# NousResearch/hermes-agent · MCP OAuth flow timeout and port collision fixes

## Open now

- 1 issue, 0 PRs open on GitHub.
- #103633: MCP OAuth: code→token exchange never completes for server with /mcp path (traveler.md); auto-retry crashes on 'callback port already in use'

These items address issues in the MCP OAuth code-to-token exchange, including incomplete flows for servers mounted at a /mcp path, crashes caused by callback port reuse, and propagation of an extended connect timeout for OAuth probes. The work targets endpoint discovery behind WAFs and slow consent screens.

## TL;DR

- 3 member(s): 1 open issue(s), 0 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 #114902. Verify it addresses your case.
- **Recommended:** read PR #114902 (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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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.

## Open related issues

- #103633: MCP OAuth: code→token exchange never completes for server with /mcp path (traveler.md); auto-retry crashes on 'callback port already in use'

## Prior & competing PRs

- **#114902: fix(mcp): OAuth login discovers the advertised endpoints behind a WAF and a slow consent no longer collides on the callback port (#113771, salvage #103640, #93095)**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `contributors/emails/[redacted:email]`, `hermes_cli/mcp_config.py`, `tests/hermes_cli/test_mcp_config.py`, `tests/tools/test_mcp_oauth.py`, `tests/tools/test_mcp_oauth_cold_load_expiry.py`, `tests/tools/test_mcp_oauth_discovery_requests.py`, `tools/mcp_oauth.py`, `tools/mcp_oauth_manager.py`, `tools/mcp_oauth_provider.py`, `website/docs/reference/mcp-config-reference.md`
- **#103640: fix(mcp): propagate an extended connect_timeout into config for OAuth probes**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `5a64a888dac3`, `#114902`, `#113771`, `#103640`, `#93095`

## Fix status

- Merged to main in PR #114902 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-09-18`.
- Subsystem: `mcp`