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NousResearch/hermes-agent

MCP server duplicate spawn and eager start issue

Cluster 58862 · mcp. Data as of

Nothing open on GitHub. Fix merged in #75915 on 1 Aug 2026. Check it covers your case.

The short answer

0open issues
0open PRs
4items grouped
Known?
Yes. 4 related items grouped here, 1 issue already closed.
Fix event
A fix was merged to main in PR #75915. Check it covers your case. No release data is tracked.
Tracker
The maintainers' tracker marks this resolved, deciding PR #75915. That is separate from the fix event.
Still open
Nothing open on GitHub.

These items concern a regression where MCP servers start all instances at boot, and related fixes to prevent duplicate spawns and stale connecting entries. The fixes add guards to skip servers already in a connecting state.

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.

  • #75915 fix(mcp): guard against duplicate spawns and stale connecting entries (#58862)

    merged to main

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

2 PRs closed without merging

From the close comments: merged via another change 2

  • #58867 fix(mcp): skip servers already in _server_connecting to prevent duplicate spawns · merged via another change → #58879, #75915
  • #58879 fix(mcp): guard against duplicate spawns and stale connecting entries (#58862) · merged via another change → #75915, #58867
Closed issues · 1
  • Closed#58862[Regression] MCP servers eagerly start all instances at boot (config_version 33)
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(structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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 0.50: 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.

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At a glance

Subsystem
mcp
Merged PRs
#75915
Closed issues
1
Attempts
2 PRs closed without merging
Fix link checked
1 Aug 2026

For your agent

The same facts, typed.

cluster/58862.json
cluster/58862.md