# NousResearch/hermes-agent · xAI OAuth 403 error for non-Heavy tier users

## Open now

- Nothing open on GitHub.

A bug report and associated fix attempts address HTTP 403 errors returned by the xai-oauth integration for standard SuperGrok subscribers, where the backend appears to enforce Heavy-tier access. The proposed fix involves surfacing the 403 and falling back to API-key authentication.

## 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 #28351. Verify it addresses your case.
- **Recommended:** read PR #28351 (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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

- #26847: \[Bug\]: xAI OAuth (xai-oauth) returns HTTP 403 for standard SuperGrok subscribers — backend enforcing Heavy-only despite docs claiming all tiers

## Prior & competing PRs

- **#28351: fix(xai-oauth): surface tier-gated 403 with API-key fallback (closes #26847)**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `agent/agent_runtime_helpers.py`, `hermes_cli/auth.py`, `tests/hermes_cli/test_auth_xai_oauth_provider.py`, `tests/run_agent/test_codex_xai_oauth_recovery.py`, `website/docs/guides/xai-grok-oauth.md`
- **#26855: fix(xai-oauth): surface tier-gated 403 with API-key fallback (closes #26847)**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `cb53c40e4`, `#28351`, `#26847`

## Fix status

- Merged to main in PR #28351 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-05-19`.
- Subsystem: `agent/secret_sources`