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feat: auto-refresh tool cache via background hash check - #10
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Checks /api/tools-hash once per hour in a detached subprocess. If the hash differs from the cached value, a full refresh runs in the background. The current command is never blocked — updates take effect on the next invocation.
The background auto-refresh child process would re-enter maybeAutoRefresh during init and spawn another child before updating the cache. Guard with PIPEBOARD_AUTO_REFRESH env var.
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Summary
/api/tools-hashclient that fetches a combined SHA-256 hash of all MCP tool definitionshashandlast_checked_atin the tools cache so repeat checks within the hour are skipped entirelypipeboard refreshstill works for manual use but is now documented as normally unnecessaryTest plan
localhost:4000/api/tools-hash)