feat!: update schema default version and latest draft changes

.github/workflows/ci.yml

@@ -21,6 +21,16 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+      - name: Cache Rust
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.rustup/toolchains
+            ~/.cargo/registry
+            ~/.cargo/git
+            target
+          key: ${{ runner.os }}-rust-${{ steps.toolchain.outputs.cachekey }}
+          restore-keys: ${{ runner.os }}-rust-
 
       - name: Install Rust Toolchain
         uses: dtolnay/rust-toolchain@master

Cargo.toml

@@ -36,7 +36,7 @@ features = ["2024_11_05", "schema_utils"]
 [features]
 
 # defalt features
-default = ["2024_11_05", "schema_utils"] # Default features
+default = ["2025_03_26", "schema_utils"] # Default features
 
 # activates the latest MCP schema version, this will be updated once a new version of schema is published
 latest = ["2025_03_26"]

README.md

@@ -77,15 +77,15 @@ This repository provides all official released versions the schema , including d
 ### How to switch between different schema versions?
 
 Each schema version has a corresponding Cargo feature that can be enabled in your project's Cargo.toml.
-By default, the version `2024_11_05` of the schema is active.
+By default, the version `2025_03_26` of the schema is active.
 
-Example: enable `2025_03_26` version of the shema:
+Example: enable `2024_11_05` version of the shema:
 
 <!-- x-release-please-start-version -->
 
 ```toml
 # Cargo.toml
-rust-mcp-schema = { version: 0.4.0 , features=["2025_03_26"] }
+rust-mcp-schema = { version: 0.4.0 , features=["2024_11_05"] }
 ```
 
 Example: enable `latest` version of the shema:
@@ -95,11 +95,11 @@ Example: enable `latest` version of the shema:
 rust-mcp-schema = { version: 0.4.0 , features=["latest"] }
 ```
 
-Example: enable specific version of the shema (2024_11_05) :
+Example: enable `draft`` version of the shema (2024_11_05) :
 
 ```toml
 #Cargo.toml
-rust-mcp-schema = { version: 0.4.0 , features=["2024_11_05"] }
+rust-mcp-schema = { version: 0.4.0 , features=["draft"] }
 ```
 
 <!-- x-release-please-end -->
@@ -324,7 +324,7 @@ fn handle_message(message_payload: &str) -> std::result::Result<(), AppError> {
 
 We welcome everyone who wishes to contribute! Please refer to the [contributing guidelines](CONTRIBUTING.md) for more details.
 
-All contributions, including issues and pull requests, must follow  
+All contributions, including issues and pull requests, must follow
 [Rust's Code of Conduct](https://www.rust-lang.org/policies/code-of-conduct).
 
 Unless explicitly stated otherwise, any contribution you submit for inclusion in `rust-mcp-schema` is provided under the terms of the MIT License, without any additional conditions or restrictions.

examples/mcp_client_handle_message.rs

@@ -122,9 +122,18 @@ fn handle_message(message_payload: &str) -> std::result::Result<(), AppError> {
                 ServerResult::ListToolsResult(list_tools_result) => {
                     dbg!(list_tools_result);
                 }
+                #[cfg(any(feature = "2025_03_26", feature = "2024_11_05"))]
                 ServerResult::CallToolResult(call_tool_result) => {
                     dbg!(call_tool_result);
                 }
+                #[cfg(feature = "draft")]
+                ServerResult::CallToolUnstructuredResult(call_tool_unstructured_result) => {
+                    dbg!(call_tool_unstructured_result);
+                }
+                #[cfg(feature = "draft")]
+                ServerResult::CallToolStructuredResult(call_tool_structured_result) => {
+                    dbg!(call_tool_structured_result);
+                }
                 ServerResult::CompleteResult(complete_result) => {
                     dbg!(complete_result);
                 }

src/generated_schema.rs

@@ -1,44 +1,35 @@
-/// Schema Version : 2024_11_05
+/// Schema Version: 2024_11_05
 #[cfg(feature = "2024_11_05")]
 #[path = "generated_schema/2024_11_05/mcp_schema.rs"]
-mod schema_2024_11_05;
+mod mcp_schema;
 
 #[cfg(feature = "2024_11_05")]
-pub use schema_2024_11_05::*;
+pub use mcp_schema::*;
 
 #[cfg(all(feature = "schema_utils", feature = "2024_11_05"))]
 #[path = "generated_schema/2024_11_05/schema_utils.rs"]
 pub mod schema_utils;
 
-/// Schema Version : 2025_03_26
+/// Schema Version: 2025_03_26
 #[cfg(feature = "2025_03_26")]
-#[cfg(not(feature = "2024_11_05"))]
 #[path = "generated_schema/2025_03_26/mcp_schema.rs"]
-mod schema_2025_03_26;
+mod mcp_schema;
 
 #[cfg(feature = "2025_03_26")]
-#[cfg(not(feature = "2024_11_05"))]
-pub use schema_2025_03_26::*;
+pub use mcp_schema::*;
 
 #[cfg(all(feature = "schema_utils", feature = "2025_03_26"))]
-#[cfg(not(feature = "2024_11_05"))]
 #[path = "generated_schema/2025_03_26/schema_utils.rs"]
 pub mod schema_utils;
 
-/// Schema Version : draft
+/// Schema Version: draft
 #[cfg(feature = "draft")]
-#[cfg(not(feature = "2024_11_05"))]
-#[cfg(not(feature = "2025_03_26"))]
 #[path = "generated_schema/draft/mcp_schema.rs"]
-mod schema_draft;
+mod mcp_schema;
 
 #[cfg(feature = "draft")]
-#[cfg(not(feature = "2024_11_05"))]
-#[cfg(not(feature = "2025_03_26"))]
-pub use schema_draft::*;
+pub use mcp_schema::*;
 
 #[cfg(all(feature = "schema_utils", feature = "draft"))]
-#[cfg(not(feature = "2024_11_05"))]
-#[cfg(not(feature = "2025_03_26"))]
 #[path = "generated_schema/draft/schema_utils.rs"]
 pub mod schema_utils;

src/generated_schema/2024_11_05/mcp_schema.rs

@@ -1,12 +1,12 @@
 /// ----------------------------------------------------------------------------
-/// This file is auto-generated by mcp-schema-gen v0.2.0.
+/// This file is auto-generated by mcp-schema-gen v0.3.0.
 /// WARNING:
 /// It is not recommended to modify this file directly. You are free to
 /// modify or extend the implementations as needed, but please do so at your own risk.
 ///
 /// Generated from : <https://github.com/modelcontextprotocol/specification.git>
-/// Hash : 5da5bac89165d68cad24a211119e4c1b61178d5a
-/// Generated at : 2025-04-26 18:56:03
+/// Hash : UNKNOWN
+/// Generated at : 2025-05-20 20:52:14
 /// ----------------------------------------------------------------------------
 ///
 /// MCP Protocol Version

src/generated_schema/2025_03_26/mcp_schema.rs

@@ -1,12 +1,12 @@
 /// ----------------------------------------------------------------------------
-/// This file is auto-generated by mcp-schema-gen v0.2.0.
+/// This file is auto-generated by mcp-schema-gen v0.3.0.
 /// WARNING:
 /// It is not recommended to modify this file directly. You are free to
 /// modify or extend the implementations as needed, but please do so at your own risk.
 ///
 /// Generated from : <https://github.com/modelcontextprotocol/specification.git>
-/// Hash : 5da5bac89165d68cad24a211119e4c1b61178d5a
-/// Generated at : 2025-04-26 18:56:03
+/// Hash : UNKNOWN
+/// Generated at : 2025-05-20 20:52:15
 /// ----------------------------------------------------------------------------
 ///
 /// MCP Protocol Version

src/generated_schema/2025_03_26/schema_utils.rs

@@ -15,7 +15,7 @@ pub enum MessageTypes {
 /// Implements the `Display` trait for the `MessageTypes` enum,
 /// allowing it to be converted into a human-readable string.
 impl Display for MessageTypes {
-    /// Formats the `MessageTypes` enum variant as a string.   
+    /// Formats the `MessageTypes` enum variant as a string.
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         write!(
             f,
@@ -1071,6 +1071,7 @@ impl FromStr for ServerJsonrpcResponse {
 
 /// To determine standard and custom results from the server side
 /// Custom results (CustomResult) are of type serde_json::Value and can be deserialized into any custom type.
+#[allow(clippy::large_enum_variant)]
 #[derive(::serde::Serialize, Clone, Debug)]
 #[serde(untagged)]
 pub enum ResultFromServer {