SFMC Language Service
VS Code / Cursor extension for AMPscript, SSJS, Handlebars, and SFMC HTML — completions, hover, diagnostics, snippets.
Engagement
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Brings language intelligence to Engagement and Marketing Cloud Next content: syntax highlighting, completions, hover docs, diagnostics, and MCP wiring via mcp-server-sfmc.
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Read the deep-dive: Why the SFMC Language Service Is Great on Its Own….