Works with the AI tools you already use
Claude Code
Cursor
Codex CLI
Muse
OpenClaw+21 moreClaude CodeCursorCodex CLIMuseOpenClaw
Manus
Grok
Grok Bot+18 agentsConverting Email Templates
Migrate legacy email templates from SendGrid, Mailgun, and others to Mailtrap-compatible Handlebars syntax.
Free
converting-email-templates
Example session with this skill installed
I need to migrate 15 SendGrid templates from the /old-emails folder to Mailtrap. Convert them and save the results in a new /mailtrap-templates directory.
- Read your context and instructions
- Compiled the converting-email-templates
Bulk migration complete: 15 files processed.
- Clean: 12
- Needs review: 3 (Flagged: dynamic comparison logic)
Output: /mailtrap-templates
Summary: Converted {{user.first_name}} and {{#if}} blocks.
Reminder: Update your SendGrid 'dynamic_template_data' to Mailtrap 'template_variables'.
Connects securely to your tools. The creator never sees your data.
About this skill
Automates conversion of email HTML templates from six major ESPs to Mailtrap-compatible Handlebars syntax. Runs a bundled Python converter script for deterministic pattern replacements, then applies LLM judgment for complex edge cases. Handles single files, bulk directory conversion, or inline HTML pasted in chat. Generates a detailed report of changes made and flags any patterns that require app-layer code changes. Includes API field mapping reminders so the sending integration is updated alongside the template.
How to install
Works the same in every agent - Claude, Cursor, Codex, Copilot and 20+ more.
- 1
Download the ZIP
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- 2
Unzip into your skills folder
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- 3
Ask your agent to use it
Restart the agent if it was already running. It picks the skill up automatically - no config needed.
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Click the path to copy it. Create the folder if it does not exist yet.
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