io.github.sourabhnk/mosaic-mcp

Official

Mosaic Pre-Clinical Intelligence

Pre-clinical drug discovery intelligence — targets, compounds, patents, trials, whitespace

Access pre-clinical drug discovery data including targets, compounds, patents, and trials.

Install

Configuration

Environment variables

DATABASE_URLrequiredsecret

PostgreSQL/Neon connection string for the Mosaic knowledge graph (must end /mosaic_db)

MOSAIC_API_KEYsecret

API key that unlocks the 28 Pro tools (optional; free tier works without it)

MOSAIC_TIER

Override tier for local dev: free (default), pro, or enterprise

claude_desktop_config.json

{
  "mcpServers": {
    "mosaic-mcp": {
      "command": "uvx",
      "args": [
        "mosaic-mcp"
      ],
      "env": {
        "DATABASE_URL": "<YOUR_DATABASE_URL>",
        "MOSAIC_API_KEY": "<YOUR_MOSAIC_API_KEY>",
        "MOSAIC_TIER": "<YOUR_MOSAIC_TIER>"
      }
    }
  }
}