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Serve subscriptions/listen with a pluggable event bus (SEP-2575) (#3035)

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Max 2026-06-30 23:01:04 +01:00 • committed by GitHub
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@ -104,6 +104,8 @@ What a server offers is not fixed at import time. Register a tool at runtime, th
The siblings are `send_resource_list_changed()`, `send_prompt_list_changed()`, and `send_resource_updated(uri)` for a change to one specific resource.
On a 2026-07-28 connection, clients receive change notifications only on a `subscriptions/listen` stream they opened — the `send_*` methods above do not reach those streams. The `Context` publish methods — `await ctx.notify_tools_changed()`, `await ctx.notify_prompts_changed()`, `await ctx.notify_resources_changed()`, and `await ctx.notify_resource_updated(uri)` — deliver to every subscribed stream at once. The whole story, including scaling out across replicas, is in **[Subscriptions](../advanced/subscriptions.md)**.
!!! check
Before anyone runs `enable_recommendations`, the tool you are promising does not exist. Call it
anyway and the result is an error the model can read: