MCP Snowflake Server MCP Server

A Model Context Protocol (MCP) server implementation that provides database interaction with Snowflake. This server enables running SQL queries via

Local serverstdioPython

What is the MCP Snowflake Server MCP server?

Mcp snowflake server mcp server lets Claude, Cursor and other MCP clients work with MCP Snowflake Server directly. A Model Context Protocol (MCP) server implementation that provides database interaction with Snowflake. This server enables running SQL queries via tools and exposes data insights and schema context as resources.

What MCP Snowflake Server does

A Model Context Protocol (MCP) server implementation that provides database interaction with Snowflake. This server enables running SQL queries via tools and exposes data insights and schema context as resources.

Tools it exposes

Once connected, the assistant can call these 2 tools directly:

  • Resources — The Resources tool exposed by this server
  • Tools — The Tools tool exposed by this server

Installing the mcp snowflake server mcp server

The server is distributed via npm as @smithery/cli, so most clients can run it without a manual build step. Add it to your MCP client's configuration and restart the client to pick it up — the copy-paste configs for Claude Desktop, Claude Code and Cursor are on this page.

Configuration

Before the server will start you need to supply one environment variable: SNOWFLAKE_PRIVATE_KEY_PATH. Keep credentials in your client's env block or a secrets manager rather than committing them.

Where it fits

Database servers turn schema archaeology and ad-hoc reporting into conversation, which is why they tend to be the second or third server people install. MCP Snowflake Server sits in that group, and the shape of its toolset — Resources, Tools — tells you what it is really for. Worth comparing against the other databases servers in this directory before you commit to one, since several overlap in scope but differ sharply in setup cost and permissions.

Practical notes

  • This server runs locally, so it operates with whatever access your machine and its credentials already have. Scope that deliberately rather than by default.
  • It will not start until its required credentials are present, so set those before wondering why the tools never appear.
  • Maintained by isaacwasserman, written in Python.
  • MCP clients ask for confirmation before each tool call by default. Keep that on while you learn what the mcp snowflake server mcp server actually does with your data.
  • Every entry in this directory is reviewed by hand before it goes live, and details are checked against the project's own documentation.

Available tools

ToolWhat it does
ResourcesThe Resources tool exposed by this server.
ToolsThe Tools tool exposed by this server.

How to install the MCP Snowflake Server MCP server

#### TOML Configuration (Recommended)

```json
"mcpServers": {
  "snowflake_production": {
    "command": "uvx",
    "args": [
      "--python=3.12",
      "mcp_snowflake_server",
      "--connections-file", "/path/to/snowflake_connections.toml",
      "--connection-name", "production"
      // Optionally: "--allow_write"
      // Optionally: "--log_dir", "/absolute/path/to/logs"
      // Optionally: "--log_level", "DEBUG"/"INFO"/"WARNING"/"ERROR"/"CRITICAL"
      // Optionally: "--exclude_tools", "{tool_name}", ["{other_tool_name}"]
    ]
  },
  "snowflake_staging": {
    "command": "uvx",
    "args": [
      "--python=3.12",
      "mcp_snowflake_server",
      "--connections-file", "/path/to/snowflake_connections.toml",
      "--connection-name", "staging"
    ]
  }
}

Configuration as documented by the project. Restart the client after saving.

Configuration

VariableDescriptionRequired
SNOWFLAKE_PRIVATE_KEY_PATHCredential the server authenticates with.Yes

Example prompts to try

  • Use MCP Snowflake Server to Resources.
  • Use MCP Snowflake Server to Tools.

Frequently asked questions

It connects MCP Snowflake Server to MCP-compatible AI assistants such as Claude and Cursor, exposing 2 tools (Resources, Tools) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with MCP Snowflake Server directly.