Lex MCP Server

Name: Lex MCP Server
Author: io.github.Guffawaffle

io.github.Guffawaffle/lex

Repository Registry

What is the Lex MCP server?

Episodic memory and architectural policy for AI agents. Frames, Atlas, and Policy.

How to install Lex

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

LEX_WORKSPACE_ROOT
Root directory for the workspace. Defaults to current working directory.
LEX_MEMORY_DB
Path to SQLite database file. Defaults to .smartergpt/lex/lex.db in workspace root.
LEX_DEBUG
Set to any value to enable debug logging to stderr.

Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "lex": {
      "command": "npx",
      "args": [
        "-y",
        "@smartergpt/lex-mcp"
      ],
      "env": {
        "LEX_WORKSPACE_ROOT": "<YOUR_LEX_WORKSPACE_ROOT>",
        "LEX_MEMORY_DB": "<YOUR_LEX_MEMORY_DB>",
        "LEX_DEBUG": "<YOUR_LEX_DEBUG>"
      }
    }
  }
}

Cursor

~/.cursor/mcp.json

{
  "mcpServers": {
    "lex": {
      "command": "npx",
      "args": [
        "-y",
        "@smartergpt/lex-mcp"
      ],
      "env": {
        "LEX_WORKSPACE_ROOT": "<YOUR_LEX_WORKSPACE_ROOT>",
        "LEX_MEMORY_DB": "<YOUR_LEX_MEMORY_DB>",
        "LEX_DEBUG": "<YOUR_LEX_DEBUG>"
      }
    }
  }
}

Windsurf

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "lex": {
      "command": "npx",
      "args": [
        "-y",
        "@smartergpt/lex-mcp"
      ],
      "env": {
        "LEX_WORKSPACE_ROOT": "<YOUR_LEX_WORKSPACE_ROOT>",
        "LEX_MEMORY_DB": "<YOUR_LEX_MEMORY_DB>",
        "LEX_DEBUG": "<YOUR_LEX_DEBUG>"
      }
    }
  }
}

VS Code

.vscode/mcp.json

{
  "servers": {
    "lex": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@smartergpt/lex-mcp"
      ],
      "env": {
        "LEX_WORKSPACE_ROOT": "<YOUR_LEX_WORKSPACE_ROOT>",
        "LEX_MEMORY_DB": "<YOUR_LEX_MEMORY_DB>",
        "LEX_DEBUG": "<YOUR_LEX_DEBUG>"
      }
    }
  }
}

Claude Code

claude mcp add lex --env LEX_WORKSPACE_ROOT=<YOUR_LEX_WORKSPACE_ROOT> --env LEX_MEMORY_DB=<YOUR_LEX_MEMORY_DB> --env LEX_DEBUG=<YOUR_LEX_DEBUG> -- npx -y @smartergpt/lex-mcp