Summary
Email templates break in subtle ways that unit tests miss. This uses Verify to snapshot the full rendered HTML of your email templates, so when something changes, you get a visual diff instead of a cryptic assertion failure. Works with MJML or any email renderer. You write a test that renders a template with sample variables, and Verify captures the HTML as a baseline. Next time it runs, any difference fails the build until you review and accept it. The real win is catching regressions during code review when someone tweaks a layout or variable substitution. Pair it with a diff tool or just open the HTML in a browser to see what actually changed.
Install to Claude Code
npx -y skills add aaronontheweb/dotnet-skills --skill verify-email-snapshots --agent claude-codeInstalls into .claude/skills of the current project.
Plug Mailtrap into your AI workflow and let it handle the email.
Connect Mailtrap MCP →
Agent, run crypto. Access onchain data & trade routes via 1inch.
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Make coding agent sessions - Searchable, Shareable, Vendor-neutral & Scored.
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Your agent targets a perfect 10 Code Health score. Deterministic. Every commit.
Try For Free →
Integrate web data into your AI product. One API to scrape website & brand data.
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belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
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Files
SKILL.md
Select a file.
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Plug Mailtrap into your AI workflow and let it handle the email.
Connect Mailtrap MCP →Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →Make coding agent sessions - Searchable, Shareable, Vendor-neutral & Scored.
Try For Free →Your agent targets a perfect 10 Code Health score. Deterministic. Every commit.
Try For Free →Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →
