create-rule
Create Cursor rules for persistent AI guidance. Use when the user wants to create a rule, add coding standards, set up project…
@coco-researchInstall SkillDevelopment
Skill
/email-security
Use for authorized email security review including phishing analysis, header authentication (SPF/DKIM/DMARC), BEC patterns, and mailbox token abuse research.
Claude Code
$ npx -y skills add coco-research/coco --skill email-security --agent claude-code
Codex
$ npx skills add coco-research/coco --skill email-security -a codex -y
Cursor
$ npx skills add coco-research/coco --skill email-security -a cursor -y
Gemini CLI
$ npx skills add coco-research/coco --skill email-security -a gemini-cli -y
GitHub Copilot
$ npx skills add coco-research/coco --skill email-security -a github-copilot -y
OpenCode
$ npx skills add coco-research/coco --skill email-security -a opencode -y
Windsurf
$ npx skills add coco-research/coco --skill email-security -a windsurf -y
SKILL.md
email-security.SKILL.mdname: email-security description: Use for authorized email security review including phishing analysis, header authentication (SPF/DKIM/DMARC), BEC patterns, and mailbox token abuse research. user-invocable: true
Email Security & Phishing Analysis
适用场景
- 钓鱼邮件拆解与 IOC
- SPF/DKIM/DMARC 配置评估
- BEC 商务邮件欺诈模式
- OAuth 应用钓鱼 / 邮箱令牌滥用（联合 llm/cloud 身份）
- 安全意识演练设计（授权）
工作流
□ 完整原始头：Received 链、From/Return-Path 一致性 □ SPF/DKIM/DMARC 对齐结果 □ URL 沙箱与附件静态（联合 malware-analysis） □ 仿冒品牌与回复地址差异 □ 租户：反钓鱼策略、外部标记、MFA、OAuth app 同意
工具链
| 工具 | 用途 | |------|------| | 邮件客户端「查看源」 | 头 | | dig/nslookup | SPF/DMARC 记录 | | urlscan / 沙箱 | 链接与附件 | | 租户管理中心 | 策略 |
参考
- `references/email-auth-checklist.md`
- `../malware-analysis/` `../attack-chain/`（钓鱼阶段） `../windows-ad/`（令牌）
Ships withcoco
495 personas across 13 departments, 229 skills[^installed] and 388 commands in the full catalog (coco 1.9.0, 2026-10-21). Agent skills, slash commands and subagents for Claude Code, Cursor, Codex and other AI coding agents.
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Questions about email-security.
- Which coding agents can use email-security?
- email-security installs in Claude Code, Codex, Cursor, Gemini CLI, GitHub Copilot, OpenCode and Windsurf with the skills CLI, using each agent's flag shown on this page. Flowy's auto-invocation, which fires a skill when your prompt matches, runs in Claude Code only.