Add ondelete hook to StreamableHTTPServerTransport

jerome3o-anthropic · claude · jerome3o-anthropic · commit afb89715695f · 2025-07-07T14:44:35.000+01:00
Adds optional ondelete callback that fires when DELETE request is received, providing the sessionId for cleanup handling. 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
diff --git a/src/server/streamableHttp.ts b/src/server/streamableHttp.ts
@@ -133,6 +133,7 @@ export class StreamableHTTPServerTransport implements Transport {
 
   sessionId?: string;
   onclose?: () => void;
+  ondelete?: (sessionId: string) => void;
   onerror?: (error: Error) => void;
   onmessage?: (message: JSONRPCMessage, extra?: MessageExtraInfo) => void;
 
@@ -538,6 +539,7 @@ export class StreamableHTTPServerTransport implements Transport {
     if (!this.validateProtocolVersion(req, res)) {
       return;
     }
+    this.ondelete?.(this.sessionId!);
     await this.close();
     res.writeHead(200).end();
   }

Original file line number	Diff line number	Diff line change
`@@ -133,6 +133,7 @@ export class StreamableHTTPServerTransport implements Transport {`
`133`	`133`
`134`	`134`	`sessionId?: string;`
`135`	`135`	`onclose?: () => void;`
	`136`	`+ ondelete?: (sessionId: string) => void;`
`136`	`137`	`onerror?: (error: Error) => void;`
`137`	`138`	`onmessage?: (message: JSONRPCMessage, extra?: MessageExtraInfo) => void;`
`138`	`139`
`@@ -538,6 +539,7 @@ export class StreamableHTTPServerTransport implements Transport {`
`538`	`539`	`if (!this.validateProtocolVersion(req, res)) {`
`539`	`540`	`return;`
`540`	`541`	`}`
	`542`	`+ this.ondelete?.(this.sessionId!);`
`541`	`543`	`await this.close();`
`542`	`544`	`res.writeHead(200).end();`
`543`	`545`	`}`