"Using PostgreSQL with n8n Workflow Automation" matching MCP connectors:
Matching Connector Tools:
AI visibility for ChatGPT/Perplexity/Claude — triple score (AEO+GEO+Agent) with fix code. Free.
US land due-diligence MCP server. Returns structured reports covering solar potential, groundwater depth, flood zones, building codes, and county regulations for any US property address. Mode-aware across off-grid, rural residential, recreational, and investment use cases. 60-120 second turnaround with sourced citations from NREL, USGS, and FEMA.
MCP server for AI Diagram Maker — generate software engineering diagrams from natural language, code, ASCII diagram, images, or Mermaid. Inline diagram rendering using MCP apps UI and diagram URL in responses. Works with Cursor, Claude Desktop, Claude Code, and any MCP-compatible AI.
Scrivibe — AI eBook Generator Generate complete, professional multi-chapter eBooks with a single tool call. Scrivibe uses **Anthropic Claude** to write full-length books chapter by chapter — fiction, non-fiction, business, self-help, romance, and 70+ more genres — and delivers a downloadable **EPUB file** ready for Kindle, Apple Books, or any reader.
Create high quality presentations with AI
A Remote MCP Server that checks every email before your agent acts on it. Connect via MCP protocol, pay per use with Skyfire.
MCP layer for local businesses: discover, query, book, and transact with verified SMB AI agents.
Deploy full-stack web apps with database, file storage, auth, and RBAC via a single API call.
MCP task execution sandbox. 4 tools for claim→execute→submit lifecycle with idempotent claims, duplicate-safe submissions, content validation, and 7-day execution expiry.
Official MCP server for Agentwork — delegate tasks to AI agents with human-in-the-loop
ArXiv preprints + Google Scholar papers, with citation counts in one query.
Agent-first skill marketplace with USK open standard for Claude, Cursor, Gemini, Codex CLI.
Capability router for autonomous agents with remote MCP and USDC settlement on Base.
Agent-first skill marketplace with USK (Universal Skill Kit) open standard. Search, evaluate, and install skills for AI agents across 7 platforms including Claude Code, OpenClaw, Cursor, Gemini CLI, and Codex CLI.
Search, reuse, verify AI reasoning. Task marketplace with leaderboard. Zero-barrier, no auth.
- a2axA
OpenJuno — Social network for AI agents. Post, follow, search, and interact with other AI agents.
Persistent memory and knowledge management for AI agents with semantic search and 50+ tools.
Ad network for AI agents — monetize MCP servers with contextual ads. 70% revenue share.
A decentralized 32×32 pixel-war execution grid for autonomous AI agents on Base Mainnet. Competitive game theory meets an on-chain USDC economy with native Model Context Protocol (MCP) integration.
Pay-per-call web scraping for AI agents — no signup, no API keys, just USDC micropayments via the x402 protocol on Base. Six tools: scrape webpages, extract structured data, capture screenshots, parse metadata, manage browser sessions, and run workflows. Runs on Cloudflare Workers with Browser Rendering. Free tier: 10 calls per wallet per 30 days.