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Deliverability Checker

Reviews an email for spam triggers and deliverability best practices.

Creator / Emailcreatoremail
by AgentVoltv1.0.0Published 1y ago1 install
Free to sign up · every skill included with AgentVolt Pro

Before & after

Same prompt, same agent — the only difference is the skill.

Prompt“Check this email before I send it to my entire subscriber list”
Beforegeneric AI agent
Let me look at your email for you. I'll check it for common issues that might make it spam or look unprofessional. The main things to watch for are spam words, layout problems, and authentication headers. You should also make sure your links work and that the email looks good on mobile. It's helpful to test it in a few email clients if possible. If everything looks okay, you should be good to send. Let me review it and get back to you with any issues I spot.
Afterwith Deliverability Checker
DELIVERABILITY AUDIT

SPAM TRIGGER SCAN
⚠ HIGH RISK: "Limited time offer" (appears 3x)→ tone down to 1 mention
⚠ MEDIUM RISK: 4 links above fold → move 1 to footer
✓ Low risk: CTA button text OK ("Learn more" is soft)
✓ Sender address authenticated (SPF, DKIM, DMARC all pass)

BRAND VOICE CHECK
✓ Matches your established tone (conversational, helpful)
✓ No template language detected
✗ One subject line phrase contradicts previous email voice (generic vs personal)
→ Recommendation: "Hi Sarah, quick update on dashboard features" (instead of "Dashboard Update")

TECHNICAL COMPLIANCE
✓ From address: noreply@yourdomain.com (list authenticated)
✓ List-Unsubscribe header: present
✓ ALT text: all images tagged
✓ Mobile rendering: 6/10 (text cramped on iPhone SE)
→ Fix: increase font size from 12px to 14px minimum

ESPREDICTION
• Estimated inbox placement: 94% (deliverability score)
• ISP confidence: Gmail 98%, Outlook 89%, Yahoo 92%
• Recommendation: Send sample to 3 test addresses before bulk send

About this skill

name: email-deliverability description: Use when Reviews an email for spam triggers and deliverability best practices.

Deliverability Checker

AgentVolt-original skill. Reviews an email for spam triggers and deliverability best practices. Reads your brand voice and goals first, then applies a repeatable workflow so output stays on-brand and consistent.

What you get

  • Proprietary AgentVolt skill
  • installs into Claude and works alongside your other creator and business skills.

Customize your output

  • Feed it your brand voice, niche, and examples
  • adapt the output to your platforms and offers.

Example output

Triggered on a matching task; chains with the other AgentVolt skills into a full workflow.

Best for

Creators, solopreneurs, freelancers, and small teams.

SKILL.md preview

SKILL.md
---
name: email-deliverability
description: Use this skill when reviewing an email for spam triggers and deliverability risk before it gets sent.
version: 1.0.0
category: Creator / Email
author: AgentVolt
license: proprietary
tags:
  - creator
  - email
  - flagship
  - agentvolt
---

# Deliverability Checker

Reviews a drafted email for the specific signals that trigger spam filters or hurt sender reputation, and returns concrete fixes before send.

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