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DimensionGreptimeDB MCP ServerQuery and analyze GreptimeDB metrics, logs, and traces via SQL, TQL, and RANGE queries.ChEMBL MCP ServerUnofficial MCP server providing advanced access to the ChEMBL chemical database
FMRS60 / 100 · C75 / 100 · B
Reliability10 / 2012 / 20
Security and permissions12 / 2016 / 20
Maintenance11 / 2014 / 20
Documentation14 / 2018 / 20
Setup experience13 / 2015 / 20
Best for
  • Developers working with time-series and observability data.
  • Teams needing natural language access to their database for query and analysis.
  • Users wanting to integrate AI-assisted data exploration within MCP clients.
  • Drug discovery and computational chemistry researchers
  • Bioinformatics teams needing ChEMBL data through AI assistants
  • Developers comfortable with Node.js or Docker
Not for
  • Users who need write operations or DDL/DML (read-only by default; write mode only for local/test, extremely risky).
  • Users not using GreptimeDB.
  • Users who need direct database access without MCP integration.
  • 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
  • Read-only access to GreptimeDB for SQL, TQL, and RANGE queries.
  • Access to HTTP API (default port 4000) for pipeline and dashboard management.
  • Access to configured credentials via environment variables or CLI arguments.
  • Data masking is enabled by default to prevent sensitive column exposure.
  • 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 write mode is enabled (disabled by default), AI could execute destructive SQL; never enable against production.
  • Queries may be expensive if complex or misused; restrict access and resources.
  • Providing secret environment variables over HTTP could increase exposure risk.
  • Database may be inaccessible due to network configuration or startup 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 DesktopClaude Desktop
Tools1327