# NousResearch/hermes-agent · Gateway streaming linebreak at tool call boundaries

## Open now

- Nothing open on GitHub.

Multiple fixes and a bug report addressing missing newline/linebreak separators in gateway streaming output when text resumes after tool calls, causing concatenated or stacked blank lines.

## TL;DR

- 8 member(s): 0 open issue(s), 1 closed issue(s), 0 open PR(s), 2 merged PR(s), 5 PR(s) closed without merging.
- A fix was merged to main in PR #2413. Verify it addresses your case.
- **Recommended:** read PR #2413 (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-2413`. 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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 `0.25`: 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

- #2177: \[Bug\]: Gateway streaming concatenates resumed text after tool calls without linebreak

## Prior & competing PRs

- **#2259: fix(gateway): insert linebreak when streaming resumes after tool calls**. closed without merge · fix tier `suggested`
  - maintainer direction: category `uncategorized`; implication `needs_llm`
  - _suggested-tier fix detail withheld; re-request with `?tier=all` to include it._
- **#2376: fix(gateway): inject newline separator at stream iteration boundaries**. closed without merge · fix tier `suggested`
  - maintainer direction: category `uncategorized`; implication `needs_llm`; refs `#2473`, `#2433`
  - _suggested-tier fix detail withheld; re-request with `?tier=all` to include it._
- **#2413: fix: add iteration boundary linebreak to prevent stream concatenation**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`; implication `superseded`
  - files: `run_agent.py`
- **#2473: fix: defer streaming iteration linebreak to prevent blank line stacking**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`; implication `superseded`
  - files: `run_agent.py`
- **#2186: fix: add linebreak in gateway stream after tool calls (#2177)**. closed without merge
  - maintainer direction: category `duplicate_of`; implication `duplicate`
- **#2187: Fix: Add iteration boundary linebreak to prevent stream concatenation…**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `#2413`
- **#2433: fix: defer streaming iteration linebreak to prevent blank line stacking**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `#2473`

## Fix status

- Merged to main in PR #2413 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-03-22`. This confirmation is old and may be out of date (a revert/reopen would not have invalidated it here); re-verify.
- Subsystem: `agent`