Independent trust grade B+ (89/100). Static analysis of npm package mcp-server-sfmc@2.9.0 (stdio server — no remote endpoint). Reliability/behavioral signals require running it; not measured. wmcp.sh continuously watches npm:mcp-server-sfmc for tool drift and rug-pulls. The grade is free and identical whether or not the operator pays.
validate_ampscriptValidate AMPscript code for syntax errors, unknown functions, arity mismatches, and style issues.
validate_ssjsValidate SSJS (Server-Side JavaScript) code for unsupported ES6+ syntax, missing Platform.Load,
validate_sfmc_htmlValidate an HTML file that contains embedded AMPscript and/or SSJS blocks.
lookup_ampscript_functionLook up the signature, parameters, description, and examples for an AMPscript function by name.
list_ampscript_functionsList all AMPscript functions, optionally filtered by category and/or target platform.
validate_handlebarsValidate Marketing Cloud Next (MCN) Handlebars template code.
lookup_handlebars_helperLook up the signature, parameters, description, and origin for a Marketing Cloud Next
list_handlebars_helpersList all Marketing Cloud Next Handlebars helpers, optionally filtered by category
lookup_ssjs_functionAuthoritative lookup (sourced ONLY from the LSP + ssjs-data) for anything you want to use in SSJS.
review_changeReview a code diff for SFMC (AMPscript, SSJS, or HTML) quality issues.
suggest_fixGenerate a corrected version of SFMC code based on validation diagnostics.
get_ampscript_completionsReturn a list of AMPscript function names, keywords, and variable names available at a given position in the code.
get_ssjs_completionsReturn a list of SSJS Platform functions, WSProxy methods, and other SFMC-specific identifiers available for completion.
get_handlebars_completionsReturn Marketing Cloud Next (MCN) Handlebars helper completions with snippet insert text.
format_sfmc_codeApply basic formatting conventions to AMPscript, SSJS, or Marketing Cloud Next (MCN)
detect_sfmc_platformDetect the target SFMC platform for a project by checking for sentinel files.
search_mcn_helpSearch bundled Marketing Cloud Next developer API documentation.
search_helpUnified help search that automatically detects the target platform (MCE or MCN) from the project
We re-grade npm:mcp-server-sfmc on a schedule and alert your Slack/webhook the moment its tools change or its grade drops — rug-pull insurance for the connection.
Add the wmcp.sh trust oracle as an MCP server and call grade_mcp_server / check_mcp_drift in your agent's pre-connection gate:
https://wmcp.sh/mcp/trust
readOnly vs observed behavior) layer on via the wmcp.sh proxy.