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Sigma

Run SQL against Sigma data models or ask a workbook's agent directly.

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Tools

7 available tools

Search the tool definitions captured from the MCP server. The live list can vary with version, deployment, and credentials.

7 tools found.

  • Begin session

    Tool name: begin_session

    REQUIRED — You MUST call this tool before using any other Sigma tool in a conversation.

  • Call agent

    Tool name: call_agent

    Call a Sigma workbook agent with a message or conversation.

  • Describe

    Tool name: describe

    Inspect the schema of a Sigma data source.

  • List documents

    Tool name: list_documents

    Browse a named document collection in the Sigma workspace.

  • List workbook agents

    Tool name: list_workbook_agents

    List the workbook agents you can edit across your organization

  • Query

    Tool name: query

    Execute a SQL query against a Sigma data source and return the results.

  • Search

    Tool name: search

    Search across the entire Sigma workspace to discover workbooks, data models, data model elements, and tables.

Compatibility

Connect Sigma to the clients your teams already use

27 AI clients can connect to Sigma through Runlayer. Pick one for its setup steps and controls.

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Why Runlayer

Why connect Sigma through Runlayer?

One approved path

Approve Sigma once and everyone gets it in the AI clients they already use. Runlayer holds the credentials, so nothing sits in client configuration.

Fine-grained policy

Control who can use each server, tool, and resource, and under which runtime conditions.

Runtime security

Scan tool inputs and outputs for prompt injection, credential exposure, PII, and data exfiltration, then alert, mask, or block.

Audit and observability

Trace every request across users, clients, tools, policies, scanner decisions, and downstream systems.

Frequently asked questions