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Compare scores, permissions, risks, and fit in one decision-focused table.

Dimensionmcp-knowledge-graphPersistent memory for AI models through a local knowledge graph.DBHubBytebase's official, minimalist two-tool database MCP server
FMRS56 / 100 · C74 / 100 · B
Reliability7 / 2013 / 20
Security and permissions11 / 2013 / 20
Maintenance8 / 2016 / 20
Documentation16 / 2015 / 20
Setup experience14 / 2017 / 20
Best for
  • Claude users who need persistent memory across conversations
  • Developers who want local persistent memory in their projects
  • Users concerned about data privacy and prefer local storage over cloud
  • 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
  • Scenarios requiring distributed or high-concurrency storage
  • Advanced security needs like built-in encryption or access control
  • Users who wish to store memory files in the cloud managed by a service provider
  • 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
  • Read and write to the local file system (within specified --memory-path or project .aim directory)
  • Run npx commands to start the server
  • 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
  • Local files might be accidentally deleted or overwritten (the system has _aim marker protection, but risk remains)
  • Sensitive information stored locally could be exposed if not encrypted
  • Dependency on Node.js version and npm package management may cause conflicts
  • 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 CodeClaude Desktop, Claude Code, VS Code, Cursor, Zed
Tools102