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Claude Desktop

Lex for Claude Desktop

dev.smartergpt/lex

Episodic memory, Frames, Policy Neighborhoods, and policy enforcement for AI agents.

client:Claude Desktop transport:stdio runtime:npm

Install Lex in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "lex": {
      "command": "npx",
      "args": [
        "-y",
        "@smartergpt/lex-mcp"
      ],
      "env": {
        "LEX_WORKSPACE_ROOT": "<LEX_WORKSPACE_ROOT>",
        "LEX_STORE": "<LEX_STORE>",
        "LEX_DB_PATH": "<LEX_DB_PATH>",
        "LEX_MEMORY_DB": "<LEX_MEMORY_DB>",
        "LEX_DATABASE_URL": "<LEX_DATABASE_URL>",
        "LEX_POSTGRES_PASSWORD": "<LEX_POSTGRES_PASSWORD>",
        "LEX_POSTGRES_POOL_MAX": "<LEX_POSTGRES_POOL_MAX>",
        "LEX_DEBUG": "<LEX_DEBUG>"
      }
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs

Lex in other clients

Lex MCP server