NousResearch/hermes-agent

MCP reconnect logic fixes and improvements

Cluster 66092 · mcp. Data as of 2026-10-28 11:56 UTC

Nothing open on GitHub. Fix merged in #68658 on 21 Jul 2026. Check it covers your case.

open issues

open PRs

items grouped

Known?: Yes. 3 related items grouped here, 1 issue already closed.
Fix event: A fix was merged to main in PR #68658. Check it covers your case. No release data is tracked.
Tracker: The maintainers' tracker marks this resolved, deciding PR #68658. That is separate from the fix event.
Still open: Nothing open on GitHub.

Next step: read #68658, then check it covers your case.

Read #68658 Pick up a Lab task

These items address how the MCP client handles reconnection when SDK task groups fail or drop, focusing on immediate reconnection, exception-group unwrapping, budget-bounded retries, and improved transition logging.

Open issues0

No open issues.

Open PRs0

No open pull requests.

Fixes on record

Merged to main. A stamp counts the issues a fix is linked to.

#68658 fix(mcp): budget-bounded reconnects, exception-group unwrapping, and per-transition logging

merged to main

files: tests/tools/test_mcp_failure_classification.py, tests/tools/test_mcp_rapid_drop_budget.py, tests/tools/test_mcp_reconnect_log_hygiene.py, tests/tools/test_mcp_transport_group_reconnect.py, tools/mcp_tool.py

1 PR closed without merging

From the close comments: merged via another change 1

#66271 fix(mcp): reconnect immediately on transport TaskGroup drop instead o… · merged via another change → #68658

Closed issues · 1

Closed#66092fix(mcp): catch SDK TaskGroup BaseExceptionGroup and reconnect immediately instead of backoff/park

How this cluster was grouped

Link evidence (structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
Pairwise link density 0.67: the share of item 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.

Pick up a Lab task

Check whether a fix covers the open issues here, with your own agent. Bring back evidence for maintainers.

Open the Lab

At a glance

Subsystem: mcp
Merged PRs: #68658
Closed issues: 1
Attempts: 1 PR closed without merging
Fix link checked: 21 Jul 2026

For your agent

The same facts, typed.

cluster/66092.json
cluster/66092.md