Server data from the Official MCP Registry
Inspect, refactor, lint, run and version Power Query (M) in Excel workbooks and Power BI projects.
About
Inspect, refactor, lint, run and version Power Query (M) in Excel workbooks and Power BI projects.
Security Report
letin is a well-designed MCP server for Power Query management with appropriate security controls and permissions. The codebase is clean and well-structured, with proper input validation and error handling for its M language parsing and query manipulation operations. Permissions match the stated purpose (file I/O, Excel COM, environment access). One low-severity issue involving snapshot paths and a minor input validation edge case were identified, but they do not significantly impact security. Supply chain analysis found 5 known vulnerabilities in dependencies (0 critical, 5 high severity). Package verification found 1 issue.
4 files analyzed · 10 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
What You'll Need
Set these up before or after installing:
Environment variable: LETIN_HOME
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-s-curvelabs-letin": {
"env": {
"LETIN_HOME": "your-letin-home-here"
},
"args": [
"letin"
],
"command": "uvx"
}
}
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