Jörn Berkefeld
Senior Salesforce Technical Architect & Open-Source Tooling Author
I build developer tooling for Salesforce Marketing Cloud — CLIs, VS Code extensions, linters, formatters, language intelligence, and reference documentation used by SFMC developers worldwide.
Websites
SFMC DevTools
Retrieve, deploy, and manage SFMC metadata as code — the de-facto CI/CD toolchain for Marketing Cloud.
Command-line tool to manage Salesforce Marketing Cloud metadata across business units — retrieve, deploy, and version everything as code.
A graphical VS Code interface for mcdev — retrieve and deploy SFMC metadata without touching the command line.
SFMC Data Loader
Bulk import and export of Data Extension records for Salesforce Marketing Cloud.
CLI to bulk load and extract Data Extension rows in Salesforce Marketing Cloud, built for automation.
Load and export Data Extension records directly from the VS Code editor.
A cross-platform desktop application for bulk Data Extension imports and exports.
Language Intelligence & AI
Editor smarts and AI integration for AMPscript and SSJS.
Syntax highlighting, autocompletion, hover docs, and diagnostics for AMPscript and SSJS in VS Code — powered by ssjs.guide.
A Model Context Protocol server that gives AI assistants deep, accurate knowledge of SFMC AMPscript and SSJS.
Linting & Formatting
Keep SFMC and email code clean, consistent, and error-free.
ESLint rules for AMPscript and SSJS that catch SFMC-specific mistakes before they ship — powered by ssjs.guide.
ESLint rules for HTML email — Outlook (MSO) conditional comments, VML, and layout-table pitfalls.
A Prettier plugin that formats AMPscript and SSJS consistently — powered by ssjs.guide.
The original SSJS ESLint config — now superseded by eslint-plugin-sfmc.
Extension Packs
One-click bundles that install my full SFMC toolset in VS Code.
The essential SFMC extensions bundled together for a ready-to-go Marketing Cloud development setup.
The full toolset — every SFMC extension plus complementary editor tooling for power users.
More VS Code Extensions
Hover translations and completion snippets for Outlook (MSO) conditional comments in HTML email.
Preview Markdown in VS Code the way Bitbucket renders it, for accurate InnerSource documentation.