Move whole rmcp crate to offcial rust sdk (#44)
* get rid of async-trait * move rmcp to official-rust-sdk * replace master with main * update readme, change license * fix typo * Update README.md Co-authored-by: Jefry Dewangga <jefrydco@gmail.com> * fix typos --------- Co-authored-by: = <=> Co-authored-by: Jefry Dewangga <jefrydco@gmail.com>
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docs/readme/README.zh-cn.md
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docs/readme/README.zh-cn.md
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# RMCP
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[](https://crates.io/crates/rmcp)
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[](https://docs.rs/rmcp/latest/rmcp)
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一个干净且完整的 MCP SDK
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## 使用
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### 导入
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```toml
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rmcp = { version = "0.1", features = ["server"] }
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## 或者开发者频道
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rmcp = { git = "https://github.com/modelcontextprotocol/rust-sdk", branch = "dev" }
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```
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### 快速上手
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你可以用一行代码，启动一个SSE客户端
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```rust
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use rmcp::{ServiceExt, transport::TokioChildProcess};
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use tokio::process::Command;
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let client = ().serve(
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TokioChildProcess::new(Command::new("npx").arg("-y").arg("@modelcontextprotocol/server-everything"))?
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).await?;
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```
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#### 1. 构建传输层
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```rust, ignore
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use tokio::io::{stdin, stdout};
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let transport = (stdin(), stdout());
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```
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传输层类型只需要实现 [`IntoTransport`](crate::transport::IntoTransport) trait, 这个特性允许你创建一个Sink和一个Stream
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对于客户端, Sink 的 Item 是 [`ClientJsonRpcMessage`](crate::model::ClientJsonRpcMessage)， Stream 的 Item 是 [`ServerJsonRpcMessage`](crate::model::ServerJsonRpcMessage)
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对于服务端, Sink 的 Item 是 [`ServerJsonRpcMessage`](crate::model::ServerJsonRpcMessage)， Stream 的 Item 是 [`ClientJsonRpcMessage`](crate::model::ClientJsonRpcMessage)
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##### 这些类型自动实现了 [`IntoTransport`](crate::transport::IntoTransport) trait
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1. 兼具 [`Sink`](futures::Sink) 与 [`Stream`](futures::Stream) 的
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2. 一对 Sink `Tx` Stream `Rx`, 类型 `(Tx, Rx)` 自动实现 [`IntoTransport`](crate::transport::IntoTransport)
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3. 兼具 [`tokio::io::AsyncRead`] 与 [`tokio::io::AsyncWrite`] 的
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4. 一对 Sink [`tokio::io::AsyncRead`] `R ` [`tokio::io::AsyncWrite`] `W`, 类型 `(R, W)`自动实现 [`IntoTransport`](crate::transport::IntoTransport)
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示例，你可以轻松创建一个TCP流来作为传输层. [examples](examples/README.md)
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#### 2. 构建服务
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你可以通过 [`ServerHandler`](crates/rmcp/src/handler/server.rs) 或 [`ClientHandler`](crates/rmcp/src/handler/client.rs) 轻松构建服务
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```rust, ignore
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let service = common::counter::Counter::new();
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```
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如果你想用 `tower`, 你也可以使用 [`TowerHandler`] 来作为tower服务的适配器.
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请参考 [服务用例](examples/servers/src/common/counter.rs).
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#### 3. 把他们组装到一起
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```rust, ignore
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// 这里会自动完成初始化流程
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let server = service.serve(transport).await?;
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```
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#### 4. 与服务端/客户端交互
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一旦你完成初始化，你可以发送请求或者发送通知
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```rust, ignore
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// request
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let roots = server.list_roots().await?;
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// or send notification
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server.notify_cancelled(...).await?;
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```
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#### 5. 等待服务结束
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```rust, ignore
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let quit_reason = server.waiting().await?;
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// or cancel it
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let quit_reason = server.cancel().await?;
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```
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### 使用宏来定义工具
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使用 `tool` 宏来快速创建工具
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请看这个[文件](examples/servers/src/common/calculator.rs).
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```rust, ignore
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use rmcp::{ServerHandler, model::ServerInfo, schemars, tool};
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use super::counter::Counter;
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#[derive(Debug, serde::Deserialize, schemars::JsonSchema)]
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pub struct SumRequest {
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#[schemars(description = "the left hand side number")]
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pub a: i32,
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#[schemars(description = "the right hand side number")]
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pub b: i32,
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}
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#[derive(Debug, Clone)]
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pub struct Calculator;
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// create a static toolbox to store the tool attributes
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#[tool(tool_box)]
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impl Calculator {
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// async function
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#[tool(description = "Calculate the sum of two numbers")]
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async fn sum(&self, #[tool(aggr)] SumRequest { a, b }: SumRequest) -> String {
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(a + b).to_string()
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}
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// sync function
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#[tool(description = "Calculate the sum of two numbers")]
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fn sub(
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&self,
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#[tool(param)]
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// this macro will transfer the schemars and serde's attributes
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#[schemars(description = "the left hand side number")]
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a: i32,
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#[tool(param)]
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#[schemars(description = "the right hand side number")]
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b: i32,
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) -> String {
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(a - b).to_string()
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}
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}
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// impl call_tool and list_tool by querying static toolbox
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#[tool(tool_box)]
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impl ServerHandler for Calculator {
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fn get_info(&self) -> ServerInfo {
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ServerInfo {
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instructions: Some("A simple calculator".into()),
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..Default::default()
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}
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}
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}
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```
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你要做的唯一事情就是保证函数的返回类型实现了 `IntoCallToolResult`.
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你可以为返回类型实现 `IntoContents`, 那么返回内容会被自动标记为成功。
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如果返回类型是 `Result<T, E>` ，其中 `T` 与 `E` 都实现了 `IntoContents`, 那就会自动标记成功或者失败。
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### 管理多个服务
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在很多情况下你需要把不同类型的服务管理在一个集合当中，你可以调用 `into_dyn` 来把他们都转化成动态类型。
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```rust, ignore
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let service = service.into_dyn();
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```
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### 用例
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查看 [用例文件夹](examples/README.md)
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### Features
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- `client`: 使用客户端sdk
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- `server`: 使用服务端sdk
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## 相关资源
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- [MCP Specification](https://spec.modelcontextprotocol.io/specification/2024-11-05/)
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- [Schema](https://github.com/modelcontextprotocol/specification/blob/main/schema/2024-11-05/schema.ts)
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