modelcontextprotocol/rust-sdk
Watch
1
0
Fork
You've already forked rust-sdk
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions 1

feat: add meta to elicitation results (#792)

Browse source
This commit is contained in:
Matthew Zeng 2026-04-08 12:07:04 -07:00 • committed by GitHub
commit 5f432834a1
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
5 changed files with 80 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

31
crates/rmcp/tests/test_elicitation.rs
View file

@ -1,6 +1,6 @@
//cargo test --test test_elicitation --features "client server"
use rmcp::{model::*, service::*};
use rmcp::{model::*, object, service::*};
// For typed elicitation tests
#[cfg(feature = "schemars")]
use schemars::JsonSchema;
@ -98,6 +98,7 @@ async fn test_elicitation_result_serialization() {
let accept_result = CreateElicitationResult {
action: ElicitationAction::Accept,
content: Some(json!({"email": "user@example.com"})),
meta: None,
};
let json = serde_json::to_value(&accept_result).unwrap();
@ -111,6 +112,7 @@ async fn test_elicitation_result_serialization() {
let decline_result = CreateElicitationResult {
action: ElicitationAction::Decline,
content: None,
meta: None,
};
let json = serde_json::to_value(&decline_result).unwrap();
@ -124,6 +126,26 @@ async fn test_elicitation_result_serialization() {
let deserialized: CreateElicitationResult = serde_json::from_value(expected).unwrap();
assert_eq!(deserialized.action, ElicitationAction::Decline);
assert_eq!(deserialized.content, None);
assert_eq!(deserialized.meta, None);
// Test protocol-level metadata round-trips as _meta.
let meta_result =
CreateElicitationResult::new(ElicitationAction::Accept).with_meta(Meta(object!({
"traceId": "elicitation-123"
})));
let json = serde_json::to_value(&meta_result).unwrap();
let expected = json!({
"action": "accept",
"_meta": {"traceId": "elicitation-123"}
});
assert_eq!(json, expected);
let deserialized: CreateElicitationResult = serde_json::from_value(expected).unwrap();
assert_eq!(
deserialized.meta,
Some(Meta(object!({ "traceId": "elicitation-123" })))
);
}
/// Test that elicitation requests can be created and handled through the JSON-RPC protocol
@ -843,6 +865,7 @@ async fn test_elicitation_direction_server_to_client() {
let client_result = ClientResult::CreateElicitationResult(CreateElicitationResult {
action: ElicitationAction::Accept,
content: Some(json!("John Doe")),
meta: None,
});
// Verify client result can be serialized
@ -893,6 +916,7 @@ async fn test_elicitation_json_rpc_direction() {
ClientResult::CreateElicitationResult(CreateElicitationResult {
action: ElicitationAction::Accept,
content: Some(json!(true)),
meta: None,
}),
RequestId::Number(1),
);
@ -928,6 +952,7 @@ async fn test_elicitation_actions_compliance() {
ElicitationAction::Accept => Some(serde_json::json!("some data")),
_ => None,
},
meta: None,
};
let json = serde_json::to_value(&result).unwrap();
@ -958,6 +983,7 @@ async fn test_elicitation_result_in_client_result() {
let result = ClientResult::CreateElicitationResult(CreateElicitationResult {
action: ElicitationAction::Decline,
content: None,
meta: None,
});
match result {
@ -2161,6 +2187,7 @@ async fn test_url_elicitation_action_workflow() {
let accept_result = CreateElicitationResult {
action: ElicitationAction::Accept,
content: None, // URL elicitation doesn't return content, just confirmation
meta: None,
};
let json = serde_json::to_value(&accept_result).unwrap();
@ -2172,6 +2199,7 @@ async fn test_url_elicitation_action_workflow() {
let decline_result = CreateElicitationResult {
action: ElicitationAction::Decline,
content: None,
meta: None,
};
let json = serde_json::to_value(&decline_result).unwrap();
@ -2181,6 +2209,7 @@ async fn test_url_elicitation_action_workflow() {
let cancel_result = CreateElicitationResult {
action: ElicitationAction::Cancel,
content: None,
meta: None,
};
let json = serde_json::to_value(&cancel_result).unwrap();

8
crates/rmcp/tests/test_message_schema/client_json_rpc_message_schema.json
View file

@ -418,6 +418,14 @@
"description": "The result returned by a client in response to an elicitation request.\n\nContains the user's decision (accept/decline/cancel) and optionally their input data\nif they chose to accept the request.",
"type": "object",
"properties": {
"_meta": {
"description": "Optional protocol-level metadata for this result.",
"type": [
"object",
"null"
],
"additionalProperties": true
},
"action": {
"description": "The user's decision on how to handle the elicitation request",
"allOf": [

8
crates/rmcp/tests/test_message_schema/client_json_rpc_message_schema_current.json
View file

@ -418,6 +418,14 @@
"description": "The result returned by a client in response to an elicitation request.\n\nContains the user's decision (accept/decline/cancel) and optionally their input data\nif they chose to accept the request.",
"type": "object",
"properties": {
"_meta": {
"description": "Optional protocol-level metadata for this result.",
"type": [
"object",
"null"
],
"additionalProperties": true
},
"action": {
"description": "The user's decision on how to handle the elicitation request",
"allOf": [

8
crates/rmcp/tests/test_message_schema/server_json_rpc_message_schema.json
View file

@ -655,6 +655,14 @@
"description": "The result returned by a client in response to an elicitation request.\n\nContains the user's decision (accept/decline/cancel) and optionally their input data\nif they chose to accept the request.",
"type": "object",
"properties": {
"_meta": {
"description": "Optional protocol-level metadata for this result.",
"type": [
"object",
"null"
],
"additionalProperties": true
},
"action": {
"description": "The user's decision on how to handle the elicitation request",
"allOf": [

14
crates/rmcp/tests/test_message_schema/server_json_rpc_message_schema_current.json
View file

@ -388,6 +388,7 @@
"content": {
"description": "The content returned by the tool (text, images, etc.)",
"type": "array",
"default": [],
"items": {
"$ref": "#/definitions/Annotated"
}
@ -402,10 +403,7 @@
"structuredContent": {
"description": "An optional JSON object that represents the structured result of the tool call"
}
},
"required": [
"content"
]
}
},
"CancelTaskResult": {
"description": "Response to a `tasks/cancel` request.\n\nPer spec, `CancelTaskResult = allOf[Result, Task]` — same shape as `GetTaskResult`.",
@ -657,6 +655,14 @@
"description": "The result returned by a client in response to an elicitation request.\n\nContains the user's decision (accept/decline/cancel) and optionally their input data\nif they chose to accept the request.",
"type": "object",
"properties": {
"_meta": {
"description": "Optional protocol-level metadata for this result.",
"type": [
"object",
"null"
],
"additionalProperties": true
},
"action": {
"description": "The user's decision on how to handle the elicitation request",
"allOf": [