Obsidian Elite RAG MCP Server

import { promises as fs } from 'fs'; import path from 'path'; export class DocsMapper { private docsPath = path.join(process.cwd(), 'n8n-docs'); // Known documentation mapping fixes private readonly KNOWN_FIXES: Record<string, string> = { 'httpRequest': 'httprequest', 'code': 'code', 'webhook': 'webhook', 'respondToWebhook': 'respondtowebhook', // With package prefix 'n8n-nodes-base.httpRequest': 'httprequest', 'n8n-nodes-base.code': 'code', 'n8n-nodes-base.webhook': 'webhook', 'n8n-nodes-base.respondToWebhook': 'respondtowebhook' }; async fetchDocumentation(nodeType: string): Promise<string | null> { // Apply known fixes first const fixedType = this.KNOWN_FIXES[nodeType] || nodeType; // Extract node name const nodeName = fixedType.split('.').pop()?.toLowerCase(); if (!nodeName) { console.log(`⚠️ Could not extract node name from: ${nodeType}`); return null; } console.log(`📄 Looking for docs for: ${nodeType} -> ${nodeName}`); // Try different documentation paths - both files and directories const possiblePaths = [ // Direct file paths `docs/integrations/builtin/core-nodes/n8n-nodes-base.${nodeName}.md`, `docs/integrations/builtin/app-nodes/n8n-nodes-base.${nodeName}.md`, `docs/integrations/builtin/trigger-nodes/n8n-nodes-base.${nodeName}.md`, `docs/integrations/builtin/cluster-nodes/root-nodes/n8n-nodes-langchain.${nodeName}.md`, `docs/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.${nodeName}.md`, // Directory with index.md `docs/integrations/builtin/core-nodes/n8n-nodes-base.${nodeName}/index.md`, `docs/integrations/builtin/app-nodes/n8n-nodes-base.${nodeName}/index.md`, `docs/integrations/builtin/trigger-nodes/n8n-nodes-base.${nodeName}/index.md`, `docs/integrations/builtin/cluster-nodes/root-nodes/n8n-nodes-langchain.${nodeName}/index.md`, `docs/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.${nodeName}/index.md` ]; // Try each path for (const relativePath of possiblePaths) { try { const fullPath = path.join(this.docsPath, relativePath); const content = await fs.readFile(fullPath, 'utf-8'); console.log(` ✓ Found docs at: ${relativePath}`); return content; } catch (error) { // File doesn't exist, try next continue; } } console.log(` ✗ No docs found for ${nodeName}`); return null; } }