# NousResearch/hermes-agent · Tirith circuit breaker half-open fix

## Open now

- Nothing open on GitHub.

These items address a bug where the Tirith circuit breaker would permanently open after transient failures, disabling command security checks for the lifetime of the process. The work involves changing the circuit breaker to half-open and resume scanning after failures rather than latching open indefinitely.

## TL;DR

- 3 member(s): 0 open issue(s), 1 closed issue(s), 0 open PR(s), 1 merged PR(s), 1 PR(s) closed without merging.
- A fix was merged to main in PR #114844. Verify it addresses your case.
- **Recommended:** read PR #114844 (and any competing PRs below) before filing. Confirm the merged change covers your symptom.

## Maintainer resolution verdict

- Internal-tracker verdict over this cluster's issue members: `resolved` · deciding PR(s): `pr-114844`. This is distinct from the fix status above. Weigh it yourself.

## How this cluster was grouped

- Link evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
- Pairwise link density `0.67`: the share of member 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.

## Closed / duplicate issues

- #113744: \[Bug\]: tirith circuit breaker never closes — three transient failures disable command security for the rest of the process

## Prior & competing PRs

- **#114844: fix(tirith): circuit breaker half-opens and resumes scanning after transient failures (#113744, salvage #73167)**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `tests/tools/test_tirith_security.py`, `tools/tirith_security.py`, `website/docs/user-guide/security.md`
- **#73167: fix(tirith): half-open the circuit breaker instead of latching it open for the process lifetime**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `fbbe916fa485`, `#114844`, `#113744`, `#73167`

## Fix status

- Merged to main in PR #114844 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-09-18`.
- Subsystem: `agent/verify`