# NousResearch/hermes-agent · OAuth authentication bugs and fixes for Qwen/MCP

## Open now

- 1 issue, 1 PR open on GitHub.
- #44592: OAuth token exchange fails when server returns application/x-www-form-urlencoded
- PR #44605: Fix MCP OAuth token exchange Accept header

Multiple bug reports and fix attempts addressing OAuth token exchange failures, including issues with response content types, missing headers, redirect handling, and compatibility with newer Qwen CLI authentication methods.

## TL;DR

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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

- #44592: OAuth token exchange fails when server returns application/x-www-form-urlencoded

## Prior & competing PRs

- **#44605: Fix MCP OAuth token exchange Accept header**. open
  - maintainer direction: category `uncategorized`; implication `needs_llm`
  - files: `tests/tools/test_mcp_oauth_manager.py`, `tools/mcp_oauth_manager.py`
- **#45552: fix(mcp-oauth): handle form-encoded OAuth token responses**. closed without merge
  - maintainer direction: category `superseded_by_pr`; implication `superseded`

## Fix status

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