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DimensionMCP Database ServerMCP server that provides database access to Claude for SQLite, SQL Server, PostgreSQL, and MySQLChEMBL MCP ServerUnofficial MCP server providing advanced access to the ChEMBL chemical database
FMRS57 / 100 · C75 / 100 · B
Reliability10 / 2012 / 20
Security and permissions8 / 2016 / 20
Maintenance12 / 2014 / 20
Documentation15 / 2018 / 20
Setup experience12 / 2015 / 20
Best for
  • Developers who need to interact with multiple database types
  • Claude users who want to operate databases using natural language
  • Scenarios requiring quick data export or insight recording
  • Drug discovery and computational chemistry researchers
  • Bioinformatics teams needing ChEMBL data through AI assistants
  • Developers comfortable with Node.js or Docker
Not for
  • Scenarios requiring complex transaction handling or fine-grained permission control
  • High-concurrency database access in production environments
  • Non-relational databases (e.g., MongoDB)
  • 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 database credentials (username, password)
  • May require network access to connect to remote databases
  • Requires file system access (for SQLite files)
  • 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
  • Write operations may cause data loss or corruption; use with caution
  • Credentials may be recorded in configuration files; manage carefully
  • Open network ports may pose security risks
  • 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 DesktopClaude Desktop
Tools1027