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* MCP Tool: analyze_committee_activity
*
* Analyze committee workload and member engagement for EP committees
* using real data from the European Parliament Open Data Portal.
*
* **Intelligence Perspective:** Committee activity analysis reveals institutional
* priorities, resource allocation patterns, and policy domain intensity—essential
* for understanding where legislative power concentrates.
*
* **Business Perspective:** Committee monitoring enables enterprise government affairs
* teams to track policy areas relevant to their industry with precision.
*
* ISMS Policy: SC-002 (Input Validation), AC-003 (Least Privilege)
*/
import { z } from 'zod';
import { epClient } from '../clients/europeanParliamentClient.js';
import { auditLogger, toErrorMessage } from '../utils/auditLogger.js';
import type { ToolResult } from './shared/types.js';
/**
* Schema for analyze_committee_activity tool input
*/
export const AnalyzeCommitteeActivitySchema = z.object({
committeeId: z.string()
.min(1)
.max(100)
.describe('Committee identifier or abbreviation (e.g., "ENVI", "ITRE")'),
dateFrom: z.string()
.regex(/^\d{4}-\d{2}-\d{2}$/, 'Date must be in YYYY-MM-DD format')
.optional()
.describe('Start date for analysis period'),
dateTo: z.string()
.regex(/^\d{4}-\d{2}-\d{2}$/, 'Date must be in YYYY-MM-DD format')
.optional()
.describe('End date for analysis period'),
});
/**
* Committee activity analysis result
*/
interface CommitteeActivityAnalysis {
committeeId: string;
committeeName: string;
period: { from: string; to: string };
workload: {
activeLegislativeFiles: number;
documentsProduced: number;
meetingsHeld: number;
opinionsIssued: number;
};
memberEngagement: {
totalMembers: number;
averageAttendance: number;
activeContributors: number;
};
legislativeOutput: {
reportsAdopted: number;
amendmentsProcessed: number;
successRate: number;
};
computedAttributes: {
workloadIntensity: string;
productivityScore: number;
engagementLevel: string;
policyImpactRating: string;
};
confidenceLevel: string;
dataFreshness: string;
sourceAttribution: string;
methodology: string;
}
/**
* Compute workload intensity from metrics
*/
function computeWorkloadIntensity(activeLegFiles: number, meetings: number): string {
const combined = activeLegFiles + meetings;
Iif (combined > 100) return 'VERY_HIGH';
if (combined > 60) return 'HIGH';
if (combined > 30) return 'MODERATE';
return 'LOW';
}
/**
* Compute engagement level from attendance
*/
function computeEngagementLevel(avgAttendance: number): string {
Iif (avgAttendance >= 80) return 'HIGH';
Iif (avgAttendance >= 60) return 'MODERATE';
return 'LOW';
}
/**
* Compute policy impact rating
*/
function computePolicyImpactRating(reportsAdopted: number, successRate: number): string {
const impactScore = reportsAdopted * successRate;
if (impactScore > 15) return 'HIGH';
if (impactScore > 5) return 'MEDIUM';
return 'LOW';
}
/**
* Safely fetch a count from the EP API using data.length (actual items returned),
* not total (which is a lower-bound estimate capped by page size).
*/
async function safeCount(operation: string, fetcher: () => Promise<{ data: unknown[] }>): Promise<number> {
try {
const result = await fetcher();
return result.data.length;
} catch (error: unknown) {
auditLogger.logError('analyze_committee_activity.safe_count', { operation }, toErrorMessage(error));
return 0;
}
}
/**
* Fetch real EP data counts for committee analysis
*/
async function fetchCommitteeData(dateFrom: string): Promise<{
documentsProduced: number;
activeLegFiles: number;
reportsAdopted: number;
}> {
const year = parseInt(dateFrom.substring(0, 4), 10);
const [documentsProduced, activeLegFiles, reportsAdopted] = await Promise.all([
safeCount('getCommitteeDocuments', () => epClient.getCommitteeDocuments({ year, limit: 100 })),
safeCount('getProcedures', () => epClient.getProcedures({ year, limit: 100 })),
safeCount('getAdoptedTexts', () => epClient.getAdoptedTexts({ year, limit: 100 }))
]);
return { documentsProduced, activeLegFiles, reportsAdopted };
}
/**
* Build committee activity analysis from real EP data
*/
async function buildAnalysis(
committeeId: string,
dateFrom: string,
dateTo: string
): Promise<CommitteeActivityAnalysis> {
const committeeData = await epClient.getCommitteeInfo({
abbreviation: committeeId
});
const memberCount = Array.isArray(committeeData.members)
? committeeData.members.length
: 0;
const { documentsProduced, activeLegFiles, reportsAdopted } = await fetchCommitteeData(dateFrom);
const successRate = activeLegFiles > 0 && reportsAdopted > 0
? Math.min(1, reportsAdopted / activeLegFiles)
: 0;
const productivityScore = activeLegFiles > 0
? Math.round((reportsAdopted / activeLegFiles) * 100)
: 0;
const hasRealData = documentsProduced > 0 || activeLegFiles > 0 || reportsAdopted > 0;
return {
committeeId,
committeeName: committeeData.name,
period: { from: dateFrom, to: dateTo },
workload: {
activeLegislativeFiles: activeLegFiles,
documentsProduced,
meetingsHeld: 0,
opinionsIssued: 0
},
memberEngagement: {
totalMembers: memberCount,
averageAttendance: 0,
// 0 indicates unknown due to lack of member-level activity data
activeContributors: 0
},
legislativeOutput: {
reportsAdopted,
amendmentsProcessed: 0,
successRate: Math.round(successRate * 100) / 100
},
computedAttributes: {
workloadIntensity: computeWorkloadIntensity(activeLegFiles, 0),
productivityScore,
engagementLevel: computeEngagementLevel(0),
policyImpactRating: computePolicyImpactRating(reportsAdopted, successRate)
},
confidenceLevel: hasRealData ? 'MEDIUM' : 'LOW',
dataFreshness: 'Real-time EP API data — committee documents and procedures from EP Open Data',
sourceAttribution: 'European Parliament Open Data Portal - data.europarl.europa.eu',
methodology: 'Committee activity analysis using real data from EP Open Data Portal. '
+ 'Committee membership from /corporate-bodies endpoint, documents from /committee-documents, '
+ 'procedures from /procedures, adopted texts from /adopted-texts. '
+ 'Document/procedure/adopted-text counts are parliament-wide lower bounds (single page, '
+ 'not filtered by committee). Fields showing zero indicate data not available from the EP API. '
+ 'Data source: European Parliament Open Data Portal.'
};
}
/**
* Handles the analyze_committee_activity MCP tool request.
*
* Analyses an EP committee's workload, meeting frequency, document production, member
* engagement, and legislative output over a given period using real data from the
* European Parliament Open Data Portal. Provides computed attributes including workload
* intensity, productivity score, engagement level, and policy impact rating.
*
* @param args - Raw tool arguments, validated against {@link AnalyzeCommitteeActivitySchema}
* @returns MCP tool result containing a {@link CommitteeActivityAnalysis} object with
* metrics, computed attributes, confidence level, and methodology note
* @throws - If `args` fails schema validation (e.g., missing required `committeeId`)
* - If the European Parliament API is unreachable or returns an error response
*
* @example
* ```typescript
* const result = await handleAnalyzeCommitteeActivity({
* committeeId: 'ENVI',
* dateFrom: '2024-01-01',
* dateTo: '2024-12-31'
* });
* // Returns workload, engagement, and legislative output for the ENVI committee in 2024
* ```
*
* @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 analyzeCommitteeActivityToolMetadata} for MCP schema registration
* @see {@link handleAnalyzeCountryDelegation} for delegation-level analysis across committees
*/
export async function handleAnalyzeCommitteeActivity(
args: unknown
): Promise<ToolResult> {
const params = AnalyzeCommitteeActivitySchema.parse(args);
const now = new Date();
const dateFrom = params.dateFrom ?? new Date(
now.getFullYear() - 1,
now.getMonth(),
now.getDate()
).toISOString().split('T')[0] ?? '';
const dateTo = params.dateTo ?? now.toISOString().split('T')[0] ?? '';
const analysis = await buildAnalysis(
params.committeeId,
dateFrom,
dateTo
);
return {
content: [
{
type: 'text',
text: JSON.stringify(analysis, null, 2)
}
]
};
}
/**
* Tool metadata for MCP listing
*/
export const analyzeCommitteeActivityToolMetadata = {
name: 'analyze_committee_activity',
description: 'Analyze European Parliament committee workload, meeting frequency, document production, legislative output, and member engagement. Provides intelligence on committee productivity and policy impact.',
inputSchema: {
type: 'object' as const,
properties: {
committeeId: {
type: 'string',
description: 'Committee identifier or abbreviation (e.g., "ENVI", "ITRE")'
},
dateFrom: {
type: 'string',
description: 'Start date (YYYY-MM-DD)'
},
dateTo: {
type: 'string',
description: 'End date (YYYY-MM-DD)'
},
},
required: ['committeeId']
}
};
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