# NousResearch/hermes-agent · Perplexity Agent API reserved tool name 400 errors

## Open now

- Nothing open on GitHub.

These items address HTTP 400 errors caused by reserved tool names and strict-schema issues in the Perplexity Agent API, affecting tool calls and MoA/aux-path aggregation. The work involves aliasing reserved names and correcting strict-mode schema drift to prevent silent fallback failures.

## 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 #114832. Verify it addresses your case.
- **Recommended:** read PR #114832 (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-114832`. 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

- #114260: Perplexity Agent API: reserved tool names + aux-path strict schema make every tool call / MoA aggregation 400 (silent fallback)

## Prior & competing PRs

- **#114832: fix(agent): Perplexity Agent API tool calls and aux/MoA calls stop 400ing on reserved tool names (#114260, salvage #103775, #114457)**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `agent/auxiliary_client.py`, `agent/transports/codex.py`, `tests/agent/test_auxiliary_client.py`, `tests/agent/transports/test_codex_transport.py`, `website/docs/integrations/providers.md`
- **#114457: fix(agent): alias reserved tool names and fix strict-mode drift for Perplexity**. closed without merge
  - maintainer direction: category `superseded_by_pr`; implication `superseded`; refs `5813725a989c`, `#114832`, `#114260`, `#103775`, `#114457`

## Fix status

- Merged to main in PR #114832 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-09-18`.