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

DimensionDBHubBytebase's official, minimalist two-tool database MCP serverChEMBL MCP ServerUnofficial MCP server providing advanced access to the ChEMBL chemical database
FMRS74 / 100 · B75 / 100 · B
Reliability13 / 2012 / 20
Security and permissions13 / 2016 / 20
Maintenance16 / 2014 / 20
Documentation15 / 2018 / 20
Setup experience17 / 2015 / 20
Best for
  • 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
  • Drug discovery and computational chemistry researchers
  • Bioinformatics teams needing ChEMBL data through AI assistants
  • Developers comfortable with Node.js or Docker
Not for
  • 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)
  • Production settings requiring official ChEMBL support (this is unofficial)
  • Users without a Node.js or Docker environment
  • General database tasks unrelated to ChEMBL
Required permissions
  • 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
  • Outbound network access to https://www.ebi.ac.uk/chembl/api/data
  • Read-only access to public API data; no authentication credentials required
Risks and side effects
  • 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
  • Unofficial project with license marked NOASSERTION (README claims MIT); verify licensing yourself
  • Data accuracy depends on the ChEMBL REST API and the server's parsing may contain defects
  • 30-second request timeouts may constrain large batch queries
  • README inconsistency on tool count (22 vs 27) raises documentation reliability concerns
Supported clientsClaude Desktop, Claude Code, VS Code, Cursor, ZedClaude Desktop
Tools227