# NousResearch/hermes-agent · Remove maxLength from clarify choices schema for llama.cpp

## Open now

- Nothing open on GitHub.

A bug where the clarify tool's schema included a maxLength constraint that llama.cpp servers cannot parse into a grammar, causing every request to fail. The fixes drop that maxLength field from the choices schema.

## 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 #131286. Verify it addresses your case.
- **Recommended:** read PR #131286 (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-131286`. 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

- #131278: \[Bug\]: clarify tool schema \`maxLength: 8000\` breaks every request on llama.cpp servers ("Failed to initialize samplers: failed to parse grammar")

## Prior & competing PRs

- **#131286: fix(clarify): drop maxLength from the choices schema so llama.cpp can parse the grammar**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `tests/tools/test_schema_sanitizer.py`, `tools/clarify_tool.py`
- **#131291: fix(tools): drop schema-level maxLength from clarify choices for llama.cpp servers**. closed without merge
  - maintainer direction: category `superseded_by_pr`; implication `superseded`; refs `#131286`

## Fix status

- Merged to main in PR #131286 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-10-04`.