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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 87 88 89 90 91 92 93 94 95 96 97 | 15x 15x 5x 5x 5x 10x 10x 9x 1x 4x | /**
* MCP Tool: get_current_meps
*
* Retrieve currently active Members of European Parliament.
*
* **Intelligence Perspective:** Provides real-time snapshot of active MEPs for current
* political landscape analysis, filtering out outgoing/inactive members.
*
* **Business Perspective:** Essential for stakeholder mapping products that need
* only current, contactable MEPs.
*
* ISMS Policy: SC-002 (Input Validation), AC-003 (Least Privilege)
*/
import { GetCurrentMEPsSchema } from '../schemas/europeanParliament.js';
import { epClient } from '../clients/europeanParliamentClient.js';
import { buildToolResponse } from './shared/responseBuilder.js';
import { ToolError } from './shared/errors.js';
import { z } from 'zod';
import type { ToolResult } from './shared/types.js';
/**
* Handles the get_current_meps MCP tool request.
*
* Retrieves Members of European Parliament who hold an active mandate as of today's date.
* Outgoing or inactive members are excluded, providing a real-time snapshot of the current
* parliamentary composition.
*
* @param args - Raw tool arguments, validated against {@link GetCurrentMEPsSchema}
* @returns MCP tool result containing a paginated list of currently active MEP records
* @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 handleGetCurrentMEPs({ limit: 50, offset: 0 });
* // Returns up to 50 MEPs with active mandates as of today
* ```
*
* @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 getCurrentMEPsToolMetadata} for MCP schema registration
* @see {@link handleGetIncomingMEPs} for MEPs who are newly joining parliament
* @see {@link handleGetOutgoingMEPs} for MEPs who are departing parliament
*/
export async function handleGetCurrentMEPs(args: unknown): Promise<ToolResult> {
// Validate input — ZodErrors here are client mistakes (non-retryable)
let params: ReturnType<typeof GetCurrentMEPsSchema.parse>;
try {
params = GetCurrentMEPsSchema.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_current_meps',
operation: 'validateInput',
message: `Invalid parameters: ${fieldErrors}`,
isRetryable: false,
cause: error,
});
}
throw error;
}
try {
const result = await epClient.getCurrentMEPs({
limit: params.limit,
offset: params.offset,
});
return buildToolResponse(result);
} catch (error: unknown) {
throw new ToolError({
toolName: 'get_current_meps',
operation: 'fetchData',
message: 'Failed to retrieve current MEPs',
isRetryable: true,
cause: error,
});
}
}
/** Tool metadata for get_current_meps */
export const getCurrentMEPsToolMetadata = {
name: 'get_current_meps',
description:
"Get currently active Members of European Parliament (today's date). Returns only MEPs with active mandates. 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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