NousResearch/hermes-agent

SSE header flushing and CORS fixes for run events

Cluster 80757 · gateway. Data as of 2026-10-29 11:48 UTC

Nothing open on GitHub. Fix merged in #121745 on 25 Sep 2026. Check it covers your case.

open issues

open PRs

items grouped

Known?: Yes. 3 related items grouped here, 1 issue already closed.
Fix event: A fix was merged to main in PR #121745. Check it covers your case. No release data is tracked.
Tracker: The maintainers' tracker marks this resolved, deciding PR #121745. That is separate from the fix event.
Still open: Nothing open on GitHub.

Next step: read #121745, then check it covers your case.

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These items address SSE response headers not being flushed immediately on the run-events endpoint, causing clients to appear hung, along with related CORS and tool failure reporting concerns. The work spans gateway and API server layers.

Open issues0

No open issues.

Open PRs0

No open pull requests.

Fixes on record

Merged to main. A stamp counts the issues a fix is linked to.

#121745 fix(api-server): CORS on every SSE stream, flush run-events head, report failed tools as tool.failed

merged to main

files: contributors/emails/[email protected], gateway/platforms/api_server.py, gateway/platforms/api_server_openai_routes.py, gateway/platforms/api_server_runs.py, tests/gateway/test_api_server.py, tests/gateway/test_api_server_runs.py, tests/gateway/test_session_api.py, website/docs/user-guide/features/api-server.md

1 PR closed without merging

From the close comments: duplicate 1

#80871 fix(gateway): flush SSE response headers immediately on /v1/runs/events (#80757) · duplicate → #80776

Closed issues · 1

Closed#80757SSE response headers not flushed in _handle_run_events — clients appear hung for up to 30s

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(structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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. 1.00 means every pair is linked.

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At a glance

Subsystem: gateway
Merged PRs: #121745
Closed issues: 1
Attempts: 1 PR closed without merging
Fix link checked: 25 Sep 2026

For your agent

The same facts, typed.

cluster/80757.json
cluster/80757.md