mirror of
https://github.com/czlonkowski/n8n-mcp.git
synced 2026-02-07 05:53:07 +00:00
feat: add template metadata generation and smart discovery
- Implement OpenAI batch API integration for metadata generation - Add search_templates_by_metadata tool with advanced filtering - Enhance list_templates to include descriptions and optional metadata - Generate metadata for 2,534 templates (97.5% coverage) - Update README with Template Tools section and enhanced Claude setup - Add comprehensive documentation for metadata system Enables intelligent template discovery through: - Complexity levels (simple/medium/complex) - Setup time estimates (5-480 minutes) - Target audience filtering (developers/marketers/analysts) - Required services detection - Category and use case classification Co-Authored-By: Claude <noreply@anthropic.com>
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@@ -625,4 +625,173 @@ export class TemplateRepository {
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return { total, withMetadata, withoutMetadata, outdated };
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}
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/**
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* Search templates by metadata fields
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*/
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searchTemplatesByMetadata(filters: {
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category?: string;
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complexity?: 'simple' | 'medium' | 'complex';
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maxSetupMinutes?: number;
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minSetupMinutes?: number;
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requiredService?: string;
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targetAudience?: string;
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}, limit: number = 20, offset: number = 0): StoredTemplate[] {
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const conditions: string[] = ['metadata_json IS NOT NULL'];
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const params: any[] = [];
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// Build WHERE conditions based on filters
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if (filters.category) {
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conditions.push("json_extract(metadata_json, '$.categories') LIKE ?");
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params.push(`%"${filters.category}"%`);
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}
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if (filters.complexity) {
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conditions.push("json_extract(metadata_json, '$.complexity') = ?");
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params.push(filters.complexity);
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}
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if (filters.maxSetupMinutes !== undefined) {
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conditions.push("CAST(json_extract(metadata_json, '$.estimated_setup_minutes') AS INTEGER) <= ?");
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params.push(filters.maxSetupMinutes);
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}
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if (filters.minSetupMinutes !== undefined) {
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conditions.push("CAST(json_extract(metadata_json, '$.estimated_setup_minutes') AS INTEGER) >= ?");
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params.push(filters.minSetupMinutes);
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}
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if (filters.requiredService) {
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conditions.push("json_extract(metadata_json, '$.required_services') LIKE ?");
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params.push(`%"${filters.requiredService}"%`);
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}
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if (filters.targetAudience) {
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conditions.push("json_extract(metadata_json, '$.target_audience') LIKE ?");
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params.push(`%"${filters.targetAudience}"%`);
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}
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const query = `
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SELECT * FROM templates
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WHERE ${conditions.join(' AND ')}
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ORDER BY views DESC, created_at DESC
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LIMIT ? OFFSET ?
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`;
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params.push(limit, offset);
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const results = this.db.prepare(query).all(...params) as StoredTemplate[];
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logger.debug(`Metadata search found ${results.length} results`, { filters, count: results.length });
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return results.map(t => this.decompressWorkflow(t));
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}
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/**
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* Get count for metadata search results
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*/
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getMetadataSearchCount(filters: {
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category?: string;
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complexity?: 'simple' | 'medium' | 'complex';
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maxSetupMinutes?: number;
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minSetupMinutes?: number;
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requiredService?: string;
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targetAudience?: string;
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}): number {
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const conditions: string[] = ['metadata_json IS NOT NULL'];
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const params: any[] = [];
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if (filters.category) {
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conditions.push("json_extract(metadata_json, '$.categories') LIKE ?");
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params.push(`%"${filters.category}"%`);
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}
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if (filters.complexity) {
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conditions.push("json_extract(metadata_json, '$.complexity') = ?");
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params.push(filters.complexity);
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}
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if (filters.maxSetupMinutes !== undefined) {
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conditions.push("CAST(json_extract(metadata_json, '$.estimated_setup_minutes') AS INTEGER) <= ?");
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params.push(filters.maxSetupMinutes);
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}
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if (filters.minSetupMinutes !== undefined) {
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conditions.push("CAST(json_extract(metadata_json, '$.estimated_setup_minutes') AS INTEGER) >= ?");
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params.push(filters.minSetupMinutes);
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}
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if (filters.requiredService) {
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conditions.push("json_extract(metadata_json, '$.required_services') LIKE ?");
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params.push(`%"${filters.requiredService}"%`);
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}
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if (filters.targetAudience) {
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conditions.push("json_extract(metadata_json, '$.target_audience') LIKE ?");
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params.push(`%"${filters.targetAudience}"%`);
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}
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const query = `SELECT COUNT(*) as count FROM templates WHERE ${conditions.join(' AND ')}`;
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const result = this.db.prepare(query).get(...params) as { count: number };
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return result.count;
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}
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/**
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* Get unique categories from metadata
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*/
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getAvailableCategories(): string[] {
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const results = this.db.prepare(`
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SELECT DISTINCT json_extract(value, '$') as category
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FROM templates, json_each(json_extract(metadata_json, '$.categories'))
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WHERE metadata_json IS NOT NULL
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ORDER BY category
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`).all() as { category: string }[];
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return results.map(r => r.category);
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}
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/**
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* Get unique target audiences from metadata
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*/
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getAvailableTargetAudiences(): string[] {
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const results = this.db.prepare(`
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SELECT DISTINCT json_extract(value, '$') as audience
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FROM templates, json_each(json_extract(metadata_json, '$.target_audience'))
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WHERE metadata_json IS NOT NULL
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ORDER BY audience
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`).all() as { audience: string }[];
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return results.map(r => r.audience);
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}
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/**
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* Get templates by category with metadata
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*/
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getTemplatesByCategory(category: string, limit: number = 10, offset: number = 0): StoredTemplate[] {
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const query = `
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SELECT * FROM templates
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WHERE metadata_json IS NOT NULL
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AND json_extract(metadata_json, '$.categories') LIKE ?
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ORDER BY views DESC, created_at DESC
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LIMIT ? OFFSET ?
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`;
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const results = this.db.prepare(query).all(`%"${category}"%`, limit, offset) as StoredTemplate[];
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return results.map(t => this.decompressWorkflow(t));
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}
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/**
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* Get templates by complexity level
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*/
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getTemplatesByComplexity(complexity: 'simple' | 'medium' | 'complex', limit: number = 10, offset: number = 0): StoredTemplate[] {
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const query = `
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SELECT * FROM templates
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WHERE metadata_json IS NOT NULL
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AND json_extract(metadata_json, '$.complexity') = ?
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ORDER BY views DESC, created_at DESC
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LIMIT ? OFFSET ?
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`;
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const results = this.db.prepare(query).all(complexity, limit, offset) as StoredTemplate[];
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return results.map(t => this.decompressWorkflow(t));
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}
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}
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