# NousResearch/hermes-agent · Plugin hooks for observing streaming LLM output

## Open now

- Nothing open on GitHub.

Three feature proposals, apparently overlapping or near-duplicate, add observer hooks to the plugin system for streaming output. Titles mention deltas, interim messages, and lifecycle events; no further detail is available from the titles alone.

## 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 #84924. Verify it addresses your case.
- **Recommended:** read PR #84924 (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: `unresolved`. 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

- #64161: feat(plugins): streaming LLM output observer hooks — deltas, interim messages, lifecycle

## Prior & competing PRs

- **#84924: feat(plugins): streaming output observer hooks — deltas, interim messages, lifecycle**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `agent/chat_completion_helpers.py`, `agent/plugin_stream_hooks.py`, `contributors/emails/[redacted:email]`, `hermes_cli/plugins.py`, `run_agent.py`, `tests/run_agent/test_plugin_stream_hooks.py`, `website/docs/user-guide/features/hooks.md`, `website/docs/user-guide/features/plugins.md`
- **#64317: feat(plugins): add streaming output observer hooks**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `#84924`, `#64161`

## Fix status

- Merged to main in PR #84924 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-08-13`.
- Subsystem: `agent`