# NousResearch/hermes-agent · Add name field to tool messages for Gemini

## Open now

- Nothing open on GitHub.

These issues and PRs address a missing \`name\` field on role:tool messages that causes HTTP 400 errors with the Gemini API. The fix ensures the name field is included on every such message for compatibility.

## 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 #19728. Verify it addresses your case.
- **Recommended:** read PR #19728 (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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

- #16478: Fix: Missing \`name\` field in tool messages causes Gemini API HTTP 400

## Prior & competing PRs

- **#19728: fix(agent): include name field on every role:tool message for Gemini compatibility**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `run_agent.py`, `tests/run_agent/test_agent_guardrails.py`, `tests/run_agent/test_tool_call_args_sanitizer.py`
- **#16482: fix(agent): include name field on every role:tool message for Gemini compatibility**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `#19728`

## Fix status

- Merged to main in PR #19728 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-05-04`.