Eigenheim Invest – Berlin Real Estate Market MCP server

Eigenheim Invest – Berlin Real Estate Market MCP

TL;DR – A free, public, read-only MCP server with live Berlin property prices (€/m² for apartments and houses), rental yields, 2026 standard land values (Bodenrichtwerte), population forecast 2040, official notary transaction data and current listings from Eigenheim Invest.

- Endpoint: https://eigenheim-invest.de/mcp/ (Streamable HTTP)

- Auth: none – no API key, no login

- Works with: Claude (Desktop, Code, Web), ChatGPT (Apps / Plugins), OpenAI Codex, Cursor, VS Code

- MCP Registry ID: io.github.magicSEO/eigenheim-mcp (official MCP Registry)

- Live data page: eigenheim-invest.de/immobilienpreise-berlin/

Contents

1. Quick start
2. Screenshots
3. What can you ask?
4. Available tools
5. Data sources
6. Privacy & usage
7. About

Quick start

Claude Code

claude mcp add --transport http eigenheim https://eigenheim-invest.de/mcp/

Claude Desktop / Claude.ai

Settings → Connectors → Add custom connector

• Name: Eigenheim Invest Market
• URL: https://eigenheim-invest.de/mcp/

OpenAI Codex CLI

codex mcp add eigenheim --url https://eigenheim-invest.de/mcp/

or in ~/.codex/config.toml:

[mcp_servers.eigenheim]
url = "https://eigenheim-invest.de/mcp/"

ChatGPT (Apps / Plugins)

Custom GPTs retire on 11 Dec 2026. This server is MCP-native, so it works as a ChatGPT app (plugin) without any extra API. Submission to the ChatGPT app directory: see chatgpt-app/SUBMISSION.md.

1. Settings → Apps (or Plugins) → Advanced settings → enable Developer mode.
2. Create app:

• Name: Eigenheim Invest Market
• MCP Server URL: https://eigenheim-invest.de/mcp/
• Authentication: No authentication

1. In a new chat, select the app via + → Developer mode and ask your question.

Cursor (.cursor/mcp.json)

{
  "mcpServers": {
    "eigenheim": { "url": "https://eigenheim-invest.de/mcp/" }
  }
}

VS Code (.vscode/mcp.json)

{
  "servers": {
    "eigenheim": { "type": "http", "url": "https://eigenheim-invest.de/mcp/" }
  }
}

Tip: Use the URL with trailing slash (/mcp/). Without it the server redirects, which some clients do not follow.

Screenshots

Real responses from the live server (captured 16 Oct 2026):

What can you ask?

Ask in English or German – the assistant picks the right tool.

Prices & trends

• "What is the average price per m² for apartments and houses in Zehlendorf compared to Berlin?"
• „Was kostet ein Quadratmeter in Prenzlauer Berg aktuell?"
• "Which Berlin neighbourhood is the most expensive for apartments right now?"

Rental yield & investment

• "Calculate the gross rental yield and price multiplier for an apartment in Steglitz."
• „Lohnt sich eine Wohnung in Neukölln als Kapitalanlage? Rechne mit 5.000 €/m² und 14 € Miete."

Land values (Bodenrichtwerte 2026)

• "What are the 2026 standard land values in Dahlem and Nikolassee?"
• „Wie hoch ist der Bodenrichtwert in Wannsee?"

Market & demographics

• "How many notarised property sales were there in Berlin in H1 2026?"
• „Welche Bezirke wachsen laut Senatsprognose bis 2040 am stärksten?"

Shortened. The full README is on GitHub.