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在 OpenClaw 中安装
/install mailcheck-email-verification
功能描述
Email verification skill for MailCheck API - verify emails, bulk processing, authenticity analysis
使用说明 (SKILL.md)
MailCheck Email Verification
Verify email addresses with the MailCheck API - comprehensive email validation with syntax, disposable, DNS, and SMTP checks.
Features
- Single Email Verification - Verify one email at a time
- Bulk Verification - Verify up to 100 emails in one request
- Authenticity Analysis - Detect phishing, spoofing, and email fraud
- Risk Scoring - 0-100 score with risk level (low/medium/high)
Commands
email-verify - Verify single email
Verifies a single email address.
Parameters:
email(required): Email address to verifyapi_key(optional): MailCheck API key (falls back toMAILCHECK_API_KEYenv var)
Example:
email-verify email="[email protected]" api_key="sk_live_..."
email-bulk-verify - Bulk verification
Verifies up to 100 email addresses in one request.
Parameters:
emails(required): Array of email addressesapi_key(optional): MailCheck API key
Example:
email-bulk-verify emails="[[email protected], [email protected]]" api_key="sk_live_..."
email-auth-verify - Email authenticity analysis
Analyzes email headers for spoofing, phishing, and CEO fraud.
Parameters:
headers(required): Email headers to analyzetrusted_domains(optional): Domains for lookalike detectionapi_key(optional): MailCheck API key
Example:
email-auth-verify headers="From: [email protected]\
Received: ..." trusted_domains="[company.com]"
Environment Variables
Set MAILCHECK_API_KEY with your MailCheck API key to avoid passing it on every command.
Installation
This skill is available on ClawHub.
clawhub install mailcheck-email-verification
API Reference
See full API documentation: https://api.mailcheck.dev/docs
Repository
Source code: https://github.com/bnuyts/mailcheck-skill
License
MIT
安全使用建议
This skill appears to implement exactly what it says: it sends supplied emails/headers to api.mailcheck.dev and requires a MailCheck API key. However, the registry metadata does not declare that MAILCHECK_API_KEY is required — the SKILL.md and code do. Before installing: (1) treat your API key as a secret — prefer setting MAILCHECK_API_KEY in your agent's secure environment rather than pasting keys into command arguments or examples; (2) consider creating a dedicated MailCheck key with minimal scope and rotate/revoke it if exposed; (3) review the published GitHub repo (https://github.com/bnuyts/mailcheck-skill) to confirm authorship and any updates; (4) be aware that sending full email headers can include PII and authentication artifacts (SPF/DKIM/Message-IDs) — only send what you need; (5) ask the publisher or registry to correct the metadata to declare MAILCHECK_API_KEY as a required env var so the permission model is accurate.
功能分析
Type: OpenClaw Skill
Name: mailcheck-email-verification
Version: 1.1.0
The skill provides email verification and authenticity analysis via the MailCheck API. All network requests are directed to the legitimate `https://api.mailcheck.dev` endpoint. API keys are handled securely by accepting them as parameters or from the `MAILCHECK_API_KEY` environment variable. The `index.js` code uses standard `fetch` calls without any risky command execution (e.g., `eval`, `exec`, `os.system`) or attempts to access unrelated sensitive data. Both `SKILL.md` and `README.md` are purely descriptive and contain no prompt injection attempts or manipulative instructions targeting the AI agent. The `package.json` lists no external dependencies, reducing supply chain risk. Minor version inconsistencies across files are not security-relevant.
能力评估
Purpose & Capability
Name, README, SKILL.md, package.json, and index.js all describe an email verification integration with api.mailcheck.dev and the code performs the described POSTs to /v1/verify, /v1/verify/bulk, and /v1/verify/auth. Functionality matches the stated purpose.
Instruction Scope
Runtime instructions only call the MailCheck API endpoints and accept parameters (email(s), headers, trusted_domains, api_key). They do not instruct the agent to read unrelated files, system credentials, or to call external endpoints other than api.mailcheck.dev.
Install Mechanism
There is no install spec (instruction-only in registry), but the package includes index.js and package.json — i.e., code will run on the agent platform. No external downloads or opaque installers are used. This is reasonable but the absence of an install spec should be noted by users who expect instruction-only skills.
Credentials
SKILL.md and index.js expect a MAILCHECK_API_KEY env var or an api_key parameter, but the registry metadata lists no required environment variables or primary credential. The skill legitimately needs an API key to function, so the metadata omission is an incoherence and could lead to confusion or accidental key exposure (examples show inline keys).
Persistence & Privilege
Skill is not marked always:true, does not request system-level config paths, and does not modify other skills. It runs as a normal (user-invocable / agent-invokable) skill.
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 mailcheck-email-verification - 安装完成后，直接呼叫该 Skill 的名称或使用
/mailcheck-email-verification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
v1.1.0
Updated with single/bulk verification commands and authenticity analysis
v1.0.0
Initial release: single email verification, bulk verification, and email authenticity analysis
元数据
常见问题
MailCheck Email Verification 是什么？
Email verification skill for MailCheck API - verify emails, bulk processing, authenticity analysis. 它是一个面向 Claude Code / OpenClaw 的 AI Agent Skill 插件，目前累计下载 330 次。
如何安装 MailCheck Email Verification？
在 OpenClaw 或 Claude Code 对话框中运行命令「/install mailcheck-email-verification」即可一键安装，无需额外配置。
MailCheck Email Verification 是免费的吗？
是的，MailCheck Email Verification 完全免费（开源免费），可自由下载、安装和使用。
MailCheck Email Verification 支持哪些平台？
MailCheck Email Verification 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 MailCheck Email Verification？
由 bnuyts（@bnuyts）开发并维护，当前版本 v1.1.0。
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