How to connect Snowflake to Claude Cowork

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Introduction

Cowork is Anthropic's AI agent for knowledge work. Think of it as Claude Code for everything else. It works autonomously with your computer, local files, and applications to accomplish complex tasks.

This guide walks you through the easiest and most secure way to connect your Snowflake account to Cowork via Composio Connect, enabling it to run a SQL query to list today's new users, cancel a long-running data import statement, show all unresolved incidents in Snowflake, and more such actions on your behalf without compromising your account security.

Also integrate Snowflake with

Connecting Snowflake to Claude Cowork

1. Open Customize

In Claude Desktop, click Customize in the left sidebar, then select Connectors and click the + icon at the top.

Claude Desktop connectors screen with Add custom connector selected

2. Add the Composio MCP server

Click Add custom connector and paste in the Composio MCP server URL:

bash
https://connect.composio.dev/mcp
Add custom connector dialog with Composio MCP server URL

3. Authorize in your browser

Click Connect. You'll be redirected to a browser window where you can authorize Composio to continue.

Composio authorization screen for Claude Cowork

4. Connect your Snowflake account

Back in Cowork, ask the agent to connect to Snowflake or give it any Snowflake-related task.

For example, ask Cowork to:

  • "Run a SQL query to list today's new users"
  • "Cancel a long-running data import statement"
  • "Show all unresolved incidents in Snowflake"

It will prompt you to authenticate and authorize access.

That's it. Composio's tools are now available in Cowork, and your Snowflake account is ready to use.

What is Claude Cowork?

Claude Cowork is Anthropic's agent for general knowledge work. It can use your computer, files, and connected applications to complete longer-running tasks across your work tools.

With Composio Connect, Cowork can securely access apps like Snowflake through MCP without you sharing account credentials directly with the agent.

What is the Snowflake MCP server, and what's possible with it?

The Snowflake MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Snowflake account. It provides structured and secure access to your cloud data warehouse, so your agent can run complex SQL queries, monitor system health, check scheduled maintenances, and manage incidents seamlessly—no manual intervention needed.

  • Automated SQL execution and data retrieval: Direct your agent to execute SQL statements and instantly fetch query results from your data warehouse.
  • Query management and cancellation: Have your agent monitor and cancel long-running or stuck SQL statements to keep your workflows running smoothly.
  • Maintenance and system status monitoring: Let your agent check for active, upcoming, or completed scheduled maintenances and get real-time updates on system components.
  • Incident detection and reporting: Enable your agent to retrieve unresolved incidents and receive summaries of any issues currently affecting your Snowflake environment.
  • Integration metadata access: Fetch details about catalog integrations and system status rollups so your agent can keep tabs on the overall health of your Snowflake setup.

Supported Tools & Triggers

Tools
Cancel Statement ExecutionCancels the execution of a running SQL statement.
Check Statement StatusRetrieves the status of a previously submitted SQL statement.
Execute SQLTool to execute a SQL statement and return the resulting data.
Fetch Catalog IntegrationFetches details of a specific catalog integration.
Get Active Scheduled MaintenancesRetrieves a list of any active scheduled maintenances currently in the In Progress or Verifying state.
Get All Scheduled MaintenancesRetrieves a list of the 50 most recent scheduled maintenances, including those in the Completed state.
Get Component StatusRetrieves the status of individual components, each listed with its current status.
Get Status RollupRetrieves the status rollup for the entire page, including indicators and human-readable descriptions of the blended component status.
Get Status SummaryRetrieves a summary of the status page, including status indicators, component statuses, unresolved incidents, and upcoming or in-progress scheduled maintenances.
Get Unresolved IncidentsRetrieves a list of any unresolved incidents currently in the Investigating, Identified, or Monitoring state.
Get Upcoming Scheduled MaintenancesRetrieves a list of any upcoming scheduled maintenances still in the Scheduled state.
Show DatabasesLists all databases for which you have access privileges.
Show SchemasLists all schemas for which you have access privileges.
Show TablesLists all tables for which you have access privileges.
Submit SQL StatementSubmits a SQL statement for execution.

Available tools and triggers

After setup, the supported Snowflake tools and triggers listed on this page are available to Cowork through Composio Connect.

You can now ask Cowork to handle Snowflake workflows in natural language, from quick summaries and drafting tasks to more complex multi-step work across connected apps.

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FAQ

What are the differences in Tool Router MCP and Snowflake MCP?

With a standalone Snowflake MCP server, the agents and LLMs can only access a fixed set of Snowflake tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Snowflake and many other apps based on the task at hand, all through a single MCP endpoint.

Can I use Tool Router MCP with Claude Cowork?

Yes, you can. Claude Cowork fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Snowflake tools.

Can I manage the permissions and scopes for Snowflake while using Tool Router?

Yes, absolutely. You can configure which Snowflake scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

How safe is my data with Composio Tool Router?

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Snowflake data and credentials are handled as safely as possible.

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