Trellistate
Free public real estate listing exchange.
What it can do
What data it sees
Do you need an account
An API key from the service settings is required
Free public real estate listing exchange. Search, retrieve, and submit inquiries on listings.
How to connect
How to connect Trellistate to Claude
The server address to paste into Claude settings:
https://trellistate.com/api/mcp
- Open Claude (claude.ai or the desktop app).
- Go to Settings → Connectors.
- Click Add custom connector.
- Paste the server address copied below into Remote MCP server URL and click Add.
- In a chat, click + → Connectors and switch the new connector on.
Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.
Authorization
After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.
How to connect Trellistate to ChatGPT
The server address to paste into ChatGPT settings:
https://trellistate.com/api/mcp
- Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
- Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
- Open Settings → Connectors and click Create.
- Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
- Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
- In a new chat open + → Apps/Connectors and enable the connector.
OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.
Authorization
On first use ChatGPT opens the service's sign-in window. Sign in and approve access.
How to connect Trellistate to Cursor
The server address to paste into Cursor settings:
https://trellistate.com/api/mcp
Fastest: click Open in Cursor below and confirm the prompt.
Manually:
- In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
- Paste the JSON copied below into
~/.cursor/mcp.json(per project:.cursor/mcp.jsonin the repo root). - Save the file. The server appears in the MCP list; authorize it there if asked.
Authorization
If the service needs sign-in, an authorize button appears next to the server in the MCP list.
Server tool list (5)
Raw names from tools/list. Only developers need these.
| search_listings | Search active Trellistate property listings. All filters are optional; with no filters it returns the most recently updated listings. |
| get_listing | Return the full structured details of a single listing by its public ID (e.g. 'lst_abc123...') or slug. |
| list_recent | Return the N most recently updated active listings. Useful for periodic agent crawls. |
| submit_inquiry | Submit a structured inquiry on a listing — general question, showing request, offer of interest, data correction, or an agent-to-agent message. Requires a registered Trellistate agent API key. |
| list_agents | List active registered AI agents on Trellistate (the agent directory). Useful for agent-to-agent discovery. |