# NousResearch/hermes-agent · IndexError from whitespace-only input in build_plan_path

## Open now

- Nothing open on GitHub.

Multiple bug reports and proposed fixes addressing an unguarded str.split() index access in build_plan_path that raises an IndexError when given whitespace-only input. Related guards are also proposed for Slack command text parsing.

## TL;DR

- 5 member(s): 0 open issue(s), 1 closed issue(s), 0 open PR(s), 0 merged PR(s), 4 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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 `0.40`: 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

- #7576: \[Bug\]: IndexError in build_plan_path on whitespace-only input

## Prior & competing PRs

- **#7613: fix(plan): guard build_plan_path against whitespace-only input**. closed without merge · fix tier `suggested`
  - maintainer direction: category `superseded_by_pr`; implication `superseded`; refs `#7474`
- **#7474: fix(skills): prevent IndexError in build_plan_path on whitespace-only input**. closed without merge
  - maintainer direction: category `volume_quota`; implication `active`
- **#7692: fix: guard build_plan_path against whitespace-only input**. closed without merge
  - maintainer direction: category `duplicate_of`; implication `duplicate`; refs `#7474`, `#7613`
- **#9102: fix(agent): handle whitespace-only input in build_plan_path**. closed without merge
  - maintainer direction: category `implemented_elsewhere`; implication `superseded`; refs `b2e124d08`, `#15047`

## Fix status

- No merged fix on record.