# S Curvelabs Letin MCP server

Source: https://glimind.com/server/mcp-registry%2Fio.github.s-curvelabs%2Fletin
Registry id: `mcp-registry/io.github.s-curvelabs/letin`
Status: unknown

## Install

```json
{
  "mcpServers": {
    "s-curvelabs-letin-mcp-server": {
      "command": "uvx",
      "args": [
        "letin"
      ]
    }
  }
}
```

Claude Code:

```sh
claude mcp add s-curvelabs-letin-mcp-server -- uvx letin
```

## Tools (31)

- `apply_transform`: Apply a transform action to a query.
- `copy_queries`: Copy queries with dependencies.
- `delete_query`: Delete a query.
- `dependency_graph`: Get dependency graph as JSON or Mermaid.
- `diff_queries`: Show differences between queries.
- `evaluate_m`: Evaluate any M expression.
- `evaluate_query`: Evaluate a query up to a step.
- `evaluate_steps`: Evaluate every step of a query.
- `export_queries`: Export queries to .pq files.
- `extract_parameter`: Extract a value into a parameter.
- `find_in_queries`: Search for text across all queries.
- `format_m`: Format M code.
- `format_queries`: Format all queries in source.
- `get_query`: Get details of a specific query.
- `import_queries`: Import queries from .pq files.
- `lint_queries`: Lint queries for performance issues.
- `list_data_sources`: List data sources used by queries.
- `list_queries`: List all queries in the source.
- `list_snapshots`: List available snapshots.
- `list_sources`: List available data sources.
- `list_transforms`: List available transform actions.
- `m_function_help`: Get help for M functions.
- `preview_query`: Preview query results.
- `refresh_query`: Refresh a query in Excel.
- `remove_step`: Remove a step from a query.
- `rename_query`: Rename a query safely.
- `rename_step`: Rename a step safely.
- `replace_in_queries`: Replace text in queries.
- `restore_snapshot`: Restore a previous snapshot.
- `set_query`: Set the M code of a query.
- `validate_m`: Validate M syntax and semantics.

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