Email Deliverability Skill

Inbox diagnostics lab ยท emaildeliverabilityskill.com

Triage deliverability with evidence, not superstition.

A deliverability skill for agents inspecting authentication, reputation signals, complaint spikes, warmup plans, and remediation boundaries.

Install skillOpen markdown
6signal groups
24htriage window
0DNS changes without approval

Operating model

Deliverability pages often sound mystical. This one makes the skill feel like a lab: signals, thresholds, risks, and explicit approval boundaries.

Best forTeams diagnosing inbox placement or sender reputation issues
Primary artifactEvidence-backed remediation checklist
Stop conditionAny DNS, suppression, or sending-volume change

Where it helps

Three concrete jobs this skill is built to handle.

DNS/authentication audits

Check SPF, DKIM, DMARC, alignment, and ownership before recommending action.

Warmup plans

Build staged volume and audience guidance with stop rules.

Complaint spike triage

Separate list quality, content, cadence, and sender reputation factors.

Install

One command, agent-ready context.

Use the bare skill name in Codex, Hermes, OpenClaw, Claude Code, Cowork, Goose, Cursor, Windsurf, and similar skill-aware environments.

npx skills add emaildeliverabilityskill

Agent resources

Machine-readable paths are published beside the landing page.

Markdown index/index.mdSkill discovery JSON/.well-known/skills/index.jsonRaw SKILL.md/skills/emaildeliverabilityskill/SKILL.mdLong-form guides/articles/

Guides

Long-form references for deeper operator context.

Agent-ready strategyPlan the operating context before the agent drafts.Operations playbookUse structured QA, evidence, and handoff patterns.Audit checklistReview prompt-to-production risks before action.