quickstart-resources/mcp-client-ruby/Gemfile
olaservo d913f3a150 Add structured output to the Ruby weather server and client
The mcp gem 1.1.0 (2026-08-01) is the first to negotiate 2026-07-28, so the
Ruby examples can finally show the same thing the other four do: get_alerts
declares an array-rooted output_schema and returns a bare top-level JSON
array, get_forecast returns an object. Declaring `type:` at the root is what
suppresses the SDK object-root default.

Failure paths return an error result rather than a bare text one, because a
tool declaring an output_schema MUST return conforming structured content.
No alerts is an empty array, not an error.

The client compiles each declared schema at connect time and validates every
non-error result. The SDK client does not do this itself, so the spec
client-side SHOULD costs real code here, as it does in Go and Rust.

NOT READY TO SHIP. The gem never emits the `resultType` field that the
2026-07-28 schema marks mandatory, and no user-level knob sets it, so a
spec-strict client rejects every response including tools/list. Verified
end-to-end against the Ruby client, which does not check the field; blocked
against the TypeScript SDK client. See the server README.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-09 21:20:39 -07:00

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Ruby

# frozen_string_literal: true
source "https://rubygems.org"
gem "anthropic", '>= 1.60.0'
gem "dotenv"
gem "mcp", ">= 1.1.0"