/install opencal
功能描述
Log meals, check nutrition progress, and manage calorie goals in the OpenCal app — hands-free via your AI agent. Use when the user mentions eating, food, cal...
安全使用建议
This skill appears to do what it says: it will use your OpenCal API key to call OpenCal's API (api.opencal.ai) via curl/jq to search foods, log entries, and update goals. Before installing: 1) Only provide your OPENCAL_API_KEY (keep it secret); consider creating a limited/revocable key in the app if available. 2) Confirm whether you need to set OPENCAL_BASE_URL — the SKILL.md examples use that optional env var but it isn't declared in the metadata. 3) Understand the agent can call the skill autonomously when triggered by food-related user messages, so revoke the key if you see unexpected activity. 4) Ensure curl and jq are trusted on the host where the agent runs. If you want stricter limits, ask the skill author to declare OPENCAL_BASE_URL explicitly and to document key scopes and retention.
功能分析
Type: OpenClaw Skill
Name: opencal
Version: 1.0.0
The skill is classified as suspicious due to its reliance on direct shell command execution (`curl`, `jq`) for API interactions, which presents a significant vulnerability to shell injection if the AI agent does not rigorously sanitize user input before constructing these commands. Additionally, the `OPENCAL_BASE_URL` override in SKILL.md allows for potential redirection of API calls to arbitrary endpoints if an attacker can control this environment variable via prompt injection. While these capabilities are plausibly needed for the skill's stated purpose, they introduce high-risk attack vectors without clear malicious intent within the skill's instructions themselves.
能力评估
Purpose & Capability
Name/description (log meals, check progress, update goals) match the runtime instructions and required artifacts. Requesting an OPENCAL_API_KEY and using curl/jq to hit api.opencal.ai is appropriate for this purpose.
Instruction Scope
SKILL.md only instructs calling OpenCal API endpoints and confirming actions with the user. It does not ask the agent to read unrelated local files or other credentials. Minor issue: the docs reference an optional OPENCAL_BASE_URL environment variable (used to override the API host) but that env var is not declared in the skill's requires.env list.
Install Mechanism
There is no install spec and no code files — the skill is instruction-only and runs only curl/jq commands. This is the lowest-risk install model.
Credentials
Only OPENCAL_API_KEY is required (appropriate for an API integration). The only mismatch is the undeclared OPENCAL_BASE_URL used in examples; if the skill expects users to set that override it should be declared. No other secrets or unrelated credentials are requested.
Persistence & Privilege
always is false and the skill does not request elevated or system-wide persistence. It does allow normal autonomous invocation (platform default), which is appropriate for a conversational assistant that can log meals when prompted.
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 opencal - 安装完成后，直接呼叫该 Skill 的名称或使用
/opencal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 — calorie & nutrition tracking skill
元数据
常见问题
OpenCal 是什么？
Log meals, check nutrition progress, and manage calorie goals in the OpenCal app — hands-free via your AI agent. Use when the user mentions eating, food, cal... 它是一个面向 Claude Code / OpenClaw 的 AI Agent Skill 插件，目前累计下载 698 次。
如何安装 OpenCal？
在 OpenClaw 或 Claude Code 对话框中运行命令「/install opencal」即可一键安装，无需额外配置。
OpenCal 是免费的吗？
是的，OpenCal 完全免费（开源免费），可自由下载、安装和使用。
OpenCal 支持哪些平台？
OpenCal 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 OpenCal？
由 neikfu（@neikfu）开发并维护，当前版本 v1.0.0。
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