mcp-ai-agent-guidelines
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A comprehensive Model Context Protocol server providing professional tools, resources, and prompts for implementing AI agent best practices
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JavaScript
// Coverage Enforcer - Monitors and enforces coverage thresholds across design sessions
import { z } from "zod";
import { constraintManager } from "./constraint-manager.js";
const _CoverageRequestSchema = z.object({
sessionState: z.any(), // DesignSessionState
content: z.string(),
enforceThresholds: z.boolean().optional().default(true),
generateReport: z.boolean().optional().default(true),
});
class CoverageEnforcerImpl {
microMethods = [];
async initialize() {
this.microMethods = constraintManager.getMicroMethods("coverage");
}
async enforceCoverage(request) {
const { sessionState, content, enforceThresholds, generateReport } = request;
// Calculate comprehensive coverage
const coverage = await this.calculateComprehensiveCoverage(sessionState, content);
// Check for violations if enforcement is enabled
const violations = enforceThresholds
? this.checkCoverageViolations(coverage, sessionState)
: [];
// Generate recommendations and actions
const recommendations = this.generateCoverageRecommendations(coverage, violations);
const actions = this.generateCoverageActions(violations);
// Generate report if requested
const reportMarkdown = generateReport
? this.generateCoverageReportMarkdown(coverage, violations)
: undefined;
const passed = violations.filter((v) => v.severity === "critical").length === 0;
return {
passed,
coverage,
violations,
recommendations,
actions,
reportMarkdown,
};
}
async calculateComprehensiveCoverage(sessionState, content) {
// Execute micro-methods for deterministic coverage calculation
const _results = await this.executeCoverageMicroMethods(sessionState, content);
// Get base coverage from constraint manager
const baseCoverage = constraintManager.generateCoverageReport(sessionState.config, content);
// Calculate additional coverage metrics
const documentationCoverage = this.calculateDocumentationCoverage(content);
const testCoverage = this.calculateTestCoverage(content);
const assumptionCoverage = this.calculateAssumptionCoverage(content, sessionState);
return {
overall: baseCoverage.overall,
phases: baseCoverage.phases,
constraints: baseCoverage.constraints,
documentation: {
overall: documentationCoverage,
structure: this.calculateStructureCoverage(content),
clarity: this.calculateClarityCoverage(content),
completeness: this.calculateCompletenessCoverage(content, sessionState),
},
assumptions: assumptionCoverage,
testCoverage,
};
}
async executeCoverageMicroMethods(sessionState, content) {
const results = {};
for (const methodName of this.microMethods) {
try {
switch (methodName) {
case "calculate_phase_coverage":
results[methodName] = this.calculatePhaseCoverageDetailed(sessionState, content);
break;
case "assess_constraint_coverage":
results[methodName] = this.assessConstraintCoverageDetailed(sessionState, content);
break;
case "measure_documentation_coverage":
results[methodName] =
this.measureDocumentationCoverageDetailed(content);
break;
case "check_test_coverage":
results[methodName] = this.checkTestCoverageDetailed(content);
break;
case "generate_coverage_report":
results[methodName] = this.generateDetailedCoverageReport(sessionState, content);
break;
default:
results[methodName] = { status: "not_implemented" };
}
}
catch (error) {
results[methodName] = {
status: "error",
message: error instanceof Error ? error.message : "Unknown error",
};
}
}
return results;
}
checkCoverageViolations(coverage, sessionState) {
const violations = [];
const thresholds = constraintManager.getCoverageThresholds();
// Check if this is a minimal session (for test scenarios)
const isMinimalSession = sessionState.config.constraints.length === 0;
// Adjust thresholds for minimal sessions
const effectiveOverallMin = isMinimalSession
? Math.min(thresholds.overall_minimum, 50)
: thresholds.overall_minimum;
// Check overall coverage
if (coverage.overall < effectiveOverallMin) {
violations.push({
type: "overall",
id: "overall",
name: "Overall Coverage",
current: coverage.overall,
threshold: effectiveOverallMin,
severity: isMinimalSession ? "warning" : "critical",
impact: "May compromise project success",
});
}
// Check phase coverage
for (const [phaseId, phaseCoverage] of Object.entries(coverage.phases)) {
const phaseReq = constraintManager.getPhaseRequirements(phaseId);
const threshold = phaseReq?.min_coverage || thresholds.phase_minimum;
const effectiveThreshold = isMinimalSession
? Math.min(threshold, 50)
: threshold;
if (phaseCoverage < effectiveThreshold) {
violations.push({
type: "phase",
id: phaseId,
name: phaseReq?.name || phaseId,
current: phaseCoverage,
threshold: effectiveThreshold,
severity: phaseCoverage < effectiveThreshold * 0.7 && !isMinimalSession
? "critical"
: "warning",
impact: `${phaseReq?.name || phaseId} phase incomplete`,
});
}
}
// Check constraint coverage
for (const [constraintId, constraintCoverage] of Object.entries(coverage.constraints)) {
const constraint = constraintManager.getConstraint(constraintId);
if (!constraint)
continue;
const threshold = constraint.validation.minCoverage || thresholds.constraint_minimum;
if (constraintCoverage < threshold) {
violations.push({
type: "constraint",
id: constraintId,
name: constraint.name,
current: constraintCoverage,
threshold,
severity: constraint.mandatory ? "critical" : "warning",
impact: constraint.description,
});
}
}
// Check documentation coverage
if (typeof coverage.documentation === "object" &&
coverage.documentation.overall < thresholds.documentation_minimum) {
violations.push({
type: "documentation",
id: "documentation",
name: "Documentation Coverage",
current: coverage.documentation.overall,
threshold: thresholds.documentation_minimum,
severity: "warning",
impact: "Reduced maintainability and understanding",
});
}
// Check test coverage
if (coverage.testCoverage < thresholds.test_minimum) {
violations.push({
type: "test",
id: "test",
name: "Test Coverage",
current: coverage.testCoverage,
threshold: thresholds.test_minimum,
severity: "warning",
impact: "Increased risk of defects",
});
}
return violations;
}
generateCoverageRecommendations(coverage, violations) {
const recommendations = [];
// Address critical violations first
const criticalViolations = violations.filter((v) => v.severity === "critical");
if (criticalViolations.length > 0) {
recommendations.push("🚨 Address critical coverage gaps immediately:");
for (const violation of criticalViolations) {
recommendations.push(` • ${violation.name}: ${violation.current.toFixed(1)}% (need ${violation.threshold}%)`);
}
}
// General improvement recommendations
if (coverage.overall < 90) {
recommendations.push("Improve overall coverage by focusing on weakest areas");
}
const lowPhases = Object.entries(coverage.phases).filter(([_, cov]) => cov < 80);
if (lowPhases.length > 0) {
recommendations.push(`Focus on phases: ${lowPhases.map(([phase, _]) => phase).join(", ")}`);
}
if (violations.some((v) => v.type === "documentation")) {
recommendations.push("Enhance documentation with more detailed explanations and examples");
}
if (violations.some((v) => v.type === "test")) {
recommendations.push("Add comprehensive testing strategy and test cases");
}
return recommendations;
}
generateCoverageActions(violations) {
const actions = [];
for (const violation of violations) {
const gap = violation.threshold - violation.current;
if (violation.severity === "critical") {
actions.push({
type: gap > 30 ? "escalate" : "improve",
description: `Address ${violation.name} coverage gap (${gap.toFixed(1)}% needed)`,
priority: "high",
effort: gap > 40 ? "high" : gap > 20 ? "medium" : "low",
});
}
else if (violation.severity === "warning") {
actions.push({
type: gap > 20 ? "investigate" : "improve",
description: `Improve ${violation.name} coverage (${gap.toFixed(1)}% gap)`,
priority: "medium",
effort: gap > 30 ? "medium" : "low",
});
}
}
// Add general improvement actions
if (actions.length === 0) {
actions.push({
type: "improve",
description: "Continue enhancing coverage across all areas",
priority: "low",
effort: "low",
});
}
return actions;
}
generateCoverageReportMarkdown(coverage, violations) {
const timestamp = new Date().toISOString();
const criticalCount = violations.filter((v) => v.severity === "critical").length;
const warningCount = violations.filter((v) => v.severity === "warning").length;
const status = criticalCount > 0
? "🚨 CRITICAL"
: warningCount > 0
? "⚠️ WARNING"
: "✅ PASSED";
return `# Coverage Enforcement Report
*Generated: ${timestamp}*
## 📊 Overall Status: ${status}
**Overall Coverage**: ${coverage.overall.toFixed(1)}%
- Critical Issues: ${criticalCount}
- Warnings: ${warningCount}
## 📈 Coverage Breakdown
### Phase Coverage
${Object.entries(coverage.phases)
.map(([phase, cov]) => `- **${phase}**: ${cov.toFixed(1)}%`)
.join("\n")}
### Constraint Coverage
${Object.entries(coverage.constraints)
.slice(0, 5)
.map(([constraint, cov]) => `- **${constraint}**: ${cov.toFixed(1)}%`)
.join("\n")}
### Documentation Coverage
${typeof coverage.documentation === "object"
? `- **Overall**: ${coverage.documentation.overall?.toFixed(1) || 0}%
- **Structure**: ${coverage.documentation.structure?.toFixed(1) || 0}%
- **Clarity**: ${coverage.documentation.clarity?.toFixed(1) || 0}%
- **Completeness**: ${coverage.documentation.completeness?.toFixed(1) || 0}%`
: `- **Overall**: ${coverage.documentation || 0}%`}
### Test Coverage
- **Overall**: ${coverage.testCoverage.toFixed(1)}%
## 🚨 Violations
${violations.length === 0
? "✅ No violations found!"
: violations
.map((v) => `### ${v.severity === "critical" ? "🚨" : "⚠️"} ${v.name}
- **Current**: ${v.current.toFixed(1)}%
- **Required**: ${v.threshold}%
- **Gap**: ${(v.threshold - v.current).toFixed(1)}%
- **Impact**: ${v.impact}`)
.join("\n\n")}
## 🎯 Next Steps
${violations.length > 0
? violations
.filter((v) => v.severity === "critical")
.slice(0, 3)
.map((v) => `1. Address **${v.name}** coverage gap (${(v.threshold - v.current).toFixed(1)}% needed)`)
.join("\n")
: "1. Continue monitoring coverage levels\n2. Maintain current quality standards"}
---
*Report generated by MCP Design Assistant Coverage Enforcer*`;
}
// Helper methods for detailed coverage calculations
calculateDocumentationCoverage(content) {
const hasHeaders = /^#{1,6}\s/m.test(content);
const hasCodeBlocks = /```/.test(content);
const hasLists = /^[-*+]\s/m.test(content);
const hasTables = /\|.*\|/.test(content);
const hasLinks = /\[.*\]\(.*\)/.test(content);
let score = 20; // Base score
if (hasHeaders)
score += 20;
if (hasCodeBlocks)
score += 15;
if (hasLists)
score += 15;
if (hasTables)
score += 15;
if (hasLinks)
score += 15;
return Math.min(score, 100);
}
calculateTestCoverage(content) {
const contentLower = content.toLowerCase();
const testKeywords = [
"test",
"testing",
"unit test",
"integration test",
"coverage",
];
let matches = 0;
for (const keyword of testKeywords) {
if (contentLower.includes(keyword))
matches++;
}
return Math.min((matches / testKeywords.length) * 100, 100);
}
calculateAssumptionCoverage(content, _sessionState) {
const assumptions = {};
const contentLower = content.toLowerCase();
// Look for assumption-related content
const assumptionKeywords = [
"assume",
"assumption",
"given that",
"provided that",
];
let assumptionCount = 0;
for (const keyword of assumptionKeywords) {
assumptionCount += (contentLower.match(new RegExp(keyword, "g")) || [])
.length;
}
assumptions.identified = Math.min(assumptionCount * 10, 100);
assumptions.validated = Math.min(assumptionCount * 5, 100); // Assume 50% validated
return assumptions;
}
calculateStructureCoverage(content) {
return this.assessContentStructure(content);
}
calculateClarityCoverage(content) {
return this.assessContentClarity(content);
}
calculateCompletenessCoverage(content, sessionState) {
if (!sessionState.currentPhase || !sessionState.phases) {
return 75; // Default completeness score
}
const currentPhase = sessionState.phases[sessionState.currentPhase];
if (!currentPhase) {
return 75; // Default completeness score
}
return this.assessContentCompleteness(content, currentPhase);
}
// Detailed micro-method implementations
calculatePhaseCoverageDetailed(sessionState, content) {
const phases = {};
for (const [phaseId, phase] of Object.entries(sessionState.phases)) {
phases[phaseId] = {
coverage: phase.coverage,
status: phase.status,
criteria_met: this.assessPhaseCriteria(content, phase.criteria),
};
}
return phases;
}
assessConstraintCoverageDetailed(sessionState, content) {
const constraints = {};
for (const constraint of sessionState.config.constraints) {
const validation = constraintManager.validateConstraints(content, [
constraint.id,
]);
constraints[constraint.id] = {
coverage: validation.coverage,
passed: validation.passed,
violations: validation.violations,
};
}
return constraints;
}
measureDocumentationCoverageDetailed(content) {
return {
overall: this.calculateDocumentationCoverage(content),
structure: this.assessContentStructure(content),
clarity: this.assessContentClarity(content),
wordCount: content.split(/\s+/).length,
};
}
checkTestCoverageDetailed(content) {
return {
overall: this.calculateTestCoverage(content),
hasTestStrategy: /test.*strategy/i.test(content),
hasTestCases: /test.*case/i.test(content),
hasCoverageTargets: /coverage.*target|target.*coverage/i.test(content),
};
}
generateDetailedCoverageReport(sessionState, _content) {
return {
sessionId: sessionState.config.sessionId,
timestamp: new Date().toISOString(),
status: sessionState.status,
currentPhase: sessionState.currentPhase,
overallCoverage: sessionState.coverage.overall,
};
}
// Helper methods (similar to confirmation module)
assessContentStructure(content) {
const hasHeaders = /^#{1,6}\s/m.test(content);
const hasLists = /^[-*+]\s/m.test(content);
const hasSections = content.split("\n\n").length > 2;
let score = 0;
if (hasHeaders)
score += 40;
if (hasLists)
score += 30;
if (hasSections)
score += 30;
return score;
}
assessContentClarity(content) {
const sentences = content
.split(/[.!?]+/)
.filter((s) => s.trim().length > 0);
const avgSentenceLength = sentences.reduce((sum, s) => sum + s.split(/\s+/).length, 0) /
sentences.length;
// Prefer moderate sentence length (10-20 words)
if (avgSentenceLength >= 10 && avgSentenceLength <= 20)
return 90;
if (avgSentenceLength >= 8 && avgSentenceLength <= 25)
return 75;
if (avgSentenceLength >= 5 && avgSentenceLength <= 30)
return 60;
return 40;
}
assessContentCompleteness(content, phase) {
const contentLower = content.toLowerCase();
let coverage = 0;
for (const output of phase.outputs || []) {
if (contentLower.includes(output.toLowerCase())) {
coverage++;
}
}
return phase.outputs?.length > 0
? (coverage / phase.outputs.length) * 100
: 100;
}
assessPhaseCriteria(content, criteria) {
const contentLower = content.toLowerCase();
let met = 0;
for (const criterion of criteria) {
if (contentLower.includes(criterion.toLowerCase())) {
met++;
}
}
return criteria.length > 0 ? (met / criteria.length) * 100 : 100;
}
}
// Export singleton instance
export const coverageEnforcer = new CoverageEnforcerImpl();
// Module Implementation Status Sentinel
export const IMPLEMENTATION_STATUS = "IMPLEMENTED";
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