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Discovery Model Context Protocol · in the page specification/draft/server/discover # Discovery `server/discover` lets a client query a server's supported protocol versions, capabilities, and identity before sending any other requests. Servers **MUST** implement it. ## Request The… Prompts Model Context Protocol · in the page specification/draft/server/prompts …ny specific user interaction model. ## Capabilities Servers that support prompts **MUST** declare the `prompts` capability in their [`DiscoverResult`](/specification/draft/schema#discoverresult): `… Resources Model Context Protocol · in the page specification/draft/server/resources …ny specific user interaction model. ## Capabilities Servers that support resources **MUST** declare the `resources` capability: ```json theme={null} { "capabilities": { "resources": { "… Tools Model Context Protocol · in the page specification/draft/server/tools …o ensure a human is in the > loop ## Capabilities Servers that support tools **MUST** declare the `tools` capability: ```json theme={null} { "capabilities": { "tools": { "listChanged"… Caching Model Context Protocol · in the page specification/draft/server/utilities/caching # Caching The Model Context Protocol (MCP) supports caching for some results. This allows clients to cache responses and reduce unnecessary re-fetching. Caching is complementary to [change notificati… Completion Model Context Protocol · in the page specification/draft/server/utilities/completion …eta). ## User Interaction Model Completion in MCP is designed to support interactive user experiences similar to IDE code completion. For example, applications may show completion suggestions in a… Logging Model Context Protocol · in the page specification/draft/server/utilities/logging …mentations **SHOULD** migrate to logging to `stderr` > for stdio transports, or to [OpenTelemetry](https://opentelemetry.io/) for > structured observability. See the [deprecated features > registry](/… Pagination Model Context Protocol · in the page specification/draft/server/utilities/pagination # Pagination The Model Context Protocol (MCP) supports paginating list operations that may return large result sets. Pagination allows servers to yield results in smaller chunks rather than all at on…