Read Propstack contacts, properties, projects, deals, tasks, events; create and update CRM records. Hosted by usefulapi — connect from Claude, Cursor, or any MCP client.
Team and Enterprise: an Owner adds the connector for the organization first.
Run this command, then run /mcp in Claude Code to log in:
Add to Cursor or add this to ~/.cursor/mcp.json:
{
"mcpServers": {
"propstack": {
"url": "https://propstack.usefulapi.io/mcp"
}
}
}Add to VS Code or add this to .vscode/mcp.json:
{
"servers": {
"propstack": {
"type": "http",
"url": "https://propstack.usefulapi.io/mcp"
}
}
}Other MCP clients (Windsurf, Cline, Zed and more): add the URL as a remote MCP server (Streamable HTTP). The client then opens the login page in your browser. Do not add an Authorization header: see Before you connect.
The login page asks for your Propstack API key.
An admin creates it in Propstack under Verwaltung → API-Schlüssel (crm.propstack.de/app/admin/api_keys) and sets its permissions there; give it only the access you need. The key is used only to call the Propstack API on your behalf and is never shown to anyone. Contact data is personal data: connect only if your AI client and its provider are covered by your data-protection agreements.
Add only the URL. Do not add an Authorization header or an API key to the client config. The server signs you in with OAuth: the login page asks for your Propstack API key. If the config has such a header, remove it: some clients then send that header instead of the login token, and every call fails with 401.
| Tool | Type | What it does |
|---|---|---|
propstack_list_contacts | read | List or search contacts List or search CRM contacts (Kontakte). Returns business fields only (name, company, email, phone numbers, status, source, tags, owner, dates), never birth data, identity or tax numbers, income or portal tokens. Search by free text (name, email, address, phone), exact email, exact phone number, or filter by status, source, tag, owner and dates. Archived contacts are excluded unless archived is set. GET /contacts. |
propstack_get_contact | read | Get contact One contact by id with address, salutation, language, notes, GDPR status, owner, status, source, tags, sub-contacts and owned properties. Birth data, identity and tax numbers, income and the portal token are never returned. GET /contacts/{id}. |
propstack_list_properties | read | List or search properties List or search properties (Objekte / units): address, type, marketing type (buy/rent), rooms, areas, prices, status. Images and owners are not returned. Filter by free text, status, tag, project, marketing type, object type, price and area ranges. GET /units. |
propstack_get_property | read | Get property One property (Objekt) by id: address, type, rooms, areas, prices, status and the description, location and furnishing texts (clipped). No images or owner. GET /units/{id}. |
propstack_list_projects | read | List projects List projects (Projekte: a project groups several property units): title, project id, status, address, owner. Not paged; at most 200 are returned. GET /projects. |
propstack_list_deals | read | List deals List deals (a deal links a contact to a property and sits in a pipeline stage). Filter by pipeline, stage, category (qualified/unqualified/lost), contact, property, project or owner. Use propstack_list_deal_pipelines for stage ids. GET /client_properties. |
propstack_list_deal_pipelines | read | List deal pipelines List the deal pipelines with their stages (id, name, position, win chance). Use the stage ids to filter deals or to move a deal. GET /deal_pipelines. |
propstack_list_activities | read | List activities List the activity timeline (notes, tasks, appointments, e-mails, SMS, letters, rejections, inquiries) with title, linked contacts and properties, state and dates. Message and note bodies are not returned. Filter by type, contact, property, project, owner, category or date. GET /activities. |
propstack_get_task | read | Get task One task by id (a note, to-do or appointment): title, body text (clipped), type, linked contacts, properties and projects (id and name only), due date or start/end. GET /tasks/{id}. |
propstack_list_events | read | List calendar events List calendar appointments (Termine, e.g. viewings) in a time window, with title, place, start/end, state and the linked contact, property and project (id and name only). Paged: follow next_page. GET /events. |
propstack_list_users | read | List users List the users (staff, Nutzer) of the Propstack account: id, name, work email, position, phone, team. Use the ids as owner/broker filters. GET /brokers. |
propstack_get_reference_data | read | Get reference data Look up the ids used by other tools: property_statuses, activity_types (note/task/appointment types, needed as note_type_id), contact_sources, reservation_reasons (rejection reasons), contact_tags or property_tags. GET /property_statuses, /activity_types, /contact_sources, /reservation_reasons or /groups. |
propstack_create_contact | write | Create contact WRITE: create a CRM contact. Propstack matches on the email address: if a contact with the same email already exists it is UPDATED with the given fields instead of creating a duplicate. Consent flags (newsletter, contact permission, GDPR status) cannot be set here. Returns the contact id. POST /contacts. |
propstack_update_contact | write | Update contact WRITE: change the given fields of an existing contact; fields not given stay as they are. Returns the updated contact (business fields). PUT /contacts/{id}. |
propstack_create_task | write | Create note, to-do or appointment WRITE: create a note, a to-do (with due date) or an appointment (with start and end) in Propstack, linked to contacts, properties or projects. note_type_id is the activity type id (see propstack_get_reference_data activity_types). No e-mail or SMS is sent to the contact; the only mail is the reminder to the assignee when remind_at is set. Returns the new task id. POST /tasks. |
propstack_update_task | write | Update task WRITE: change the given fields of an existing note, to-do or appointment (for example mark a to-do done, move its due date, or reschedule). Fields not given stay as they are. PUT /tasks/{id}. |
propstack_create_deal | write | Create deal WRITE: create a deal linking a contact to a property in a pipeline stage (see propstack_list_deal_pipelines for stage ids). Returns the new deal. POST /client_properties. |
propstack_update_deal | write | Update deal WRITE: change the given fields of a deal, typically move it to another pipeline stage or update its note or price. Fields not given stay as they are. PUT /client_properties/{id}. |
propstack_usage_status | Usage status (free-tier meter) Report the caller's current free-tier usage this month: calls used, monthly limit, remaining, and whether the cap is reached. Read-only; does not count against the meter. | |
propstack_request_feature | Request a missing feature Tell usefulapi that the user needs something the Propstack tools cannot do yet (a missing tool, field or filter). Call it only when the user asks for something none of the tools can do, and tell the user that you send the request. Do not call it for errors or for normal requests. Do not include personal data, credentials or customer records. Stored with the product name and the client type (for example Claude or Cursor), without the user's account. At most 5 requests per day. Does not count against the meter. | |
propstack_upgrade | Upgrade to Pro (unlimited) Subscribe to the Pro plan for UNLIMITED Propstack tool calls (the free tier caps monthly usage). Choose monthly ($9/month) or yearly ($90/year — 2 months free) billing. Returns a Stripe Checkout link to open in your browser; after payment your account upgrades automatically. Does not count against the meter. | |
propstack_cancel_subscription | Cancel the Pro subscription Cancel the caller's Propstack Pro subscription at the end of the paid period (no refund for the current period; unlimited calls continue until then, then the free tier applies). Requires confirm: true. Run propstack_upgrade later to undo the cancel before the period ends. Does not count against the meter. |
| Plan | Price | Limit |
|---|---|---|
| Free | $0 | 100 tool calls / month |
| Proper API key | $9/mo · $90/yr | Unlimited |
Pro covers this Propstack server only. Subscribe with propstack_upgrade (it returns a Stripe Checkout link). Cancel any time with propstack_cancel_subscription: Pro continues to the end of the paid period, with no refund for the current period, and running propstack_upgrade before then undoes the cancel. Or write to [email protected].
No. usefulapi is an independent service. It is not affiliated with or endorsed by Propstack. The server calls the Propstack API with your own Propstack access, so it sees only the data that your account can see.
The login page asks for your Propstack API key. See Before you connect for where to find it.
No. Add only the URL. Do not add an Authorization header or an API key to the client config. The server signs you in with OAuth: the login page asks for your Propstack API key. If the config has such a header, remove it: some clients then send that header instead of the login token, and every call fails with 401.
The login stores them encrypted in the authorization grant of your connection. The server uses them to call the Propstack API for you and to derive a private account id for usage metering. usefulapi does not show them on any page or in any reply. To stop all access, remove the connector and change or delete these credentials in Propstack.
Yes, if you approve it. 6 of the 18 Propstack tools can create or change data. The other 12 are marked read-only. Most MCP clients ask you to approve a tool call before it runs.
The Free plan gives 100 tool calls / month. Pro costs $9/mo or $90/yr, with unlimited tool calls, for this Propstack server only. Run propstack_usage_status to see how many calls you used.
Ask the AI to run propstack_upgrade: it returns a Stripe Checkout link. To cancel, run propstack_cancel_subscription. Pro continues to the end of the paid period.
Tell the AI what you wanted to do. It can send the request with propstack_request_feature. We store the text with the server name, the type of AI client and the tool you tried, not with your account, and read every request when we plan new tools. You can send up to 5 requests per day.
Any client that supports remote MCP servers (Streamable HTTP) with OAuth login: Claude (web and desktop), Claude Code, Cursor, VS Code, Windsurf and others.
This is a Model Context Protocol endpoint — meant to be connected from an AI client, not opened in a browser. An invalid_token response at the URL is the auth gate working as designed; clients authenticate automatically.