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feat: deprecate roots sampling and logging

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Warn when Roots, Sampling, or Logging APIs are used with MCP protocol version 2026-07-28 or newer.

Add a shared protocol deprecation helper, YARD deprecation notes, and regression tests covering warnings at and after the deprecation threshold and no warnings for older or never-established protocol versions.

Closes https://github.com/modelcontextprotocol/ruby-sdk/issues/390

Co-authored-by: Qlaw <noreply@qlaw.quick.shopify.io>
This commit is contained in:
Ates Goral 2026-06-14 11:45:38 +02:00
commit 6a43d3d6fb
1 changed files with 508 additions and 3 deletions
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1
lib/mcp/configuration.rb
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@ -3,6 +3,7 @@
module MCP
class Configuration
LATEST_STABLE_PROTOCOL_VERSION = "2026-07-28"
ROOTS_SAMPLING_LOGGING_DEPRECATED_PROTOCOL_VERSION = "2026-07-28"
SUPPORTED_STABLE_PROTOCOL_VERSIONS = [
LATEST_STABLE_PROTOCOL_VERSION, "2025-11-25", "2025-06-18", "2025-03-26", "2024-11-05",
].freeze