Cairn
NousResearch/hermes-agent

Skip MCP preflight probe on reconnect

Cluster 40366. Data as of

Nothing open on GitHub. Fix merged in #40604 on 7 Jun 2026. Check it covers your case.

The short answer

0open issues
0open PRs
3items grouped
Known?
Yes. 3 related items grouped here, 1 issue already closed.
Fix event
A fix was merged to main in PR #40604. Check it covers your case. No release data is tracked.
Tracker
The maintainers' tracker marks this resolved, deciding PR #40604. That is separate from the fix event.
Still open
Nothing open on GitHub.

These items address skipping the HTTP/MCP preflight content-type probe during reconnection when the connection is already in a ready state. The focus is on avoiding redundant preflight checks on reconnect.

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.

  • #40604 fix: skip MCP preflight content-type probe on reconnect when already ready

    merged to main

    files: tests/tools/test_mcp_tool.py, tools/mcp_tool.py

1 PR closed without merging

From the close comments: other 1

  • #40548 perf(mcp): skip preflight probe on reconnect · other → #40604
Closed issues · 1
  • Closed#40366perf(mcp): skip HTTP preflight probe on reconnect
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(structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

Merged PRs
#40604
Closed issues
1
Attempts
1 PR closed without merging
Fix link checked
7 Jun 2026

For your agent

The same facts, typed.

cluster/40366.json
cluster/40366.md