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feat!: align model types with MCP 2025-11-25 spec (#927)

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* feat!: align model types with MCP 2025-11-25 spec

* fix: complete 2025-11-25 model spec conformance
This commit is contained in:
Dale Seo 2026-06-24 20:41:13 -04:00 • committed by GitHub
commit 77932141e3
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1 changed files with 4321 additions and 3886 deletions
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26
examples/clients/src/task_stdio.rs
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@ -11,8 +11,8 @@ use anyhow::{Result, anyhow};
use rmcp::{
ServiceExt,
model::{
CallToolRequestParams, CallToolResult, ClientRequest, GetTaskInfoParams,
GetTaskResultParams, JsonObject, Request, ServerResult, TaskStatus,
CallToolRequestParams, CallToolResult, ClientRequest, GetTaskParams, GetTaskPayloadParams,
Request, ServerResult, TaskMetadata, TaskStatus,
},
object,
transport::{ConfigureCommandExt, TokioChildProcess},
@ -53,14 +53,14 @@ async fn main() -> Result<()> {
.await?;
tracing::info!("quick_echo -> {echo:#?}");
// 2) Task call. `slow_sum` is task_support = required, so we MUST attach a
// `task` object. An empty object is fine — clients can stash arbitrary
// metadata here that the server-side `OperationDescriptor` will keep.
// 2) Task call. `slow_sum` is task_support = required, so we MUST attach
// `task` metadata. An empty `TaskMetadata` is fine; use `.with_ttl(...)`
// to set a retention window.
let create = client
.send_request(ClientRequest::CallToolRequest(Request::new(
CallToolRequestParams::new("slow_sum")
.with_arguments(object!({ "a": 40, "b": 2 }))
.with_task(JsonObject::new()),
.with_task(TaskMetadata::new()),
)))
.await?;
let ServerResult::CreateTaskResult(create) = create else {
@ -77,11 +77,8 @@ async fn main() -> Result<()> {
tokio::time::sleep(std::time::Duration::from_millis(250)).await;
let info = client
.send_request(ClientRequest::GetTaskInfoRequest(Request::new(
GetTaskInfoParams {
meta: None,
task_id: task_id.clone(),
},
.send_request(ClientRequest::GetTaskRequest(Request::new(
GetTaskParams::new(task_id.clone()),
)))
.await?;
let ServerResult::GetTaskResult(info) = info else {
@ -108,11 +105,8 @@ async fn main() -> Result<()> {
// here. (For a non-tool task the same value would surface as
// `ServerResult::CustomResult` and need manual `serde_json::from_value`.)
let payload = client
.send_request(ClientRequest::GetTaskResultRequest(Request::new(
GetTaskResultParams {
meta: None,
task_id: task_id.clone(),
},
.send_request(ClientRequest::GetTaskPayloadRequest(Request::new(
GetTaskPayloadParams::new(task_id.clone()),
)))
.await?;
let call_result: CallToolResult = match payload {