# NousResearch/hermes-agent · Bedrock tool name character sanitization fixes

## Open now

- 1 issue, 2 PRs open on GitHub.
- #90008: \[Bug\]: Bedrock ConverseStream fails when toolUse.name contains unsupported characters
- PR #90016: fix(bedrock): sanitize tool names to the Converse pattern in specs and replayed history
- PR #122253: fix(bedrock): coerce replayed toolUse.name to the Converse name pattern

These issues and PRs address a bug where Bedrock ConverseStream fails when tool use names contain characters unsupported by the Converse API's naming pattern. The fixes apply sanitization to tool names in specs, replayed history, and streamed responses.

## TL;DR

- 3 member(s): 1 open issue(s), 0 closed issue(s), 2 open PR(s), 0 merged PR(s), 0 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

- #90008: \[Bug\]: Bedrock ConverseStream fails when toolUse.name contains unsupported characters

## Prior & competing PRs

- **#90016: fix(bedrock): sanitize tool names to the Converse pattern in specs and replayed history**. open
  - maintainer direction: category `uncategorized`; implication `needs_llm`; refs `00888e80a`, `#89968`, `#89987`
  - files: `agent/bedrock_adapter.py`, `tests/agent/test_bedrock_adapter.py`
- **#122253: fix(bedrock): coerce replayed toolUse.name to the Converse name pattern**. open
  - maintainer direction: category `silent_close`; implication `active`
  - files: `agent/bedrock_adapter.py`, `tests/agent/test_bedrock_adapter.py`

## Fix status

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