Agent skill · Dev tools · mailtrap

converting-email-templates agent skill by mailtrap

Converts email templates from providers such as SendGrid, Mailgun, Postmark, and Amazon SES into Mailtrap-compatible Handlebars syntax, singly or in bulk.

View on GitHub Read SKILL.md

At a glance

PublisherMailtrap Official
Repositorymailtrap/mailtrap-skills (7 listed skills)
CategoryDeveloper Tools and Frameworks
LicenseMIT
Last commitOctober 7, 2026 (repository)
SKILL.md137 lines, 978 words
Bundled files12 files, including references, scripts
Quality score85/100 · B Passes all seven graded checks
Security scanNot scanned
README badgeGet the badges for this listing

Before you install

Read from the skill's files at the directory's October 19, 2026 snapshot: what ships with it, what its code reads, and the terms it is published under.

Install converting-email-templates

The skills CLI works with Claude Code, Codex, Cursor and other agents; the other routes copy the folder by hand.

Skills CLI
npx skills add https://github.com/mailtrap/mailtrap-skills/tree/main/skills/converting-email-templates
Claude Code, project-level copy
tmp="$(mktemp -d)"
git clone --depth 1 https://github.com/mailtrap/mailtrap-skills.git "$tmp/repo"
mkdir -p .claude/skills
cp -R "$tmp/repo/"skills/converting-email-templates .claude/skills/
rm -rf "$tmp"
Codex installer
python3 ~/.codex/skills/.system/skill-installer/scripts/install-skill-from-github.py \
    --repo mailtrap/mailtrap-skills \
    --path skills/converting-email-templates

mailtrap/mailtrap-skills is third-party code. Read SKILL.md and any bundled scripts before you install it.

How the author describes it

Use when converting or migrating email templates from another provider (SendGrid, Mailgun, Mandrill, Postmark, Brevo, Amazon SES) to Mailtrap-compatible Handlebars syntax. Supports single file, bulk directory, and inline HTML conversion.

From the description field of SKILL.md. Agents read this line to decide when to load the skill.

Sections in SKILL.md

Files in the skill folder

Suede Skill Check: 85/100 · B

Report snapshot · · graded-v2

The rubric totals 100 points; published scores are capped at 99. Security scan: not scanned.

Source revision: 2c95794d19d1. Report version 465d8efe8939. Badge URLs follow the latest listing; save the report to keep this version.

Download report · Request a fresh review

What to review next

  • Boundary clause: 0 of 4 points. 4 when the description says when not to use the skill (“Not for …”, “Do not use …”, “Use … instead”).
  • Example request: 0 of 3 points. 3 when the description quotes an example request (3–60 characters in quotation marks).
  • Tool permissions declared: 0 of 2 points. 2 when the frontmatter declares allowed-tools.

Add declarations and bundled files when they describe the skill’s actual needs. Update the source, then request a fresh review with the changed commit or PR.

converting-email-templates passes the required frontmatter check and all seven graded checks, which cover the SKILL.md format, a declared license and a commit in the last year. Those checks earn 56 of the score’s points; the rest come from description quality, instruction depth, bundled files, maintenance and curated-list citations. How the score works.

See the checks and points
CheckResult
Frontmatter parses and declares a name and a descriptionPass
Name uses lowercase letters, digits and hyphens, 64 characters or fewerPass
Name matches the skill's folder namePass
Description is between 50 and 1,024 charactersPass
Description says when an agent should use the skillPass
SKILL.md body is 500 lines or fewerPass
A license is declared in the frontmatter or the repositoryPass
Repository has a commit in the last 12 monthsPass
Score componentPoints
Structural checks56 of 56
Description length5 of 5
Boundary clause0 of 4
Example request0 of 3
Instruction depth7 of 7
Reference files3 of 3
Bundled scripts2 of 2
Recent maintenance9 of 9
Curated-list citations3 of 7
Tool permissions declared0 of 2
Compatibility declared0 of 2

Two badges for converting-email-templates

Suede Skill Check: 85/100Suede Skill Check: Grade B

Choose the numeric badge, the letter badge, or both. Each links to this skill’s Suede listing; either valid linked badge can qualify for the feature offer.

Markdown
[![Suede Skill Check: 85/100](https://skills.suedeai.ai/directory/mailtrap/mailtrap-skills/converting-email-templates/score.svg)](https://skills.suedeai.ai/directory/mailtrap/mailtrap-skills/converting-email-templates/)
[![Suede Skill Check: Grade B](https://skills.suedeai.ai/directory/mailtrap/mailtrap-skills/converting-email-templates/badge.svg)](https://skills.suedeai.ai/directory/mailtrap/mailtrap-skills/converting-email-templates/)
HTML
<a href="https://skills.suedeai.ai/directory/mailtrap/mailtrap-skills/converting-email-templates/"><img src="https://skills.suedeai.ai/directory/mailtrap/mailtrap-skills/converting-email-templates/score.svg" alt="Suede Skill Check: 85/100" width="160" height="175"></a>
<a href="https://skills.suedeai.ai/directory/mailtrap/mailtrap-skills/converting-email-templates/"><img src="https://skills.suedeai.ai/directory/mailtrap/mailtrap-skills/converting-email-templates/badge.svg" alt="Suede Skill Check: Grade B" width="160" height="175"></a>

Suede Certified on the shield refers to this published structural quality check. Security scan: not scanned. Read the methodology.

Limited-time feature offer: display either the numeric or letter badge in your repository or skill README (both also qualify), then request badge verification. Eligible skills scoring 80–99 can receive a featured placement after Suede verifies at least one valid badge linked to the skill’s listing. Suede has not announced an end date.

Where this skill is cited

mailtrap/mailtrap-skills appears in 2 curated lists: BehiSecc/awesome-claude-skills, VoltAgent/awesome-agent-skills.

All developer tools and frameworks skills

More from mailtrap/mailtrap-skills

All 7 skills in mailtrap/mailtrap-skills