Class: RailsActiveMcp::Sdk::Server

Inherits:
Object
  • Object
show all
Defined in:
lib/rails_active_mcp/sdk/server.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Server

Returns a new instance of Server.



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# File 'lib/rails_active_mcp/sdk/server.rb', line 18

def initialize
  # Store original streams for restoration
  @original_stdout = $stdout
  @original_stderr = $stderr

  # Set up output redirection BEFORE any Rails interaction
  setup_output_redirection

  # Configure MCP first
  configure_mcp

  # Create the MCP server with our tools
  @mcp_server = MCP::Server.new(
    name: 'rails-active-mcp',
    version: RailsActiveMcp::VERSION,
    description: 'Secure Rails console access via Model Context Protocol (MCP) for AI agents',
    website_url: 'https://github.com/goodpie/rails-active-mcp',
    tools: discover_tools,
    server_context: server_context
  )

  # Set up server handlers
  setup_server_handlers
end

Instance Attribute Details

#mcp_server ⇒ Object (readonly)

Returns the value of attribute mcp_server.



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# File 'lib/rails_active_mcp/sdk/server.rb', line 16

def mcp_server
  @mcp_server
end

Instance Method Details

#run_http(port: 3001) ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/rails_active_mcp/sdk/server.rb', line 59

def run_http(port: 3001)
  # HTTP transport might not be available in the SDK yet
  # For now, fall back to a basic implementation or error
  raise NotImplementedError, 'HTTP transport not yet implemented with official MCP SDK'
end

#run_stdio ⇒ Object 



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# File 'lib/rails_active_mcp/sdk/server.rb', line 43

def run_stdio
  # Ensure output redirection is active for stdio mode
  ensure_output_redirection_for_stdio

  require 'mcp/server/transports/stdio_transport'
  transport = MCP::Server::Transports::StdioTransport.new(@mcp_server)
  transport.open
rescue StandardError => e
  # Log to stderr (which is redirected to file) and re-raise
  warn "[#{Time.now}] [RAILS-MCP] FATAL: SDK Server crashed: #{e.message}"
  warn "[#{Time.now}] [RAILS-MCP] FATAL: #{e.backtrace.join("\n")}"
  raise
ensure
  restore_output_streams
end