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v2.2.0-M1

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@chemicL chemicL released this 16 Oct 12:48
· 8 commits to main since this release
v2.2.0-M1
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chemicL Dariusz Jędrzejczyk
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Learn about vigilant mode.

Highlights

  • Modern stateless server for MCP 2026-07-28: #1170 by @chemicL

    The first step toward the stateless Streamable HTTP paradigm. It is a new server in io.modelcontextprotocol.modern, independent of the legacy McpSchema, and it passes all 37 required 2026-07-28 conformance scenarios.

    • No sessions: each request is handled on its own, which suits horizontally scaled deployments.
    • One server, sync or async: many concepts were simplified and allow the transport to choose whether to offload blocking code or not, freeing the user to use either a synchronous or asynchronous paradigm to implement features.
    • Your own catalogs: tools, resources and prompts come from repositories you implement, so per-tenant, filtered and paginated catalogs are straightforward.
    • Stream only when it pays: handlers return plain JSON or SSE, user code decides.
    • Not yet supported: a modern client, tasks and SEP-2243 custom headers.

Dependencies

Full Changelog: v2.1.0...v2.2.0-M1

Contributors

chemicL
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