Cristoirmac Sparkpost Deliverability Marketplace
- Updated June 3, 2026
- cristoirmac/sparkpost-deliverability
cristoirmac-sparkpost-deliverability is a Claude Code skill that investigates SparkPost email deliverability so developers can diagnose bounces, auth failures, and reputation issues with graded internal briefs.
About
cristoirmac-sparkpost-deliverability is a Claude Code marketplace skill for investigating email deliverability on SaaS platforms that send through SparkPost. It combines live SparkPost metrics, DNS authentication checks, application log correlation, and blocklist probes into advisor-style briefs labeled FACT or HYPOTHESIS. Use it when deliverability drifts for a customer domain, shared pool, or the whole account and you need structured internal analysis—not customer-facing reports.
- Account-wide, domain, and IP-pool investigation modes
- 7d/30d/90d metric windows with cohort comparison
- DNS auth audit using SparkPost API DKIM selector truth
- Fact vs hypothesis grading and optional persistent readouts
Cristoirmac Sparkpost Deliverability by the numbers
- Data as of Aug 10, 2026 (Skillselion catalog sync)
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| Last updated | June 3, 2026 |
|---|---|
| Repository | cristoirmac/sparkpost-deliverability ↗ |
Why is deliverability dropping for this SparkPost domain or pool, and is it customer-specific or shared infrastructure?
Investigates SparkPost email deliverability with metrics, DNS auth checks, log correlation, and fact-graded advisor briefs.
Who is it for?
Platform engineers operating SparkPost at scale who need metrics, DNS auth, log correlation, and blocklist probes in one investigation.
Skip if: Teams not on SparkPost, customer-facing report generation, or active incident response that should follow a separate runbook.
What you get
An internal advisor brief with FACT/HYPOTHESIS labels, metric comparisons, DNS audit results, and recommended next probes.
Plugins in this marketplace
1 plugin - install individually after you add the marketplace.
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What credentials are required?
A SparkPost API key with Metrics Read and Sending Domains Read/Write scopes, stored via macOS Keychain by default.
Can it run on first use without setup?
It offers a short interview to customize logging tool, docs system, and platform conventions, rewriting SKILL.md in place.
Is output safe to send to customers?
No. Briefs use internal language; customer-facing reports require rewriting by CSM or account management.