Bump to 1.3 ruby_llm and fix streamable example

Gemfile.lock

@@ -6,7 +6,7 @@ PATH
       faraday-multipart (>= 1)
       faraday-net_http (>= 1)
       faraday-retry (>= 1)
-      ruby_llm (~> 1.2)
+      ruby_llm (~> 1.3)
       zeitwerk (~> 2)
 
 GEM
@@ -40,6 +40,7 @@ GEM
     language_server-protocol (3.17.0.5)
     lint_roller (1.1.0)
     logger (1.7.0)
+    marcel (1.0.4)
     multipart-post (2.4.1)
     net-http (0.6.0)
       uri
@@ -96,13 +97,14 @@ GEM
       lint_roller (~> 1.1)
       rubocop (~> 1.72, >= 1.72.1)
     ruby-progressbar (1.13.0)
-    ruby_llm (1.2.0)
+    ruby_llm (1.3.0)
       base64
       event_stream_parser (~> 1)
-      faraday (~> 2)
-      faraday-multipart (~> 1)
-      faraday-net_http (~> 3)
-      faraday-retry (~> 2)
+      faraday (>= 1.10.0)
+      faraday-multipart (>= 1)
+      faraday-net_http (>= 1)
+      faraday-retry (>= 1)
+      marcel (~> 1.0)
       zeitwerk (~> 2)
     stringio (3.1.7)
     unicode-display_width (3.1.4)

examples/test_sse_mcp_tool_call.rb

@@ -13,7 +13,7 @@
 
 client = RubyLLM::MCP.client(
   name: "local_mcp",
-  transport_type: "sse",
+  transport_type: :sse,
   config: {
     url: "http://localhost:9292/mcp/sse"
   }

examples/test_sse_mcp_with_gpt.rb

@@ -13,7 +13,7 @@
 
 client = RubyLLM::MCP.client(
   name: "local_mcp",
-  transport_type: "sse",
+  transport_type: :sse,
   config: {
     url: "http://localhost:9292/mcp/sse"
   }

examples/test_streamable_mcp.rb

@@ -14,12 +14,9 @@
 # Test with streamable HTTP transport
 client = RubyLLM::MCP.client(
   name: "streamable_mcp",
-  transport_type: "streamable",
+  transport_type: :streamable,
   config: {
-    url: "http://localhost:3005/mcp",
-    headers: {
-      "User-Agent" => "RubyLLM-MCP/1.0"
-    }
+    url: "http://localhost:3005/mcp"
   }
 )
 
@@ -29,7 +26,7 @@
 puts tools.map { |tool| "  - #{tool.name}: #{tool.description}" }.join("\n")
 puts "-" * 50
 
-chat = RubyLLM.chat(model: "gpt-4")
+chat = RubyLLM.chat(model: "gpt-4.1")
 chat.with_tools(*client.tools)
 
 message = "Can you use one of the available tools to help me with a task? can you add 1 and 3 and output the result?"

lib/ruby_llm/mcp/transport/streamable.rb

@@ -55,24 +55,6 @@ def request(body, wait_for_response: true)
           handle_response(response, request_id, response_queue, wait_for_response)
         end
 
-        def get_sse_stream(last_event_id: nil)
-          headers = build_headers
-          headers["Accept"] = "text/event-stream"
-          headers["Last-Event-ID"] = last_event_id if last_event_id
-
-          response = @connection.get do |req|
-            headers.each { |key, value| req.headers[key] = value }
-          end
-
-          if response.status == 200 && response.headers["content-type"]&.include?("text/event-stream")
-            process_sse_stream(response.body)
-          elsif response.status == 405
-            raise "Server does not support SSE streams via GET"
-          else
-            raise "Failed to establish SSE connection: #{response.status}"
-          end
-        end
-
         def close
           @running = false
           @sse_mutex.synchronize do
@@ -250,9 +232,9 @@ def process_sse_for_request(sse_body, request_id, response_queue)
 
         def process_sse_stream(sse_body)
           Thread.new do
-            process_sse_events(sse_body) do |event_id, event_data|
+            process_sse_events(sse_body) do |event_data|
               # Handle server-initiated requests/notifications
-              handle_server_message(event_id, event_data) if event_data.is_a?(Hash)
+              handle_server_message(event_data) if event_data.is_a?(Hash)
             end
           rescue StandardError => e
             puts "Error processing SSE stream: #{e.message}"
@@ -271,7 +253,7 @@ def process_sse_events(sse_body)
               unless event_buffer.empty?
                 begin
                   event_data = JSON.parse(event_buffer)
-                  yield [event_id, event_data]
+                  yield event_data
                 rescue JSON::ParserError
                   puts "Warning: Failed to parse SSE event data: #{event_buffer}"
                 end
@@ -289,10 +271,10 @@ def process_sse_events(sse_body)
           end
         end
 
-        def handle_server_message(event_id, message)
+        def handle_server_message(message)
           # Handle server-initiated requests and notifications
           # This would typically be passed to a message handler
-          puts "Received server message: #{event_id} #{message.inspect}"
+          puts "Received server message: #{message.inspect}"
         end
 
         def wait_for_response_with_timeout(request_id, response_queue)

ruby_llm-mcp.gemspec

@@ -40,7 +40,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency "faraday-multipart", ">= 1"
   spec.add_dependency "faraday-net_http", ">= 1"
   spec.add_dependency "faraday-retry", ">= 1"
-  spec.add_dependency "ruby_llm", "~> 1.2"
+  spec.add_dependency "ruby_llm", "~> 1.3"
   spec.add_dependency "zeitwerk", "~> 2"
 end
 # rubocop:enable Metrics/BlockLength