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NousResearch/hermes-agent

Double Ctrl+C during MCP shutdown leaking KeyboardInterrupt traceback

Cluster 39367 · hermes cli. Data as of

Nothing open on GitHub. Fix merged in #39479 on 5 Jun 2026. Check it covers your case.

The short answer

0open issues
0open PRs
4items grouped
Known?
Yes. 4 related items grouped here, 1 issue already closed.
Fix event
A fix was merged to main in PR #39479. Check it covers your case. No release data is tracked.
Tracker
The maintainers' tracker marks this resolved, deciding PR #39479. That is separate from the fix event.
Still open
Nothing open on GitHub.

Members concern a second Ctrl+C during MCP shutdown in the CLI producing a KeyboardInterrupt traceback. Three are pull requests proposing to catch BaseException in shutdown guards, and one is an issue describing the behavior; none of this indicates whether the change was merged or works.

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.

  • #39479 fix: catch BaseException in MCP shutdown guards to suppress double-Ctrl+C traceback

    merged to main

    files: cli.py, scripts/release.py, tools/mcp_tool.py

2 PRs closed without merging

From the close comments: merged via another change 1 · other 1

  • #39379 fix(cli): widen shutown guards to BaseException so 2nd Ctrl+C does not leak traceback (fixes #39367) · other → 1bcfe9c, e952957
  • #39453 fix: catch BaseException in MCP shutdown guards to suppress double-Ctrl+C traceback · merged via another change → #39479
Closed issues · 1
  • Closed#39367CLI: 2nd Ctrl+C during MCP shutdown escapes cleanup → KeyboardInterrupt traceback on exit
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(structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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 0.50: 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
hermes cli
Merged PRs
#39479
Closed issues
1
Attempts
2 PRs closed without merging
Fix link checked
5 Jun 2026

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