fix sse client failing when not connecting to root

michaelpoluektov · michaelpoluektov · commit 88a28aa21124 · 2025-04-22T15:10:46.000+01:00
diff --git a/src/mcp/client/sse.py b/src/mcp/client/sse.py
@@ -61,7 +61,7 @@ async def sse_reader(
                                 logger.debug(f"Received SSE event: {sse.event}")
                                 match sse.event:
                                     case "endpoint":
-                                        endpoint_url = urljoin(url, sse.data)
+                                        endpoint_url = url.rstrip("/sse") + sse.data
                                         logger.info(
                                             f"Received endpoint URL: {endpoint_url}"
                                         )

Original file line number	Diff line number	Diff line change
`@@ -61,7 +61,7 @@ async def sse_reader(`
`61`	`61`	`logger.debug(f"Received SSE event: {sse.event}")`
`62`	`62`	`match sse.event:`
`63`	`63`	`case "endpoint":`
`64`		`- endpoint_url = urljoin(url, sse.data)`
	`64`	`+ endpoint_url = url.rstrip("/sse") + sse.data`
`65`	`65`	`logger.info(`
`66`	`66`	`f"Received endpoint URL: {endpoint_url}"`
`67`	`67`	`)`