# NousResearch/hermes-agent · Memory tool: partial edits via replace overwrite sibling facts

## Open now

- Nothing open on GitHub.

These members describe the memory tool's 'replace' action overwriting an entire entry during partial edits, which can silently lose other facts. Two propose or reference adding a 'patch' action for partial edits, and one also mentions explicit targets.

## 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 #137523. Verify it addresses your case.
- **Recommended:** read PR #137523 (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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

- #124582: memory tool: replace silently overwrites the whole entry on partial edits (silent fact loss)

## Prior & competing PRs

- **#137523: fix(memory): explicit targets and a patch action from NVIDIA batch (#127968, #124681)**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `agent/background_review.py`, `agent/display.py`, `agent/inline_tool_executors.py`, `agent/memory_manager.py`, `agent/memory_provider.py`, `contributors/emails/[redacted:email]`, `hermes_cli/write_approval_commands.py`, `tests/agent/test_background_review_memory_scope.py`, `tests/agent/test_display.py`, `tests/agent/test_inline_tool_executors_memory_args.py`, `tests/agent/test_memory_write_bridge.py`, `tests/fixtures/prompt_surface/surfaces.json`, `tests/fixtures/prompt_surface/tools/memory.json`, `tests/hermes_cli/test_shared_metrics_loop.py`, `tests/tools/test_memory_patch_action.py`, `tests/tools/test_memory_target_contract.py`, `tests/tools/test_memory_tool.py`, `tests/tools/test_write_approval.py`, `tools/memory_tool.py`, `tools/memory_tool_store.py` (+1 more)
- **#124681: fix(memory): add 'patch' action for partial edits so replace stops eating sibling facts**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `e3c3d273901`, `#137523`

## Fix status

- Merged to main in PR #137523 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-10-13`.
- Subsystem: `agent`