Comprehensive email management and marketing for any business type. Inbox triage with importance scoring and AI reply suggestions via Gmail or Outlook MCP. Email composition using proven copy frameworks (PAS, AIDA, BAB, FAB). Pre-send quality review scoring subject lines, copy, HTML rendering, dark mode compatibility, and compliance. Domain deliverability auditing with SPF/DKIM/DMARC validation, blacklist checks, and bulk sender compliance (Google/Yahoo/Microsoft 2024-2026 rules). Automation sequence design for welcome series, nurture, re-engagement, abandoned cart, and post-purchase flows. Email marketing strategy with industry-specific templates for local businesses, SaaS, e-commerce, creators, and agencies. Triggers on: "email", "inbox", "check email", "write email", "compose", "email audit", "deliverability", "SPF", "DKIM", "DMARC", "email sequence", "welcome series", "email plan", "email marketing", "subject line", "email review".
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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/agricidaniel/claude-email --skill email- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads email automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
SKILL.md
The instructions your agent reads when the skill is triggered.
Email -- Universal Email Management & Marketing Skill
Comprehensive email management across all business types (local services, SaaS, e-commerce, creators, agencies). Orchestrates 6 specialized sub-skills and 4 subagents.
Quick Reference
| Command | What it does |
|---|---|
/email | Interactive mode: detect context, show inbox summary or menu |
/email check | Inbox triage: scan, score importance, categorize, suggest replies |
/email write | Compose email: choose framework, generate subject + body + HTML |
/email review <email> | Pre-send quality check: score subject, copy, HTML, compliance |
/email audit <domain> | Deliverability audit: SPF/DKIM/DMARC, blacklists, compliance |
/email sequence <type> | Design automation: welcome, nurture, win-back, cart, custom |
/email plan <business> | Email marketing strategy with industry template |
Orchestration Logic
Interactive Mode (/email)
When invoked without arguments:
- Check for
email-profile.mdin project root - If missing, run first-time onboarding (see User Profile System below)
- If profile exists, detect available MCP servers (Gmail, Outlook, SendGrid)
- Show interactive menu with inbox summary if email MCP is available
Command Routing
For specific commands, load the relevant sub-skill directly:
/email check->skills/email-check/SKILL.md/email write->skills/email-write/SKILL.md/email review->skills/email-review/SKILL.md/email audit->skills/email-audit/SKILL.md/email sequence->skills/email-sequence/SKILL.md/email plan->skills/email-plan/SKILL.md
Audit Delegation
When the user invokes /email audit, delegate to subagents in parallel:
- Run
scripts/check_deliverability.pyfor DNS-based checks - Spawn subagents: email-deliverability, email-compliance
- Collect results and generate unified Email Health Score (0-100)
- Create prioritized fix list (Critical -> High -> Medium -> Low)
User Profile System
On first run, generate email-profile.md in the project root:
- Detect existing MCP configurations:
- Check for Gmail MCP tools (search_gmail_messages, send_gmail_message)
- Check for Outlook MCP tools (list-mail-messages, send-mail)
- Check for marketing MCPs (SendGrid, Mailchimp, Kit.com)
- Ask 4 setup questions:
- Business type: local business, SaaS, ecommerce, creator, agency, personal
- Primary email platform: Gmail, Outlook, other
- Compliance regions: US only, EU/GDPR, both
- Brand voice: professional, friendly, casual, authoritative
- Generate
email-profile.mdwith these settings - All sub-skills reference this profile to adapt recommendations
Profile-Driven Behavior
| Business Type | Emphasis |
|---|---|
| Local business | Review requests, appointment reminders, loyalty, seasonal promos |
| SaaS | Onboarding sequences, feature announcements, churn prevention, NPS |
| Ecommerce | Abandoned cart, post-purchase, promotional, cross-sell/upsell |
| Creator | Newsletter, community engagement, monetization, content teasers |
| Agency | Client communication, project updates, case studies, proposals |
| Personal | Inbox management, reply drafts, organization |
Quality Gates
Hard rules enforced across all sub-skills:
- Subject lines: 6-10 words / 30-50 characters
- Spam complaint rate must stay under 0.1% (hard limit: 0.3%)
- Bounce rate must stay under 2% (ideal: under 1%)
- HTML email total size under 102 KB (Gmail clips larger emails)
- Image-to-text ratio: minimum 60% text / 40% images
- Every marketing email must include unsubscribe mechanism
- Every marketing email must include physical postal address (CAN-SPAM)
- One-click unsubscribe headers required (RFC 8058) for bulk senders
- Honor unsubscribe requests within 2 business days
- Never send more than 20 emails per session without explicit approval
- Always show email draft for approval before sending
Reference Files
Load these on-demand as needed -- do NOT load all at startup:
references/deliverability-rules.md-- SPF/DKIM/DMARC validation, bulk sender rulesreferences/benchmarks.md-- KPI benchmarks by industry, scoring thresholdsreferences/compliance.md-- CAN-SPAM, GDPR, CCPA, RFC 8058 requirementsreferences/copy-frameworks.md-- PAS, AIDA, BAB, FAB, 4Ps with templatesreferences/technical-standards.md-- HTML rendering, dark mode, responsive designreferences/mcp-integration.md-- Setup guides for Gmail, Outlook, SendGrid, etc.
Scoring Methodology
Email Health Score (0-100) -- for /email audit
| Category | Weight |
|---|---|
| Authentication (SPF+DKIM+DMARC) | 40% |
| Blacklist Status | 20% |
| DNS Configuration | 15% |
| Compliance | 15% |
| TLS/Security | 10% |
Email Quality Score (0-100) -- for /email review
| Category | Weight |
|---|---|
| Subject Line | 25% |
| Copy Quality | 25% |
| Technical (HTML) | 20% |
| Deliverability Signals | 15% |
| Compliance | 15% |
Priority Levels
- Critical: Blocks delivery or causes blacklisting (immediate fix)
- High: Significantly impacts inbox placement (fix within 1 week)
- Medium: Optimization opportunity (fix within 1 month)
- Low: Nice to have (backlog)
Sub-Skills
This skill orchestrates 6 specialized sub-skills:
- email-check -- Inbox triage, importance scoring, reply suggestions
- email-write -- Email composition with copy frameworks and templates
- email-review -- Pre-send quality scoring (0-100)
- email-audit -- Domain deliverability audit (SPF/DKIM/DMARC, blacklists)
- email-sequence -- Automation sequence design (welcome, nurture, win-back)
- email-plan -- Email marketing strategy with industry templates
Subagents
For parallel analysis during audits:
email-deliverability-- SPF/DKIM/DMARC + blacklist + reputation checksemail-compliance-- CAN-SPAM/GDPR/CCPA compliance scanningemail-content-- Copy quality and framework adherence scoringemail-inbox-- Inbox categorization and importance scoring
MCP Integration
Detecting Available MCP Tools
Check for these tool patterns to determine available platforms:
- Gmail:
search_gmail_messages,send_gmail_message,get_gmail_message_content - Outlook:
list-mail-messages,send-mail,get-mail-message - SendGrid:
send_single_email,list_all_contacts,get_stats - Mailchimp:
get_campaigns,create_campaign,send_campaign - Kit.com:
kit_list_subscribers,kit_create_broadcast
If no email MCP is detected, inform the user and offer setup guidance
from references/mcp-integration.md.
FAQ
What does the email skill do?
Comprehensive email management and marketing for any business type. Inbox triage with importance scoring and AI reply suggestions via Gmail or Outlook MCP. Email composition using proven copy frameworks (PAS, AIDA, BAB, FAB). Pre-send quality review scoring subject lines, copy, HTML rendering, dark mode compatibility, and compliance. Domain deliverability auditing with SPF/DKIM/DMARC validation, blacklist checks, and bulk sender compliance (Google/Yahoo/Microsoft 2024-2026 rules). Automation sequence design for welcome series, nurture, re-engagement, abandoned cart, and post-purchase flows. Email marketing strategy with industry-specific templates for local businesses, SaaS, e-commerce, creators, and agencies. Triggers on: "email", "inbox", "check email", "write email", "compose", "email audit", "deliverability", "SPF", "DKIM", "DMARC", "email sequence", "welcome series", "email plan", "email marketing", "subject line", "email review".
How do I install email?
Run npx skills add https://github.com/agricidaniel/claude-email --skill email in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/email/ (personal) or .claude/skills/email/ (project).
Which AI agents can use email?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is email safe to install?
No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.
Who maintains email?
It is published by agricidaniel in agricidaniel/claude-email. It has 75 recorded installs.
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email-check
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email-audit
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email-sequence
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Designs complete email automation sequences with timing, subject lines, copy, and conditional logic. Supports welcome series, nurture campaigns, re-engagement, abandoned cart, post-purchase, review requests, and custom sequences. Adapts sequence type, cadence, frameworks, and conditional branching to business context. Use when user wants to create an automated email series triggered by subscriber actions or time intervals.
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Compose high-converting emails using proven copy frameworks (PAS, AIDA, BAB, FAB, 4Ps). Generates subject line variants with scores, responsive HTML templates with dark mode support, plain-text fallback, and preheader recommendations. Optimized for cold outreach, newsletters, product launches, promotions, and transactional emails. Adapts to user context from email-profile.md.
email-review
agricidaniel/claude-email
Pre-send email quality review and scoring across 5 dimensions (subject line, copy quality, technical/HTML, deliverability, compliance). Analyzes subject lines, body copy, HTML structure, spam triggers, and CAN-SPAM compliance. Scores 0-100 with detailed recommendations for improvement. Use when user wants to review an email before sending, check email quality, or validate marketing email best practices.
email-plan
agricidaniel/claude-email
Open the skill to read its SKILL.md instructions.
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