# NousResearch/hermes-agent · Silent truncation in file reads corrupts writes

## Open now

- 1 issue, 1 PR open on GitHub.
- #30655: kanban: read_file 500-line default truncates files silently, corrupts git history
- PR #30713: fix(tools): block write_file after truncated reads

These issues and fixes address a problem where read_file silently truncates files at a default line limit, and subsequent write_file operations then persist the truncated content, risking data loss or corrupted git history.

## TL;DR

- 3 member(s): 1 open issue(s), 0 closed issue(s), 1 open PR(s), 0 merged PR(s), 1 PR(s) closed without merging.
- No fix has been merged to main; one or more PRs were attempted (see below).
- **Recommended:** review the prior/competing PR(s) below. A fix was attempted but not merged; your case may extend or revive that work.

## 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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.

## Open related issues

- #30655: kanban: read_file 500-line default truncates files silently, corrupts git history

## Prior & competing PRs

- **#30695: fix(kanban): guard default-truncated worker file reads**. closed without merge
  - maintainer direction: category `partial_fix`; implication `needs_llm`
- **#30713: fix(tools): block write_file after truncated reads**. open
  - maintainer direction: category `partial_fix`; implication `needs_llm`; refs `#30695`
  - files: `tests/tools/test_file_read_guards.py`, `tests/tools/test_file_state_registry.py`, `tools/file_state.py`, `tools/file_tools.py`

## Fix status

- No merged fix on record.
- Subsystem: `agent`