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DimensionMCP Server MotherduckSQL analytics and data engineering for AI Assistants and IDEsDBHubBytebase's official, minimalist two-tool database MCP server
FMRS60 / 100 · C74 / 100 · B
Reliability7 / 2013 / 20
Security and permissions13 / 2013 / 20
Maintenance12 / 2016 / 20
Documentation15 / 2015 / 20
Setup experience13 / 2017 / 20
Best for
  • Data scientists and analysts needing SQL analytics on local or remote databases
  • Developers wanting AI-assisted data engineering within IDEs
  • Teams needing to quickly explore DuckDB files
  • Users who want to incorporate MotherDuck cloud capabilities
  • Scenarios wanting the smallest possible tool count and lowest context-window overhead for database access
  • Cases needing to grant non-technical teammates safe, read-only database access
Not for
  • Users who want a fully managed remote MCP service without local installation
  • Production environments with strict security requirements (default read-only mode still allows local filesystem access)
  • Third-party access without additional security configurations
  • Scenarios needing database administration operations (creating indexes, altering schema) rather than just querying (DBHub is positioned as a query tool, not a DBA management tool)
Required permissions
  • Access to local filesystem (to read DuckDB files or export data)
  • Reads environment variables for MotherDuck tokens and AWS credentials
  • Executes SQL queries in read-only mode by default; write access must be explicitly enabled
  • Optionally switches database connections at runtime (requires --allow-switch-databases)
  • Requires a database connection string (DSN), which may contain sensitive credentials
  • execute_sql can run arbitrary SQL (including writes) by default — must be constrained via read-only mode or the underlying database account's own permissions
Risks and side effects
  • If write mode is enabled, data in databases could be modified or deleted
  • By default, when exposed to third parties, local filesystem or sensitive data may be accessed
  • MotherDuck tokens or AWS credentials could be leaked if misconfigured
  • Queries may consume significant resources (memory, CPU) or time out
  • Under default settings, if the connected database account has write access, execute_sql could let the assistant perform an unintended write or delete — pair with a read-only database account in production
  • The DSN contains a plaintext password — pay attention to the access permissions on wherever the config is stored
Supported clientsClaude Desktop, Claude Code, Codex, Gemini CLI, Cursor, VS Code, KiroClaude Desktop, Claude Code, VS Code, Cursor, Zed
Tools52