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Merge pull request #83 from koic/make_default_protocol_version_latest_spec_version

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Set default protocol version to the latest specification
This commit is contained in:
Koichi ITO 2025-07-21 12:54:14 +09:00 • committed by GitHub
commit 6bace861b2
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4 changed files with 6 additions and 6 deletions
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4
README.md
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@ -148,7 +148,7 @@ server.notify_tools_list_changed()
#### Rails Controller
When added to a Rails controller on a route that handles POST requests, your server will be compliant with non-streaming
[Streamable HTTP](https://modelcontextprotocol.io/specification/2025-03-26/basic/transports#streamable-http) transport
[Streamable HTTP](https://modelcontextprotocol.io/specification/2025-06-18/basic/transports#streamable-http) transport
requests.
You can use the `Server#handle_json` method to handle requests.
@ -340,7 +340,7 @@ MCP::Server.protocol_version = nil
If an invalid `protocol_version` value is set, an `ArgumentError` is raised.
Be sure to check the [MCP spec](https://modelcontextprotocol.io/specification/2025-03-26) for the protocol version to understand the supported features for the version being set.
Be sure to check the [MCP spec](https://modelcontextprotocol.io/specification) for the protocol version to understand the supported features for the version being set.
### Exception Reporting

4
lib/mcp/configuration.rb
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@ -2,8 +2,8 @@
module MCP
class Configuration
DEFAULT_PROTOCOL_VERSION = "2024-11-05"
SUPPORTED_PROTOCOL_VERSIONS = ["2025-06-18", "2025-03-26", DEFAULT_PROTOCOL_VERSION]
DEFAULT_PROTOCOL_VERSION = "2025-06-18"
SUPPORTED_PROTOCOL_VERSIONS = [DEFAULT_PROTOCOL_VERSION, "2025-03-26", "2024-11-05"]
attr_writer :exception_reporter, :instrumentation_callback, :protocol_version, :validate_tool_call_arguments

2
test/mcp/server/transports/streamable_http_transport_test.rb
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@ -84,7 +84,7 @@ module MCP
body = JSON.parse(response[2][0])
assert_equal "2.0", body["jsonrpc"]
assert_equal "123", body["id"]
assert_equal "2024-11-05", body["result"]["protocolVersion"]
assert_equal "2025-06-18", body["result"]["protocolVersion"]
end
test "handles GET request with valid session ID" do

2
test/mcp/server_test.rb
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@ -114,7 +114,7 @@ module MCP
jsonrpc: "2.0",
id: 1,
result: {
protocolVersion: "2024-11-05",
protocolVersion: "2025-06-18",
capabilities: {
prompts: { listChanged: true },
resources: { listChanged: true },