"How to connect a backend project to MongoDB" matching MCP servers:

Connect AI assistants (Claude, ChatGPT) to Propstack real estate CRM via MCP

Hosted, pay-per-call MCP server for Cook County / Chicago property records — parcels, recorded sales & deeds, building permits, tax assessments, and comparable sales — by street address or 14-digit PIN. Pay per call via x402 (USDC on Base/Solana); no signup or API key.

Vacation rental software. A signed stay offer on the host's own domain. Agents discover a host domain, verify an Ed25519-signed offer (VRP), and send the guest to that domain to book and pay the host. Do not compare hosts or prices. HemmaBo + VRP, 6 runtime tools: 2 HemmaBo tools, 2 host onboarding tools, and 2 VRP verification tools. Not an OTA. Not a marketplace.

MCP server for searching and querying detailed housing listings in Taiwan, enabling AI to find properties with filters like city, district, room count, price, and age.

Provides AI agents with real-time access to French real estate transaction data, price per square meter, and property estimates using official open DVF data, with no API key required.

Enables agents to read condominio, persone, and fornitore data from one or more Danea Domustudio archives through read-only tools, with archive selection, filtering, pagination, and markdown or JSON output.

MCP server giving agents canonical access to 180M+ US parcels with ownership, valuation, permits, deeds, hazard, and market data.

MCP server that exposes a Hawaii property pipeline as Claude tools, allowing natural language queries about parcel records, hazards, zoning, ADU eligibility, and more, based on real public data.

Four UK property finance calculators for AI assistants: bridging cost, development appraisal, BTL stress test, and UK stamp duty (SDLT, LBTT, LTT). Built by FD Commercial, a specialist UK property finance broker.

A MCP server exposing 95 US government open-data tools as agent-callable tools, enabling direct access to official APIs for environmental, financial, licensing, and infrastructure data with honest run-status reporting.

MCP server for AppFolio property management data, providing six catalog-backed tools to discover, describe, and run reports (Reporting API) and call endpoints (Database API) for reading and writing property management records.

Enables AI agents to search Dutch housing listings on Kamernet.nl, retrieve full listing details, and optionally reply to landlords; designed for personal use in finding rooms, studios, and apartments.

Provides McKinsey-style strategy intelligence for real estate by enabling AI assistants to search podcast transcripts, access industry benchmarks, and apply consulting frameworks like 2×2 matrices and issue trees to analyze business situations.

Enables AI agents to prepare floor plans for Ritn3D and interpret 3D outputs by providing tools for validation, complexity estimation, pricing, and failure analysis.

Enables natural-language access to Zillow real-estate data, including property search, details, Zestimate history, saved searches/homes, and market reports, by routing requests through the user's authenticated browser session.

MCP server that provides direct access to real-time UAE property data, retail products, and travel pricing through task-shaped tools, normalizing inconsistent API responses and resolving location IDs.

Provides aggregated municipal development costs for US jurisdictions, including impact fees and utility connection charges, enabling AI agents to assess building feasibility quickly.

Provides 12 tools to query South Korean building register data, including title sheets, floor details, and official house prices via the data.go.kr API. It enables users to perform smart building lookups and region code searches using natural language.

Enables users to search UK property prices by postcode, street, or city using the HM Land Registry's SPARQL endpoint. It also provides tools for resolving postcodes and finding nearby locations through Ordnance Survey data.

Enables users to search synthetic property listings, retrieve full listing records, and answer factual inquiries from the record while escalating viewings, negotiation, legal, complaints, personal-data, and other out-of-record requests to a human. The human hand-off creates a ticket with a fixed reason code and rejects unknown listing ids.