Clean Validate
Verify and validate emails and phone numbers, manage bounce rates, and maintain list hygiene schedules.
git clone https://github.com/Cold-IQ/ColdIQ-s-GTM-Skills.gitDescription
Verify and validate emails and phone numbers, manage bounce rates, and maintain list hygiene schedules. Use when user asks about "email verification", "validate emails", "bounce rate", "ZeroBounce", "NeverBounce", "list hygiene", "data decay", "deliverability", "catch-all emails", "spam traps", "re-verify", "phone validation". Do NOT use for deduplication (use deduplicate) or finding new contac...
What this skill does
- 1Verifies email addresses against 5 tool options (ZeroBounce, NeverBounce, Findymail, MillionVerifier, Bouncer) matched to volume and budget.
- 2Categorizes results into actionable buckets — valid, invalid, catch-all, disposable, role-based, toxic — with a clear action per category.
- 3Enforces a list hygiene schedule: verify before every campaign, re-verify catch-alls monthly, full refresh quarterly.
- 4Applies data decay rates (email decays 22-30% annually) to flag lists older than 30 days for re-verification.
- 5Provides a bounce handling workflow with retry logic and automatic suppression list updates.
When to use
- Your bounce rate is above 1% and you need to stop campaigns and diagnose the source.
- You are about to send a campaign from a list built more than 30 days ago.
- You want to pick the right verification tool for your volume and budget.
- You are setting up a recurring hygiene process for an outbound team sending at scale.
Tools used
Best for
Format
Frequently asked questions
What is Clean Validate?
Clean Validate is a Claude Code skill for sourcing by Sacha Ranasinghe (ColdIQ). Verify and validate emails and phone numbers, manage bounce rates, and maintain list hygiene schedules.
When should I use Clean Validate?
Your bounce rate is above 1% and you need to stop campaigns and diagnose the source. You are about to send a campaign from a list built more than 30 days ago.
How do I install Clean Validate?
Run the install command (git clone https://github.com/Cold-IQ/ColdIQ-s-GTM-Skills.git). Once the skill is in place, Claude Code loads it automatically whenever a task matches what it does.
Is Clean Validate free to use?
The source is public on GitHub (Cold-IQ/ColdIQ-s-GTM-Skills), but the repository has no open-source license, so reuse rights stay with the author.