Cross-harness agent messaging: one Redditor's file-based bus spiraled into thousands of messages

positiveconstraint · reddit · 2026-10-12

The author explores how to connect agents running on different harnesses and hosts, since inter-agent messaging only works within one harness. His workaround—having both agents write to and tail a shared file—quickly ballooned to thousands of messages as other sessions joined in. He asks how others solve this and whether Bolter (connect.bolter.chat) is a good option.

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