# NousResearch/hermes-agent · Concurrent skill mutation race condition and fix

## Open now

- Nothing open on GitHub.

A race condition in skill_manage allows concurrent writers to silently overwrite each other's updates due to missing locking. The related items address serializing concurrent skill mutations to prevent lost edits.

## 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 #112218. Verify it addresses your case.
- **Recommended:** read PR #112218 (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-112218`. 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

- #111578: skill_manage read-modify-write has no lock — concurrent writers can silently lose an update

## Prior & competing PRs

- **#112218: fix(skills): concurrent skill_manage writers no longer lose each other's edits (#111578, salvage #111585)**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `agent/curator_backup.py`, `agent/learning_graph.py`, `agent/skill_commands.py`, `agent/skill_utils.py`, `tests/tools/test_skill_manager_tool.py`, `tests/tools/test_skill_usage.py`, `tools/skill_ledger.py`, `tools/skill_manager_batch.py`, `tools/skill_manager_tool.py`, `tools/skill_usage.py`
- **#111585: fix(skills): serialize concurrent skill mutations**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `54ed7cbb7b`, `#112218`

## Fix status

- Merged to main in PR #112218 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-09-16`.