# NousResearch/hermes-agent · prompt_cache_options leaking into API call kwargs

## Open now

- Nothing open on GitHub.

A bug where prompt_cache_options from request_overrides leaks as a top-level kwarg, causing a TypeError, along with fixes addressing this sanitization gap in the transports layer.

## 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 #124093. Verify it addresses your case.
- **Recommended:** read PR #124093 (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-124093`. 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

- #123847: \[Bug\]: prompt_cache_options from request_overrides leaks as a top-level Responses.create kwarg (TypeError) despite the Astra sanitizer

## Prior & competing PRs

- **#124093: fix(transports): drop prompt_cache_options leaking from request_overrides**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `agent/transports/codex.py`, `tests/agent/transports/test_codex_transport.py`
- **#123857: fix(transports): drop prompt_cache_options leaking from request_overrides**. closed without merge
  - maintainer direction: category `implemented_elsewhere`; implication `superseded`; refs `07da054cf1`, `c0cb1d7a34`, `#124093`

## Fix status

- Merged to main in PR #124093 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-09-26`.