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Add support for the optional websiteUrl parameter in serverInfo

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This PR adds support for the optional `websiteUrl` parameter in `serverInfo`.
This parameter has been supported since the 2025-11-25 MCP specification.

This PR also implements part of https://github.com/modelcontextprotocol/ruby-sdk/issues/127.
This commit is contained in:
Koichi ITO 2025-11-29 17:18:03 +09:00
commit 62615d65e4
1 changed files with 33 additions and 5 deletions
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9
lib/mcp/server.rb
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@ -31,13 +31,14 @@ module MCP
include Instrumentation
attr_accessor :description, :name, :title, :version, :instructions, :tools, :prompts, :resources, :server_context, :configuration, :capabilities, :transport
attr_accessor :description, :name, :title, :version, :website_url, :instructions, :tools, :prompts, :resources, :server_context, :configuration, :capabilities, :transport
def initialize(
description: nil,
name: "model_context_protocol",
title: nil,
version: DEFAULT_VERSION,
website_url: nil,
instructions: nil,
tools: [],
prompts: [],
@ -52,6 +53,7 @@ module MCP
@name = name
@title = title
@version = version
@website_url = website_url
@instructions = instructions
@tools = tools.to_h { |t| [t.name_value, t] }
@prompts = prompts.to_h { |p| [p.name_value, p] }
@ -185,8 +187,8 @@ module MCP
end
if @configuration.protocol_version <= "2025-03-26"
if server_info.key?(:title)
message = "Error occurred in server_info. `title` is not supported in protocol version 2025-03-26 or earlier"
if server_info.key?(:title) || server_info.key?(:websiteUrl)
message = "Error occurred in server_info. `title` or `website_url` are not supported in protocol version 2025-03-26 or earlier"
raise ArgumentError, message
end
@ -268,6 +270,7 @@ module MCP
name:,
title:,
version:,
websiteUrl: website_url,
}.compact
end