Cron jobs blocked by transient MCP server disconnections
Cluster 112871. Data as of
Nothing open on GitHub. Fix merged in #113789 on 17 Sep 2026. Check it covers your case.
The short answer
- Known?
- Yes. 3 related items grouped here, 1 issue already closed.
- Fix event
- A fix was merged to main in PR #113789. Check it covers your case. No release data is tracked.
- Tracker
- The maintainers' tracker marks this
resolved, deciding PR #113789. That is separate from the fix event. - Still open
- Nothing open on GitHub.
A bug where cron preflight checks block or prevent job execution when an enabled MCP toolset server is temporarily unreachable or reconnecting, along with related fixes to allow recovery in that scenario.
Open issues0
Open PRs0
Fixes on record
-
#113789 fix(cron): a job runs when its enabled_toolsets MCP server is only reconnecting (closes remaining atoms of #112871)
files:
cron/scheduler_preflight.py,tests/cron/test_cron_mcp_toolset_empty_block.py,tests/tools/test_mcp_server_reconnecting_predicate.py,tools/mcp_tool.py,tools/mcp_tool_discovery.py,tools/mcp_tool_health.py,tools/mcp_tool_server_run.py,website/docs/user-guide/features/cron.md
1 PR closed without merging
From the close comments: won't fix / by design 1
- #112872 fix(cron): allow recovering MCP toolsets · won't fix / by design
Closed issues · 1
- Closed#112871[Bug]: cron preflight blocks a job when an enabled_toolsets MCP server is transiently unreachable (and the message implies it needs manual repair)
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structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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 0.36.1.00means 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 LabAt a glance
- Merged PRs
- #113789
- Closed issues
- 1
- Attempts
- 1 PR closed without merging
- Fix link checked
- 17 Sep 2026