Check email deliverability and domain health via Mailgun Optimize (InboxReady)
Scanned 9/6/2026
Install to Claude Code
npx -y skills add sinch/sinch-plugins --skill sinch-email-mailgun-optimize --agent claude-codeInstalls into .claude/skills of the current project.
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---
name: sinch-email-mailgun-optimize
description: Check email deliverability and domain health via Mailgun Optimize (InboxReady)
---
# Mailgun Optimize (InboxReady)
Check email deliverability, blocklist status, and domain health using Mailgun Optimize (InboxReady). List monitored domains, check reputation, test inbox placement. Uses Basic Auth (api:API_KEY).
**IMPORTANT: Execute this command directly. Do NOT generate script files. Perform the API call immediately.**
## Input
- `--action` / `-a`: Action: list-domains, check-blocklist, health - optional, default list-domains
- `--domain` / `-d`: Domain to check (for blocklist/health) - optional
- `--format` / `-f`: Output format (table or json) - optional
Arguments: $ARGUMENTS
## Instructions
**Execute these steps directly - do not write code or scripts:**
0. If $ARGUMENTS empty: ask what to do (list monitored domains, check blocklist, check domain health). Otherwise parse.
1. Validate: --action, optional --domain. Get MAILGUN_API_KEY. Base: api.mailgun.net. If missing, report "Mailgun is not configured."
2. GET https://api.mailgun.net/v1/inboxready/domains (or relevant Optimize endpoint per action) with Basic Auth (api:API_KEY). For domain-specific checks use appropriate endpoint and --domain.
3. Display: list of domains, blocklist status, or health summary. "✅ Optimize results". Handle 401, 404.
4. Handle all errors gracefully.
## Examples
```
/sinch-email-mailgun-optimize
/sinch-email-mailgun-optimize --action=list-domains
/sinch-email-mailgun-optimize --action=check-blocklist --domain=mydomain.com
```
## API Reference
- **Endpoint**: GET /v1/inboxready/domains and other InboxReady endpoints
- **Auth**: Basic api:API_KEY
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