letin: Power Query (M) MCP Server
by s-curvelabsio.github.S-CurveLabs/letinv0.2.0
Inspect, refactor, lint, run and version Power Query (M) in Excel workbooks and Power BI projects.
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Active18d ago
Install letin: Power Query (M) MCP server
Install in Claude Code
claude mcp add letin -- uvx letinInstall in Cursor
{
"mcpServers": {
"letin": {
"command": "uvx",
"args": [
"letin"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"letin": {
"command": "uvx",
"args": [
"letin"
]
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"letin": {
"type": "stdio",
"command": "uvx",
"args": [
"letin"
]
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"letin": {
"command": "uvx",
"args": [
"letin"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| LETIN_HOME | — | — | Folder for query snapshots. Defaults to %LOCALAPPDATA%\letin. |
Freshness
Active — last maintenance signal 18d ago. The newest of the signals below sets the band.
Last commit (default branch)
no data · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-09-22 · 18d ago · official registry · v0.2.0
FAQ
›How do I install the letin: Power Query (M) MCP server in Claude Code?
Run: claude mcp add letin -- uvx letin. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does letin: Power Query (M) require an API key?
No required environment variables are declared in its published metadata.
›Can I use letin: Power Query (M) as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is letin: Power Query (M) in the official MCP registry?
Yes, as io.github.S-CurveLabs/letin.
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