Internal Release 0.5.1

- Allow protocol version to be set at the server level through configuration instead of a class method, providing more flexibility in protocol version management [#43](https://github.com/Shopify/mcp-ruby/pull/43) @topherbullock

- Fixed instrumentation handling to ensure accurate timing information and proper error reporting [#42](https://github.com/Shopify/mcp-ruby/pull/42) @tobiasbales
  - Improved error handling and reporting in the server
  - Fixed timing information collection in instrumentation
  - Added proper error types for different failure scenarios
  - Enhanced test coverage for error cases

- [Allow protocol version to be set at the server level #43](https://github.com/Shopify/mcp-ruby/pull/43) @topherbullock
- [Fix instrumentation handling #42](https://github.com/Shopify/mcp-ruby/pull/42) @tobiasbales

.cursor/rules/release-changelogs.mdc

@@ -0,0 +1,32 @@
+---
+description: writing changelog markdown when cutting a new release of the gem
+globs: 
+alwaysApply: false
+---
+- output the changelog as markdown when asked. 
+- git tags are used to mark the commit that cut a new release of the gem
+- the gem version is located in [version.rb](mdc:lib/model_context_protocol/version.rb)
+- use the git history, especially merge commits from PRs to construct the changelog
+- when necessary, look at the diff of files changed to determine whether a PR should be listed in 
+  - ## Added; adds new functionality
+  - ## Changed; alters functionality; especially backward compatible changes
+  - ## Fixed; bugfixes that are forward compatible 
+
+use the following format for changelogs:
+
+https://cloudsmith.io/~shopify/repos/gems/packages/detail/ruby/mcp-ruby/{gem version}/
+
+# Changelog
+
+## Added
+- New functionality added that was not present before
+
+## Changed
+- Alterations to functionality that may indicate breaking changes
+
+## Fixed
+- Bug fixes 
+
+#### Full change list:
+- [Name of the PR #123](mdc:https:/github.com/Shopify/mcp-ruby/pull/123) @github-author-username 
+- [Name of the PR #456](mdc:https:/github.com/Shopify/mcp-ruby/pull/456) @another-github-author