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Fix incorrect capabilities handling for completion/complete

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This PR fixes incorrect capabilities handling for `completion/complete`.
As specified, the capability of `completion/complete` is `completions`, not `prompts`:
https://modelcontextprotocol.io/specification/2025-03-26/server/utilities/completion#capabilities

Note that in the Ruby SDK, `completion/complete`, like `logging/setLevel`, is not yet implemented.
Therefore, an empty implementation has been added to server.rb.
This commit is contained in:
Koichi ITO 2025-05-26 17:20:27 +09:00
commit d3dcde2460
1 changed files with 13 additions and 1 deletions
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7
test/model_context_protocol/methods_test.rb
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@ -19,6 +19,13 @@ module ModelContextProtocol
assert_equal "Server does not support sampling (required for sampling/createMessage)", error.message
end
test "ensure_capability! for completion/complete raises an error if completions capability is not present" do
error = assert_raises(Methods::MissingRequiredCapabilityError) do
Methods.ensure_capability!(Methods::COMPLETION_COMPLETE, {})
end
assert_equal "Server does not support completions (required for completion/complete)", error.message
end
test "ensure_capability! for logging/setLevel raises an error if logging capability is not present" do
error = assert_raises(Methods::MissingRequiredCapabilityError) do
Methods.ensure_capability!(Methods::LOGGING_SET_LEVEL, {})