Class: SwarmCLI::Commands::McpServe

Inherits:
Object
  • Object
show all
Defined in:
lib/swarm_cli/commands/mcp_serve.rb

Overview

McpServe command starts an MCP server that exposes the swarm's lead agent as a tool.

Usage:

swarm mcp serve config.yml

The server uses stdio transport and exposes a "swarm" tool that executes tasks through the configured lead agent.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ McpServe

Returns a new instance of McpServe.



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# File 'lib/swarm_cli/commands/mcp_serve.rb', line 15

def initialize(options)
  @options = options
end

Instance Attribute Details

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/swarm_cli/commands/mcp_serve.rb', line 13

def options
  @options
end

Instance Method Details

#execute ⇒ Object 



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# File 'lib/swarm_cli/commands/mcp_serve.rb', line 19

def execute
  # Validate options
  options.validate!

  # Load swarm configuration to validate it
  config_path = options.config_file
  unless File.exist?(config_path)
    $stderr.puts "Error: Configuration file not found: #{config_path}"
    exit(1)
  end

  # Validate the swarm configuration
  begin
    SwarmSDK.load_file(config_path)
  rescue SwarmSDK::ConfigurationError => e
    $stderr.puts "Error: Invalid swarm configuration: #{e.message}"
    exit(1)
  end

  # MCP servers should be quiet - stdout is reserved for MCP protocol
  # Errors will still be logged to stderr

  # Start the MCP server
  start_mcp_server(config_path)
rescue Interrupt
  # User cancelled (Ctrl+C) - silent exit
  exit(130)
rescue StandardError => e
  # Unexpected errors - always log to stderr
  $stderr.puts "Fatal error: #{e.message}"
  $stderr.puts e.backtrace.first(5).join("\n") if ENV["DEBUG"]
  exit(1)
end