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

feat(schema): support Object type for progressToken (#663)

Browse source 
Change progressToken from String to Object throughout McpSchema
to allow both String and Number token types.
This makes it compliant with the MCP spec.

Resolves: #659

Signed-off-by: Christian Tzolov <christian.tzolov@broadcom.com>
This commit is contained in:
Christian Tzolov 2025-11-12 15:20:44 +01:00 • committed by GitHub
commit b74f6de9dc
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
1 changed files with 7 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

14
mcp-core/src/main/java/io/modelcontextprotocol/spec/McpSchema.java
View file

@ -167,9 +167,9 @@ public final class McpSchema {
permits InitializeRequest, CallToolRequest, CreateMessageRequest, ElicitRequest, CompleteRequest,
GetPromptRequest, ReadResourceRequest, SubscribeRequest, UnsubscribeRequest, PaginatedRequest {
default String progressToken() {
default Object progressToken() {
if (meta() != null && meta().containsKey("progressToken")) {
return meta().get("progressToken").toString();
return meta().get("progressToken");
}
return null;
}
@ -1502,7 +1502,7 @@ public final class McpSchema {
return this;
}
public Builder progressToken(String progressToken) {
public Builder progressToken(Object progressToken) {
if (this.meta == null) {
this.meta = new HashMap<>();
}
@ -1912,7 +1912,7 @@ public final class McpSchema {
return this;
}
public Builder progressToken(String progressToken) {
public Builder progressToken(Object progressToken) {
if (this.meta == null) {
this.meta = new HashMap<>();
}
@ -2080,7 +2080,7 @@ public final class McpSchema {
return this;
}
public Builder progressToken(String progressToken) {
public Builder progressToken(Object progressToken) {
if (this.meta == null) {
this.meta = new HashMap<>();
}
@ -2217,13 +2217,13 @@ public final class McpSchema {
@JsonInclude(JsonInclude.Include.NON_ABSENT)
@JsonIgnoreProperties(ignoreUnknown = true)
public record ProgressNotification( // @formatter:off
@JsonProperty("progressToken") String progressToken,
@JsonProperty("progressToken") Object progressToken,
@JsonProperty("progress") Double progress,
@JsonProperty("total") Double total,
@JsonProperty("message") String message,
@JsonProperty("_meta") Map<String, Object> meta) implements Notification { // @formatter:on
public ProgressNotification(String progressToken, double progress, Double total, String message) {
public ProgressNotification(Object progressToken, double progress, Double total, String message) {
this(progressToken, progress, total, message, null);
}
}