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Overview Model Context Protocol · in the page specification/draft/basic/patterns/index …e and Notify To receive change notifications (list changes, resource updates), the client sends a [`subscriptions/listen`](/specification/draft/basic/patterns/subscriptions) request; the reply is a l… Progress Model Context Protocol · in the page specification/draft/basic/patterns/progress …issued. ## Progress Flow When a client wants to *receive* progress updates for a request, it includes a `progressToken` in the request metadata. * Progress tokens **MUST** be a string or integer v… Subscriptions Model Context Protocol · in the page specification/draft/basic/patterns/subscriptions …esourceSubscriptions` | `string[]` | Receive `notifications/resources/updated` for these resource URIs | All fields are optional. Omitting a field is equivalent to not subscribing to that notificatio… Streamable HTTP Model Context Protocol · in the page specification/draft/basic/transports/streamable-http …* Long-lived change notifications (such as list changes and resource updates) are delivered on the response stream of a [`subscriptions/listen`][subscriptions-listen] request. See [Message Flow]… Schema Reference Model Context Protocol · in the page specification/draft/schema …An out-of-band notification used to inform the receiver of a progress update for a long-running request.</ Prompts Model Context Protocol · in the page specification/draft/server/prompts …t_changed Client->>Server: prompts/list Server-->>Client: Updated prompts end ``` ## Data Types ### Prompt A prompt definition includes: * `name`: Unique identifier for the prompt… Resources Model Context Protocol · in the page specification/draft/server/resources …hanges. * `subscribe` : whether the server supports resource-specific update notifications for resources requested through subscriptions/listen using the resourceSubscriptions filter. Servers may… Tools Model Context Protocol · in the page specification/draft/server/tools …tifications/subscriptions/acknowledged Note over Client,Server: Updates Server--)Client: notifications/tools/list_changed Client->>Server: tools/list Server-->>Client: Updated… Logging Model Context Protocol · in the page specification/draft/server/utilities/logging …points | | info | General informational messages | Operation progress updates | | notice | Normal but significant events | Configuration changes | | warning | Warning conditions | Deprecated feature u…