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在 OpenClaw 中安装
/install wa-number-checker
功能描述
Query whether a phone number is registered on WhatsApp. Use when the user asks to check if a number has WhatsApp, verify if a number exists on WhatsApp, "查这个...
安全使用建议
This skill will send phone numbers you provide to an external API at wa-check-api.whatsabot.com and requires an API key (x-api-key) even though the skill metadata does not declare one. Before installing or using it: (1) verify the operator/owner of wa-check-api.whatsabot.com and their privacy policy; (2) require the skill to explicitly declare the required env var name (e.g., WA_CHECK_API_KEY) so you can store it safely, rather than relying on ambiguous examples like process.env.API_KEY; (3) avoid sending sensitive phone numbers until you trust the service; (4) confirm how the service logs or stores queried numbers (retention/usage); and (5) if you want stronger assurance, ask the publisher to publish code or a reputable homepage and to justify why an MCP or hosted API is needed rather than a local check. If the publisher cannot clarify the missing API key declaration and who runs the endpoint, treat the skill as untrusted.
功能分析
Type: OpenClaw Skill
Name: wa-number-checker
Version: 1.0.0
The skill bundle provides a legitimate utility for checking if a phone number is registered on WhatsApp via the 'wa-check-api.whatsabot.com' service. The instructions in SKILL.md and references/api.md are transparent, describing standard REST API and MCP tool usage with appropriate error handling and no evidence of malicious intent, data exfiltration, or obfuscation.
能力评估
Purpose & Capability
The name/description match the instructions: the skill either calls an MCP (if present) or a REST API to check WhatsApp registration. Using an external API for this purpose is coherent.
Instruction Scope
Instructions explicitly tell the agent to call an external endpoint (https://wa-check-api.whatsabot.com) and include an x-api-key header; they do not instruct reading unrelated files or system paths. However, the instructions will transmit users' phone numbers to a third‑party service — a privacy concern that should be disclosed and accepted by users.
Install Mechanism
No install spec and no code files are present (instruction-only). This minimizes on-disk risk; there is no arbitrary download or install behavior to review.
Credentials
The skill declares no required environment variables or primary credential, yet the REST instructions require an API key (x-api-key). The sample Node snippet references process.env.API_KEY (ambiguous name). Missing declaration of the API key and inconsistent env var naming are incoherent and could lead to accidental credential leakage or misconfiguration.
Persistence & Privilege
always is false and the skill does not request persistent system-level privileges or modify other skills. Autonomous invocation is allowed by default but is not combined with other high-risk privileges 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 wa-number-checker - 安装完成后，直接呼叫该 Skill 的名称或使用
/wa-number-checker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 wa-number-checker-skills.
- Allows users to check if a phone number is registered on WhatsApp.
- Supports queries in English and Chinese for WhatsApp number verification.
- Integrates with MCP (wa-check-api) if available, otherwise uses REST API.
- Provides clear instructions for parameters, success responses, and error handling.
元数据
常见问题
WhatsApp Number Checker 是什么？
Query whether a phone number is registered on WhatsApp. Use when the user asks to check if a number has WhatsApp, verify if a number exists on WhatsApp, "查这个... 它是一个面向 Claude Code / OpenClaw 的 AI Agent Skill 插件，目前累计下载 315 次。
如何安装 WhatsApp Number Checker？
在 OpenClaw 或 Claude Code 对话框中运行命令「/install wa-number-checker」即可一键安装，无需额外配置。
WhatsApp Number Checker 是免费的吗？
是的，WhatsApp Number Checker 完全免费，采用 MIT-0 许可证，可自由下载、安装和使用。
WhatsApp Number Checker 支持哪些平台？
WhatsApp Number Checker 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 WhatsApp Number Checker？
由 Jason（@zhuqling）开发并维护，当前版本 v1.0.0。
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