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fix: convert remaining capability throws to SdkError (#1761)

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Co-authored-by: Matteo Gobbo <info@matteogobbo.it>
Co-authored-by: Konstantin Konstantinov <KKonstantinov@users.noreply.github.com>
This commit is contained in:
Felix Weinberger 2026-03-26 21:47:07 +00:00 • committed by GitHub
commit 01954e621a
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1 changed files with 30 additions and 12 deletions
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8
packages/server/src/experimental/tasks/server.ts
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@ -22,7 +22,7 @@ import type {
ResponseMessage,
ResultTypeMap
} from '@modelcontextprotocol/core';
import { getResultSchema, GetTaskPayloadResultSchema } from '@modelcontextprotocol/core';
import { getResultSchema, GetTaskPayloadResultSchema, SdkError, SdkErrorCode } from '@modelcontextprotocol/core';
import type { Server } from '../../server/server.js';
@ -122,7 +122,7 @@ export class ExperimentalServerTasks {
// Capability check - only required when tools/toolChoice are provided
if ((params.tools || params.toolChoice) && !clientCapabilities?.sampling?.tools) {
throw new Error('Client does not support sampling tools capability.');
throw new SdkError(SdkErrorCode.CapabilityNotSupported, 'Client does not support sampling tools capability.');
}
// Message structure validation - always validate tool_use/tool_result pairs.
@ -221,13 +221,13 @@ export class ExperimentalServerTasks {
switch (mode) {
case 'url': {
if (!clientCapabilities?.elicitation?.url) {
throw new Error('Client does not support url elicitation.');
throw new SdkError(SdkErrorCode.CapabilityNotSupported, 'Client does not support url elicitation.');
}
break;
}
case 'form': {
if (!clientCapabilities?.elicitation?.form) {
throw new Error('Client does not support form elicitation.');
throw new SdkError(SdkErrorCode.CapabilityNotSupported, 'Client does not support form elicitation.');
}
break;
}