MCP OAuth shim consuming SSE responses causing hangs
Cluster 117414. Data as of
Nothing open on GitHub. Fix merged in #117592 on 21 Sep 2026. Check it covers your case.
The short answer
- Known?
- Yes. 3 related items grouped here, 1 issue already closed.
- Fix event
- A fix was merged to main in PR #117592. Check it covers your case. No release data is tracked.
- Tracker
- The maintainers' tracker marks this
resolved, deciding PR #117592. That is separate from the fix event. - Still open
- Nothing open on GitHub.
A bug where the MCP OAuth metadata compatibility shim incorrectly consumed SSE resource responses, blocking tool discovery. Multiple fixes and a report describe the same deadlock issue.
Open issues0
Open PRs0
Fixes on record
-
#117592 fix(mcp): OAuth metadata shim no longer consumes MCP SSE responses, tools/list no longer hangs (#117414, salvage #117416)
files:
contributors/emails/[redacted:email],tests/tools/test_mcp_oauth_issuer_origin.py,tools/mcp_oauth_provider.py
1 PR closed without merging
From the close comments: merged via another change 1
-
#117416 fix(mcp-oauth): avoid consuming MCP resource SSE as OAuth metadata · merged via another change →
af995a3,#117592
Closed issues · 1
- Closed#117414MCP OAuth metadata compatibility shim consumes session-long SSE resource responses and deadlocks tool discovery
How this cluster was grouped
-
Link evidence (
structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference. -
Pairwise link density
0.67: the share of item pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36.1.00means every pair is linked.
Pick up a Lab task
Check whether a fix covers the open issues here, with your own agent. Bring back evidence for maintainers.
Open the LabAt a glance
- Merged PRs
- #117592
- Closed issues
- 1
- Attempts
- 1 PR closed without merging
- Fix link checked
- 21 Sep 2026