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DimensionMongoDB MCP ServerLet AI assistants work with your MongoDB databases safely.ChEMBL MCP ServerUnofficial MCP server providing advanced access to the ChEMBL chemical database
FMRS42 / 100 · D75 / 100 · B
Reliability5 / 2012 / 20
Security and permissions7 / 2016 / 20
Maintenance6 / 2014 / 20
Documentation13 / 2018 / 20
Setup experience11 / 2015 / 20
Best for
  • Users of AI coding assistants (Claude Desktop, Cursor, Windsurf) that need to interact with MongoDB
  • Developers who want to query databases using plain language
  • Teams sharing MongoDB data access with AI tools
  • Drug discovery and computational chemistry researchers
  • Bioinformatics teams needing ChEMBL data through AI assistants
  • Developers comfortable with Node.js or Docker
Not for
  • High-security production environments unless properly configured with authentication and permissions
  • Performance-critical scenarios where AI may run suboptimal queries
  • Users needing full database administration (e.g., user management, backups)
  • 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
  • MongoDB connection string, possibly including username and password
  • Read/write access to the target database (unless read-only mode is enabled)
  • HTTP mode may require an authentication token
  • 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
  • If read-only mode is not enabled, AI may inadvertently perform write operations (updates, inserts, index creation)
  • Cross-database operations are blocked by default, but enabling --allow-cross-db may expose other databases
  • Server-side JavaScript operators ($function, $where) are disabled by default, but enabling can introduce code execution risks
  • HTTP mode defaults to localhost only, but misconfiguration could expose the database
  • May execute resource-intensive aggregations or queries, leading to performance issues
  • 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, WindsurfClaude Desktop
Tools827