Configuration

CLI flags, environment variables, defaults, and example configurations for Forge.

Precedence

CLI flag Environment variable Default

Configuration Table

Flag Env Var Default Description
--max-sessions FORGE_MAX_SESSIONS 10 Max concurrent PTY sessions
--idle-timeout FORGE_IDLE_TIMEOUT 1800000 Session idle timeout in ms (30 min)
--buffer-size FORGE_BUFFER_SIZE 1048576 Ring buffer size per session (1 MB)
--shell SHELL /bin/bash Default shell for create_terminal
--claude-path FORGE_CLAUDE_PATH claude Path to Claude CLI binary
--auth-token FORGE_AUTH_TOKEN unset Require Bearer token for /mcp, /api, and /ws
--dashboard FORGE_DASHBOARD off Enable web dashboard
--port FORGE_DASHBOARD_PORT 3141 Dashboard port
--verbose off Enable debug logging to stderr

Example Configurations

Claude Code with dashboard

{
  "mcpServers": {
    "forge": {
      "command": "npx",
      "args": ["forge-terminal-mcp", "--dashboard", "--port", "3141"]
    }
  }
}

Custom config with all options

{
  "mcpServers": {
    "forge": {
      "command": "npx",
      "args": ["forge-terminal-mcp", "--max-sessions", "20", "--idle-timeout", "3600000", "--dashboard"]
    }
  }
}

With auth token

{
  "mcpServers": {
    "forge": {
      "command": "npx",
      "args": ["forge-terminal-mcp", "--dashboard", "--auth-token", "my-secret-token"]
    }
  }
}

Daemon Mode

Start Forge as a background daemon for HTTP MCP clients:

$ npx forge-terminal-mcp start -d --port 3141
$ npx forge-terminal-mcp status
$ npx forge-terminal-mcp stop

Data Storage

Forge stores data in ~/.forge/:

  • sessions.json Session metadata (reloaded on restart)
  • history/{id}.jsonl Per-session tool call history