Lex

{
  "_meta": {
    "io.modelcontextprotocol.registry/official": {
      "status": "active",
      "isLatest": true,
      "updatedAt": "2026-10-20T12:02:52.631124Z",
      "publishedAt": "2026-10-20T12:02:52.631124Z",
      "statusChangedAt": "2026-10-20T12:02:52.631124Z"
    }
  },
  "server": {
    "name": "dev.smartergpt/lex",
    "title": "Lex",
    "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
    "version": "4.4.4",
    "packages": [
      {
        "version": "4.4.4",
        "transport": {
          "type": "stdio"
        },
        "identifier": "@smartergpt/lex-mcp",
        "registryType": "npm",
        "environmentVariables": [
          {
            "name": "LEX_WORKSPACE_ROOT",
            "format": "string",
            "description": "Project root directory for Lex runtime discovery. Defaults to current working directory."
          },
          {
            "name": "LEX_STORE",
            "format": "string",
            "description": "Frame-store backend: sqlite or postgres. Defaults to sqlite unless LEX_DATABASE_URL selects PostgreSQL."
          },
          {
            "name": "LEX_DB_PATH",
            "format": "string",
            "description": "Path to SQLite database file. Defaults to .smartergpt/lex/memory.db under the project root."
          },
          {
            "name": "LEX_MEMORY_DB",
            "format": "string",
            "description": "Alias for LEX_DB_PATH (backwards compatibility). Same behavior."
          },
          {
            "name": "LEX_DATABASE_URL",
            "format": "string",
            "isSecret": true,
            "description": "PostgreSQL connection URL for the compatibility adapter. Treat as secret because it may contain credentials."
          },
          {
            "name": "LEX_POSTGRES_PASSWORD",
            "format": "string",
            "isSecret": true,
            "description": "PostgreSQL password supplied separately when LEX_DATABASE_URL omits one."
          },
          {
            "name": "LEX_POSTGRES_POOL_MAX",
            "format": "string",
            "description": "Maximum PostgreSQL compatibility-adapter pool size. Defaults to 10."
          },
          {
            "name": "LEX_DEBUG",
            "format": "string",
            "description": "Set to any value to enable debug logging to stderr."
          }
        ]
      }
    ],
    "repository": {
      "url": "https://github.com/SmarterGPT/lex",
      "source": "github"
    },
    "description": "Episodic memory, Frames, Policy Neighborhoods, and policy enforcement for AI agents."
  }
}