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feat: deprecate roots, sampling, and logging runtime APIs (SEP-2577) (#2268)

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Co-authored-by: Felix Weinberger <3823880+felixweinberger@users.noreply.github.com>
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Matt 2026-06-15 13:19:45 +01:00 • committed by GitHub
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---
'@modelcontextprotocol/core': patch
'@modelcontextprotocol/server': patch
'@modelcontextprotocol/client': patch
---
Mark the roots, sampling, and logging runtime APIs as `@deprecated` per SEP-2577 (deprecated as of protocol version 2026-07-28; functional for at least twelve months). Annotates `Server.createMessage`/`listRoots`/`sendLoggingMessage`, `McpServer.sendLoggingMessage`, `Client.setLoggingLevel`/`sendRootsListChanged`, the `ServerContext.mcpReq.log`/`requestSampling` helpers, and the `roots`/`sampling`/`logging` capability schema fields. JSDoc/docs only — no behavior change.