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oh-my-agent (OMA) uses a shared Serena bridge by default: sessions in the same project share one Serena server. If that bridge is unavailable, OMA falls back to session-local stdio. Scheduled daemon cleanup is a separate feature, disabled by default. Although a release article describes bounded retry loops, the reviewed documentation does not specify Serena retry counts or delays, so those details must be checked against the OMA version you run.
What “shared Serena daemons” means in OMA
OMA’s documented default Serena transport is bridge. In this mode, sessions for a project share one Serena server instead of starting a separate server for every session. That is process sharing, not a claim about a measured speed improvement.
The alternative is stdio, where Serena runs session-locally. OMA documents it as a recovery choice if the local bridge cannot start and as an option when strict process isolation matters.
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1Clear out junk files and repair common Windows errors2Fix the driver behind crashes, sound loss and screen glitches3Repair Windows errors before they cause bigger problems| Transport | Process arrangement | When it fits |
|---|---|---|
bridge |
One Serena server per project, shared across sessions | OMA’s documented default |
stdio |
Session-local Serena process | Bridge recovery or a need for strict process isolation |
What happens when the bridge is unavailable?
OMA’s defaults documentation says it falls back to session-local stdio when the bridge is unavailable. This is transport fallback; it should not be confused with daemon cleanup or with a documented retry schedule. The docs do not state a Serena-specific retry count or backoff duration for this path.
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You can explicitly select stdio with serena.mode: stdio. Configuration is read from .agents/oma-config.cue or .agents/oma-config.yaml; OMA also supports a local overlay for machine-specific settings. Because configuration precedence and overrides can affect the resolved value, check the configuration reference for your installed release and inspect the resolved profile with oma doctor --profile.
How Serena daemon cleanup works
Scheduled Serena reaping is distinct from bridge fallback and is disabled by default. Interactive cleanup remains available without enabling the schedule.
- Run an on-demand cleanup with
oma serena reap. - To enable scheduled cleanup, set
serena_reaper.enabled: trueand runoma serena reaper enable. - For memory-pressure investigation, the defaults documentation points to
oma doctorand a dry-run preview.
Consult the matching version of the OMA defaults documentation before changing runtime behavior, since the live docs may evolve.
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A DEV Community article about OMA releases reports five CLI releases, versions 15.0.2 through 15.0.6, in the week it describes. It frames the work around long-running agents, fewer stray processes, bounded memory, and retry loops that stop. The article also describes managed Serena runtime changes, shared-daemon checks, scheduled cleanup with process-identity checks, reporting when the shared server is unreachable, and daemon replacement waiting for attached clients to detach. These are claims in that article, not guarantees established by the current configuration docs.
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The same DEV Community article reports 20 commits and 69 files, with roughly 3,700 lines added. Those are the publisher’s figures; the article’s publication year was not established, and the counts are not independently verified here. Confirm behavior in the tagged source or release notes corresponding to your installed version before relying on a release-specific detail.
The official OMA documentation reviewed here does not establish Serena-specific retry counts, backoff intervals, or a complete termination policy. The repository README describes retry and stop limits at a high level as part of OMA’s control boundary, but does not provide a numerical Serena policy. Do not assume a particular number of attempts or delay without checking the implementation for your release.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Installation and configuration context
OMA’s installation guide identifies Serena as its default code-intelligence provider and describes CLI/package-based installation paths. For installation steps, use the guide that matches your environment; for behavior and configuration, use documentation corresponding to your installed OMA version.
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