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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 | 9x 9x 1x 1x 1x 8x 8x 8x 8x 8x 6x 2x 1x 4x | /**
* MCP Tool: get_controlled_vocabularies_feed
*
* Get recently updated controlled vocabularies from the feed.
*
* **EP API Endpoint:**
* - `GET /controlled-vocabularies/feed`
*
* ISMS Policy: SC-002 (Input Validation), AC-003 (Least Privilege)
*/
import { GetControlledVocabulariesFeedSchema } from '../schemas/europeanParliament.js';
import { epClient } from '../clients/europeanParliamentClient.js';
import { buildToolResponse } from './shared/responseBuilder.js';
import { ToolError } from './shared/errors.js';
import { isUpstream404, buildEmptyFeedResponse } from './shared/feedUtils.js';
import { z } from 'zod';
import type { ToolResult } from './shared/types.js';
/**
* Handles the get_controlled_vocabularies_feed MCP tool request.
*
* @param args - Raw tool arguments, validated against {@link GetControlledVocabulariesFeedSchema}
* @returns MCP tool result containing recently updated controlled vocabulary data
* @security Input is validated with Zod before any API call.
*/
export async function handleGetControlledVocabulariesFeed(args: unknown): Promise<ToolResult> {
// Validate input — ZodErrors here are client mistakes (non-retryable)
let params: ReturnType<typeof GetControlledVocabulariesFeedSchema.parse>;
try {
params = GetControlledVocabulariesFeedSchema.parse(args);
} catch (error: unknown) {
Eif (error instanceof z.ZodError) {
const fieldErrors = error.issues.map((e) => `${e.path.join('.')}: ${e.message}`).join('; ');
throw new ToolError({
toolName: 'get_controlled_vocabularies_feed',
operation: 'validateInput',
message: `Invalid parameters: ${fieldErrors}`,
isRetryable: false,
cause: error,
});
}
throw error;
}
try {
const apiParams: Record<string, unknown> = {};
apiParams['timeframe'] = params.timeframe;
if (params.startDate !== undefined) apiParams['startDate'] = params.startDate;
const result = await epClient.getControlledVocabulariesFeed(
apiParams as Parameters<typeof epClient.getControlledVocabulariesFeed>[0]
);
return buildToolResponse({ ...result, dataQualityWarnings: [] });
} catch (error: unknown) {
if (isUpstream404(error)) return buildEmptyFeedResponse();
throw new ToolError({
toolName: 'get_controlled_vocabularies_feed',
operation: 'fetchData',
message: 'Failed to retrieve controlled vocabularies feed',
isRetryable: true,
cause: error,
});
}
}
/** Tool metadata for get_controlled_vocabularies_feed */
export const getControlledVocabulariesFeedToolMetadata = {
name: 'get_controlled_vocabularies_feed',
description:
'Get recently updated controlled vocabularies from the feed. Returns controlled vocabularies published or updated during the specified timeframe. Data source: European Parliament Open Data Portal.',
inputSchema: {
type: 'object' as const,
properties: {
timeframe: {
type: 'string',
description: 'Timeframe for the feed (today, one-day, one-week, one-month, custom)',
enum: ['today', 'one-day', 'one-week', 'one-month', 'custom'],
default: 'one-week',
},
startDate: {
type: 'string',
description: 'Start date (YYYY-MM-DD) — required when timeframe is "custom"',
},
},
},
};
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