Class: Llmemory::MCP::Server

Inherits:
Object
  • Object
show all
Defined in:
lib/llmemory/mcp/server.rb

Defined Under Namespace

Classes: RackRequest

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name: "llmemory", version: nil) ⇒ Server

Returns a new instance of Server.



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# File 'lib/llmemory/mcp/server.rb', line 20

def initialize(name: "llmemory", version: nil)
  @server = ::MCP::Server.new(
    name: name,
    version: version || Llmemory::VERSION,
    instructions: instructions_text,
    tools: all_tools
  )
end

Instance Attribute Details

#server ⇒ Object (readonly)

Returns the value of attribute server.



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# File 'lib/llmemory/mcp/server.rb', line 18

def server
  @server
end

Instance Method Details

#rack_app ⇒ Object

Returns a Rack app for use with custom servers (Puma, etc.)



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# File 'lib/llmemory/mcp/server.rb', line 82

def rack_app
  transport = ::MCP::Server::Transports::StreamableHTTPTransport.new(@server)
  build_rack_app(transport)
end

#run_http(port: 3100, host: "0.0.0.0", ssl_cert: nil, ssl_key: nil) ⇒ Object 



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# File 'lib/llmemory/mcp/server.rb', line 34

def run_http(port: 3100, host: "0.0.0.0", ssl_cert: nil, ssl_key: nil)
  require "webrick"

  @http_transport = ::MCP::Server::Transports::StreamableHTTPTransport.new(@server)
  app = build_rack_app(@http_transport)

  webrick_options = {
    Port: port,
    BindAddress: host,
    Logger: WEBrick::Log.new($stderr, WEBrick::Log::INFO),
    AccessLog: []
  }

  # Configure SSL/HTTPS if certificates provided
  use_ssl = ssl_cert && ssl_key
  if use_ssl
    require "webrick/https"
    require "openssl"

    webrick_options[:SSLEnable] = true
    webrick_options[:SSLCertificate] = OpenSSL::X509::Certificate.new(File.read(ssl_cert))
    webrick_options[:SSLPrivateKey] = OpenSSL::PKey::RSA.new(File.read(ssl_key))
  end

  webrick_server = WEBrick::HTTPServer.new(webrick_options)

  webrick_server.mount_proc "/" do |req, res|
    rack_env = build_rack_env(req)
    status, headers, body = app.call(rack_env)

    res.status = status
    headers.each { |key, value| res[key] = value }
    res.body = body.is_a?(Array) ? body.join : body
  end

  trap("INT") { webrick_server.shutdown }
  trap("TERM") { webrick_server.shutdown }

  protocol = use_ssl ? "https" : "http"
  $stderr.puts "llmemory MCP server listening on #{protocol}://#{host}:#{port}"
  $stderr.puts "Authentication: #{ENV["MCP_TOKEN"] ? "enabled (MCP_TOKEN set)" : "disabled"}"

  webrick_server.start
ensure
  @http_transport&.close
end

#run_stdio ⇒ Object 



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# File 'lib/llmemory/mcp/server.rb', line 29

def run_stdio
  transport = ::MCP::Server::Transports::StdioTransport.new(@server)
  transport.open
end