# NousResearch/hermes-agent · Remove internal flush sentinel from external API calls

## Open now

- Nothing open on GitHub.

These issues and PRs concern an internal \`_flush_sentinel\` marker that was leaking into messages sent to external API providers. The work involves stripping or removing this marker before outbound API calls, along with related memory-flush refactoring.

## 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 #227. Verify it addresses your case.
- **Recommended:** read PR #227 (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-227`. 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

- #226: Internal _flush_sentinel marker leaks to external API providers

## Prior & competing PRs

- **#227: fix(agent): strip _flush_sentinel from API messages**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `run_agent.py`, `tests/test_run_agent.py`
- **#236: fix: strip _flush_sentinel from API messages before sending**. closed without merge
  - maintainer direction: category `superseded_by_pr`; implication `superseded`; refs `#227`

## Fix status

- Merged to main in PR #227 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-03-02`. This confirmation is old and may be out of date (a revert/reopen would not have invalidated it here); re-verify.