# NousResearch/hermes-agent · Suppress asyncio subprocess teardown noise in MCP

## Open now

- 1 issue, 0 PRs open on GitHub.
- #81175: fix: suppress benign asyncio subprocess-transport teardown noise (RuntimeError: Event loop is closed)

These items address suppressing benign RuntimeError noise that occurs during asyncio subprocess-transport teardown in MCP-related tooling. The changes appear to target stdio subprocess cleanup logging or error output.

## TL;DR

- 4 member(s): 1 open issue(s), 0 closed issue(s), 0 open PR(s), 0 merged PR(s), 3 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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 `0.50`: 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

- #81175: fix: suppress benign asyncio subprocess-transport teardown noise (RuntimeError: Event loop is closed)

## Prior & competing PRs

- **#81210: fix(mcp_tool): silence benign asyncio stdio subprocess teardown noise**. closed without merge
  - maintainer direction: category `stale_abandoned`; implication `active`
- **#81467: fix(mcp): suppress benign asyncio subprocess-transport teardown noise (#81175)**. closed without merge
  - maintainer direction: category `duplicate_of`; implication `duplicate`; refs `#81210`, `#81175`
- **#128587: fix(mcp): suppress benign asyncio subprocess-transport teardown noise**. closed without merge
  - maintainer direction: category `uncategorized`; implication `needs_llm`

## Fix status

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