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DimensionPostgres MCP ProConfigurable read/write access and performance analysis for PostgreSQL MCPChEMBL MCP ServerUnofficial MCP server providing advanced access to the ChEMBL chemical database
FMRS48 / 100 · D75 / 100 · B
Reliability9 / 2012 / 20
Security and permissions7 / 2016 / 20
Maintenance10 / 2014 / 20
Documentation11 / 2018 / 20
Setup experience11 / 2015 / 20
Best for
  • PostgreSQL developers needing deep performance analysis and index tuning
  • DBAs who need read-only access and health checks in production
  • Teams that want AI assistants to help with database optimization and monitoring
  • Drug discovery and computational chemistry researchers
  • Bioinformatics teams needing ChEMBL data through AI assistants
  • Developers comfortable with Node.js or Docker
Not for
  • Users needing full write access but wanting safety controls (restricted mode is read-only)
  • Users of non-PostgreSQL databases
  • Users needing real-time monitoring or alerting (this tool is analytical)
  • 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
  • Database connection credentials (connection URI)
  • Read-write or read-only database access (depending on access mode)
  • Optional: permission to load extensions (pg_stat_statements, hypopg)
  • Optional: OpenAI API key for experimental LLM index tuning
  • 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
  • Unrestricted mode can allow SQL that might damage or delete data
  • SQL parsing may not prevent all bypasses of read-only restrictions if unsafe procedural languages are enabled
  • Connection credentials may be stored in plaintext in MCP client configuration
  • Index tuning search may consume significant database resources
  • 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, Cursor, Windsurf, Goose, Qodo GenClaude Desktop
Tools927