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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 | 14x 14x 8x 4x | /**
* MCP Tool: get_homonym_meps
*
* Retrieve homonym Members of European Parliament for the current parliamentary term.
*
* **Intelligence Perspective:** Identifies MEPs with identical names, important for
* disambiguation in intelligence analysis and data matching.
*
* **Business Perspective:** Ensures accurate MEP identification in products
* that match MEP names across data sources.
*
* **EP API Endpoint:** `GET /meps/show-homonyms`
*
* ISMS Policy: SC-002 (Input Validation), AC-003 (Least Privilege)
*/
import { GetHomonymMEPsSchema } from '../schemas/europeanParliament.js';
import { epClient } from '../clients/europeanParliamentClient.js';
import { buildToolResponse } from './shared/responseBuilder.js';
import type { ToolResult } from './shared/types.js';
/**
* Handles the get_homonym_meps MCP tool request.
*
* Retrieves Members of European Parliament who share identical names with other MEPs in the
* current parliamentary term. Essential for disambiguation in data matching, identity
* resolution pipelines, and intelligence analysis workflows where name collisions could
* produce incorrect entity linkage.
*
* @param args - Raw tool arguments, validated against {@link GetHomonymMEPsSchema}
* @returns MCP tool result containing a paginated list of MEP records with homonymous names
* @throws - If `args` fails schema validation (e.g., limit out of range 1–100)
* - If the European Parliament API is unreachable or returns an error response
*
* @example
* ```typescript
* const result = await handleGetHomonymMEPs({ limit: 50, offset: 0 });
* // Returns MEPs who share a name with at least one other MEP in the current term
* ```
*
* @security - Input is validated with Zod before any API call.
* - Personal data in responses is minimised per GDPR Article 5(1)(c).
* - All requests are rate-limited and audit-logged per ISMS Policy AU-002.
* @since 0.8.0
* @see {@link getHomonymMEPsToolMetadata} for MCP schema registration
* @see {@link handleGetMEPDetails} for disambiguating a specific MEP by unique ID
*/
export async function handleGetHomonymMEPs(
args: unknown
): Promise<ToolResult> {
const params = GetHomonymMEPsSchema.parse(args);
const result = await epClient.getHomonymMEPs({
limit: params.limit,
offset: params.offset
});
return buildToolResponse(result);
}
/** Tool metadata for get_homonym_meps */
export const getHomonymMEPsToolMetadata = {
name: 'get_homonym_meps',
description: 'Get homonym Members of European Parliament (MEPs with identical names) for the current parliamentary term. Useful for name disambiguation. Data source: European Parliament Open Data Portal.',
inputSchema: {
type: 'object' as const,
properties: {
limit: { type: 'number', description: 'Maximum results to return (1-100)', default: 50 },
offset: { type: 'number', description: 'Pagination offset', default: 0 }
}
}
};
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