EM

Writes structured emails based on recipient, intent, and tone requirements.

Install

mkdir -p .claude/skills/email-composer && curl -L -o skill.zip "https://agentskills.codes/api/skills/download/36" && unzip -o skill.zip -d .claude/skills/email-composer && rm skill.zip

Installs to .claude/skills/email-composer

Activation

This is the description your AI agent reads to decide when to run this skill — the better it matches your request, the more reliably it fires.

Draft professional emails for various contexts including business, technical, and customer communication. Use when the user needs help writing emails or composing professional messages.
185 chars✓ has a “when” trigger
Beginner

Key capabilities

  • Draft professional emails for business and technical contexts
  • Structure emails with clear purpose and call to action
  • Adjust tone between formal, casual, and urgent
  • Apply email etiquette and formatting best practices

How it works

The skill uses a structured template approach to organize user-provided context into standard professional email formats.

Inputs & outputs

You give it
Recipient relationship, intent, key points, and desired tone
You get back
A structured, professional email draft

When to use email-composer

  • Drafting a project status update
  • Writing a request for information to a colleague
  • Composing a follow-up email for a proposal

About this skill

Email Composer

Quick start

Provide context and purpose, and I'll draft an appropriate email.

What I need:

  • Purpose of email (request, follow-up, announcement, etc.)
  • Recipient relationship (colleague, customer, manager, vendor)
  • Key points to include
  • Desired tone (formal, casual, urgent, friendly)

Email structure

Standard professional email format:

Subject: [Clear, specific subject line]

[Greeting],

[Opening - context/purpose]

[Body - main points]

[Closing - call to action]

[Sign-off]
[Your name]

Common email types

Request for information

Subject: Question about Q4 project timeline

Hi [Name],

I hope this email finds you well. I'm reaching out regarding the Q4 product launch timeline.

Could you provide an update on:
- Current progress on feature development
- Expected completion date for testing phase
- Any blockers or dependencies we should be aware of

This will help us coordinate with the marketing team for the launch materials.

Thanks in advance for your help!

Best regards,
[Your name]

Follow-up email

Subject: Following up: Proposal for new payment system

Hi [Name],

I wanted to follow up on the payment system proposal I sent last week. I understand you're busy, so I wanted to make sure it didn't get lost in your inbox.

To recap, the proposed system would:
- Reduce transaction fees by 30%
- Integrate with existing accounting software
- Improve customer checkout experience

I'd be happy to schedule a brief call to discuss any questions you might have.

Looking forward to hearing from you.

Best,
[Your name]

Technical update

Subject: API Maintenance Window - [Date]

Team,

This is a reminder that we'll be performing scheduled maintenance on our API infrastructure on [Date] from [Time] to [Time] [Timezone].

During this window:
- API endpoints will be unavailable
- Database will be upgraded to v14
- SSL certificates will be renewed

Expected downtime: 2 hours

What you need to do:
- Notify your users of the planned downtime
- Ensure retry logic is in place for API calls
- Monitor your application after maintenance completes

If you have any concerns or conflicts with this schedule, please let me know by [Date].

Technical details available in our status page: [link]

Thanks,
[Your name]

Customer support

Subject: Re: Issue with order #12345

Hi [Customer name],

Thank you for reaching out about your order. I'm sorry to hear you're experiencing this issue.

I've looked into your order (#12345) and found the following:

[Explanation of the issue]

To resolve this, I've:
- [Action taken 1]
- [Action taken 2]

You should see [expected outcome] within [timeframe].

If you continue to experience any problems, please don't hesitate to reply to this email or call us at [phone number].

We appreciate your patience and understanding.

Best regards,
[Your name]
Customer Support Team

Meeting request

Subject: Meeting request: Discuss database migration strategy

Hi [Name],

I'd like to schedule a meeting to discuss our approach for the upcoming database migration.

Agenda items:
- Review migration timeline and milestones
- Discuss rollback strategy
- Identify potential risks and mitigation plans
- Assign team responsibilities

Estimated duration: 45 minutes

I'm available:
- Monday 2-4 PM
- Wednesday 10 AM - 12 PM
- Friday 1-3 PM

Please let me know what works best for you, or feel free to suggest alternative times.

Best,
[Your name]

Tone guidelines

Formal tone

  • Use complete sentences
  • Avoid contractions
  • Professional language
  • Proper titles (Dr., Mr., Ms.)

Casual tone

  • Contractions acceptable
  • Conversational language
  • Still professional
  • First names

Urgent tone

  • Clear subject line with [URGENT] or [ACTION REQUIRED]
  • Bold key points
  • Explicit deadline
  • Direct call to action

Subject line best practices

Good subject lines:

  • "Action required: Submit timesheet by Friday"
  • "Q4 Sales Report - Review needed"
  • "Meeting rescheduled: Project kickoff now Thursday"
  • "Quick question about deployment process"

Bad subject lines:

  • "Update"
  • "Question"
  • "Hello"
  • "Following up"

Email etiquette

DO:

  • Respond within 24 hours (even if just to acknowledge)
  • Use clear, specific subject lines
  • Keep it concise
  • Proofread before sending
  • Include relevant context
  • Use bullet points for multiple items
  • End with clear call to action

DON'T:

  • Use ALL CAPS
  • Over-use exclamation marks!!!
  • Mark everything as urgent
  • Reply all unless necessary
  • Send when emotional
  • Include unnecessary recipients
  • Forget attachments mentioned in email

Templates by scenario

Decline request politely

Subject: Re: [Original subject]

Hi [Name],

Thank you for thinking of me for [request/opportunity].

Unfortunately, I won't be able to [participate/help/attend] due to [brief reason - optional]. However, I'd recommend [alternative suggestion if applicable].

I appreciate your understanding, and I hope we can collaborate on future opportunities.

Best regards,
[Your name]

Apologize for mistake

Subject: Apology and correction: [Issue]

Hi [Name],

I'm writing to apologize for [specific mistake]. This was an error on my part, and I take full responsibility.

To correct this:
- [Action 1 already taken]
- [Action 2 in progress]
- [Preventive measure for future]

I understand this may have caused [impact], and I'm committed to ensuring it doesn't happen again.

If you have any concerns or questions, please don't hesitate to reach out.

Sincerely,
[Your name]

Share good news

Subject: Great news: [Achievement/milestone]

Team,

I'm excited to share that we've [accomplished goal]!

This success is thanks to:
- [Team/person contribution 1]
- [Team/person contribution 2]

Impact:
- [Metric improvement]
- [Business benefit]

Thank you all for your hard work and dedication. Let's keep up the momentum!

Cheers,
[Your name]

Closing phrases by context

Formal:

  • Sincerely
  • Best regards
  • Respectfully
  • Cordially

Professional:

  • Best
  • Thanks
  • Kind regards
  • Regards

Casual:

  • Cheers
  • Thanks!
  • Talk soon
  • Best

Email composition checklist

  • Clear, specific subject line
  • Appropriate greeting
  • Purpose stated upfront
  • Key points organized with bullets/numbers
  • Clear call to action or next steps
  • Appropriate tone for audience
  • Proofread for typos
  • Attachments included (if mentioned)
  • Recipients correct (To, CC, BCC)
  • Professional signature

When not to use it

  • When the communication requires high-stakes legal or sensitive personal advice

Limitations

  • Requires user input for specific context and key points
  • Does not handle email sending or recipient management

How it compares

This provides a structured, context-aware draft rather than a generic template, ensuring specific points and tone are addressed.

Compared to similar skills

email-composer side by side with the closest alternatives in the catalog.

SkillInstallsUpdatedSafetyDifficulty
email-composer (this skill)1010moNo flagsBeginner
ppt-creator752moReviewIntermediate
voicemode82moReviewBeginner
campaign-orchestration610moNo flagsIntermediate

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