Plugin hooks for auxiliary LLM call observability
Cluster 79733 · agent. Data as of
Nothing open on GitHub. Fix merged in #118909 on 22 Sep 2026. Check it covers your case.
The short answer
- Known?
- Yes. 3 related items grouped here, 1 issue already closed.
- Fix event
- A fix was merged to main in PR #118909. Check it covers your case. No release data is tracked.
- Tracker
- The maintainers' tracker marks this
resolved, deciding PR #118909. That is separate from the fix event. - Still open
- Nothing open on GitHub.
These items address a gap where auxiliary LLM calls (such as approval, title generation, and compression) were invisible to plugin hooks, preventing observability tools like Langfuse from tracking them. The work involves adding pre/post hook firing for auxiliary calls so plugins can observe them.
Open issues0
Open PRs0
Fixes on record
-
#118909 Plugins can observe auxiliary LLM calls via pre/post_auxiliary_call (#79733, supersedes #32416 #68060 #77518 #79826)
files:
agent/AGENTS.md,agent/auxiliary_client.py,agent/auxiliary_hooks.py,hermes_cli/hooks.py,hermes_cli/plugins.py,hermes_cli/plugins_dispatch.py,plugins/AGENTS.md,tests/agent/test_auxiliary_hooks.py,website/docs/developer-guide/observer-hooks.md,website/docs/developer-guide/plugins/index.md,website/docs/user-guide/features/hooks.md,website/docs/user-guide/features/plugins.md
1 PR closed without merging
From the close comments: merged via another change 1
-
#79826 fix(agent): fire plugin hooks for auxiliary LLM calls · merged via another change →
966d091,#79733,#118909
Closed issues · 1
- Closed#79733[Bug]: auxiliary_client.py never fires plugin hooks — approval/title_generation/compression calls invisible to Langfuse and all hook-based observability plugins
How this cluster was grouped
-
Link evidence (
structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference. -
Pairwise link density
0.67: the share of item pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36.1.00means every pair is linked.
Pick up a Lab task
Check whether a fix covers the open issues here, with your own agent. Bring back evidence for maintainers.
Open the LabAt a glance
- Subsystem
- agent
- Merged PRs
- #118909
- Closed issues
- 1
- Attempts
- 1 PR closed without merging
- Fix link checked
- 22 Sep 2026