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Merge pull request #252 from koic/fix_rails_controller_example_to_return_202_for_notifications

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[Doc] Fix Rails controller example to return 202 for notifications
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Koichi ITO 2026-03-08 03:06:19 +09:00 • committed by GitHub
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@ -242,11 +242,12 @@ When added to a Rails controller on a route that handles POST requests, your ser
[Streamable HTTP](https://modelcontextprotocol.io/specification/latest/basic/transports#streamable-http) transport [Streamable HTTP](https://modelcontextprotocol.io/specification/latest/basic/transports#streamable-http) transport
requests. requests.
You can use the `Server#handle_json` method to handle requests. You can use `StreamableHTTPTransport#handle_request` to handle requests with proper HTTP
status codes (e.g., 202 Accepted for notifications).
```ruby ```ruby
class ApplicationController < ActionController::Base class McpController < ActionController::Base
def index def create
server = MCP::Server.new( server = MCP::Server.new(
name: "my_server", name: "my_server",
title: "Example Server Display Name", title: "Example Server Display Name",
@ -256,7 +257,11 @@ class ApplicationController < ActionController::Base
prompts: [MyPrompt], prompts: [MyPrompt],
server_context: { user_id: current_user.id }, server_context: { user_id: current_user.id },
) )
render(json: server.handle_json(request.body.read)) transport = MCP::Server::Transports::StreamableHTTPTransport.new(server)
server.transport = transport
status, headers, body = transport.handle_request(request)
render(json: body.first, status: status, headers: headers)
end end
end end
``` ```