# NousResearch/hermes-agent · Fix credential pool rotation on usage-limit 429

## Open now

- Nothing open on GitHub.

These issues and PRs address a bug where the credential pool was not rotating immediately upon receiving a usage-limit-reached 429 response, instead exhausting the current credential before switching. Multiple fixes and the original bug report all target this same rotation behavior.

## 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 #27162. Verify it addresses your case.
- **Recommended:** read PR #27162 (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-27162`. 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

- #26388: \[Bug\]: Codex usage_limit_reached 429 retries exhausted pool credential once before rotating

## Prior & competing PRs

- **#27162: fix(codex): rotate pool on usage_limit_reached 429**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `run_agent.py`, `tests/run_agent/test_run_agent.py`
- **#26390: fix(codex): rotate credential pool on usage-limit 429**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `#27162`

## Fix status

- Merged to main in PR #27162 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-05-16`.