Rex Software MCP by usefulapi MCP Server

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Rex Software MCP by usefulapi is answering right now. Last checked 10 min ago. It exposes 33 tools. Last commit 1 Nov 2026.

Read contacts, listings, tenancies and tasks; create a person contact, note or reminder.

Uptime history 16 hours of history

16 hours agonow

100.0%

Uptime 24h

58 of 58 checks

Tools

read from the server

201 ms

Response time

average over 24h

Stars

last commit 1 Nov 2026

Nothing serious here today

Today is the operative word: we check Rex Software MCP by usefulapi every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 10 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add rex-software --transport http https://rex-software.usefulapi.io/mcp

Settings → Connectors → Add custom connector, then paste this address

https://rex-software.usefulapi.io/mcp

~/.codex/config.toml

[mcp_servers.rex-software]
url = "https://rex-software.usefulapi.io/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "rex-software": {
      "url": "https://rex-software.usefulapi.io/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "rex-software": {
      "type": "http",
      "url": "https://rex-software.usefulapi.io/mcp"
    }
  }
}

Available tools 33

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

rex

rex_autocomplete_contacts

Quick lookup of contacts by (part of) a name: returns the best matches with id, name, email and phone. Use the id with rex_get_contact. POST /v1/rex/Contacts/autocomplete.

rex_autocomplete_listings

Quick lookup of listings by (part of) an address: returns the best matches with listing id and address. Use the id with rex_get_listing. POST /v1/rex/Listings/autocomplete.

rex_create_contact

WRITE: create a new person contact in Rex with a name and optionally one email and one phone. Search first (rex_autocomplete_contacts) to avoid duplicates. Not retried. Returns the new contact id. POST /v1/rex/Contacts/create.

rex_create_note

WRITE: add a note to one or more contacts and/or properties (for example after a call or an open home). Not retried. Returns the new note id. POST /v1/rex/Notes/create.

rex_create_reminder

WRITE: create a follow-up reminder (task) due on a date, optionally linked to a contact, property or listing and assigned to a user (default: Rex's default remindee). Not retried. Returns the new reminder id. POST /v1/rex/Reminders/create.

rex_describe_search_fields

The field names a search on the given service accepts in criteria, each with its label, type and (for enums) the value list. Call this before building criteria on a field you are not sure of. Sorting (order_by) uses a separate list of sortable fields whose names can differ (for example name_last, not contact.name_last): set include_order_by to get it. POST /v1/rex/<Service>/describeSearchFields (and <Service>/describeModel for include_order_by).

rex_get_appraisal

One appraisal by id (date, state, agents, property, price expectations and commission estimate). The id comes from a search or autocomplete. POST /v1/rex/Appraisals/read.

rex_get_contact

One contact by id (names, emails, phones, addresses, tags, relationships and the related properties and listings). The id comes from a search or autocomplete. POST /v1/rex/Contacts/read.

rex_get_deal

One deal by id (state, value, parties and expected close date). The id comes from a search or autocomplete. POST /v1/rex/Deals/read.

rex_get_lead

One lead by id (contact, source, status, assignee and the original enquiry). The id comes from a search or autocomplete. POST /v1/rex/Leads/read.

rex_get_listing

One listing by id (state, price, agents, the property with its attributes, images, related contacts and events). The id comes from a search or autocomplete. POST /v1/rex/Listings/read.

rex_get_note

One note by id (text, type and the contacts and properties it is linked to). The id comes from a search or autocomplete. POST /v1/rex/Notes/read.

rex_get_property

One property by id (address, attributes (bedrooms, land area and so on), features, owners and the property's history). The id comes from a search or autocomplete. POST /v1/rex/Properties/read.

rex_get_reminder

One reminder by id (description, date, remindee, completion state and linked records). The id comes from a search or autocomplete. POST /v1/rex/Reminders/read.

rex_get_tenancy

One tenancy by id (property, tenants, lease dates and rent). The id comes from a search or autocomplete. POST /v1/rex/Tenancies/read.

rex_get_user_profile

The Rex user this server is signed in as: user id, name, email, whether they own the account, position and default office. Good first call. POST /v1/rex/UserProfile/read.

rex_get_value_list

The allowed values (id and label) of one value list, for example property_category. The ids are what writes and criteria expect. POST /v1/rex/SystemValues/getCategoryValues.

rex_list_accessible_accounts

The Rex agency accounts (account_id and name) this user can sign in to. A user with several accounts picks one with the Account id field when connecting. POST /v1/rex/UserProfile/getAccessibleAccounts.

rex_list_value_lists

The names of Rex's value lists (the allowed ids for fields such as note types, reminder types, lead sources and property categories). Use a name with rex_get_value_list. POST /v1/rex/SystemValues/getValueCategories.

rex_search_activities

Search activities (the log of calls, emails and other actions on records). Filters (criteria) combine with AND; results are paged with offset/limit (next_offset says where to continue). Useful fields: parent_object_type, parent_object_id, type_id, system_ctime, system_created_user_id. POST /v1/rex/Activities/search.

rex_search_appointments

Search appointments (calendar items such as inspections and meetings). Filters (criteria) combine with AND; results are paged with offset/limit (next_offset says where to continue). The searchable fields follow Reminders (reminder_date, remindee_user_id, contact_id, property_id, listing_id). Call rex_describe_search_fields with service Appointments for the full list. POST /v1/rex/Appointments/search.

rex_search_appraisals

Search appraisals (listing presentations / market appraisals). Filters (criteria) combine with AND; results are paged with offset/limit (next_offset says where to continue). Useful fields: appraisal_date, appraisal_state, appraisal_type_id, agent_id, property_id, listing_id, pipeline_stage_id, expected_close_date, price_asking. POST /v1/rex/Appraisals/search.

rex_search_campaigns

Search campaigns (nurture and marketing campaigns with their members). Filters (criteria) combine with AND; results are paged with offset/limit (next_offset says where to continue). Call rex_describe_search_fields with service Campaigns for the searchable fields. POST /v1/rex/Campaigns/search.

rex_search_contacts

Search contacts (people and companies). Filters (criteria) combine with AND; results are paged with offset/limit (next_offset says where to continue). Useful fields: contact.name_full, contact.name_first, contact.name_last, contact.email_address, contact.phone_number, contact.type, contact.tags, contact.interest_level, contact.last_contacted_date, system_modtime. To find someone by name, rex_autocomplete_contacts is simpler. POST /v1/rex/Contacts/search.

rex_search_deals

Search deals (the sales pipeline). Filters (criteria) combine with AND; results are paged with offset/limit (next_offset says where to continue). Useful fields: deal.deal_state, deal.expected_close_date, deal.archive_date, deal.tags, deal.description. POST /v1/rex/Deals/search.

rex_search_leads

Search leads (enquiries from portals, the website and email). Filters (criteria) combine with AND; results are paged with offset/limit (next_offset says where to continue). Useful fields: lead.contact_id, lead.listing_id, lead.property_id, lead.assignee_id, lead.lead_source_id, lead.lead_status_id, lead.system_completed_time, system_ctime. POST /v1/rex/Leads/search.

rex_search_listing_events

Search listing events (open homes and inspections). Filters (criteria) combine with AND; results are paged with offset/limit (next_offset says where to continue). Call rex_describe_search_fields with service ListingEvents for the searchable fields. POST /v1/rex/ListingEvents/search.

rex_search_listings

Search listings (properties for sale or rent). Filters (criteria) combine with AND; results are paged with offset/limit (next_offset says where to continue). Useful fields: listing.system_listing_state (for example "current"), listing.system_publication_status, listing.price_match, listing.listing_agent_id, listing.listing_category_id, property.adr_suburb_or_town, property.adr_postcode, property.adr_street_name, property.attr_bedrooms. To find a listing by address, rex_autocomplete_listings is simpler. POST /v1/rex/Listings/search.

rex_search_notes

Search notes recorded against contacts and properties. Filters (criteria) combine with AND; results are paged with offset/limit (next_offset says where to continue). Useful fields: system_ctime, system_created_user_id, id. Call rex_describe_search_fields with service Notes for related contact and property fields. POST /v1/rex/Notes/search.

rex_search_properties

Search properties (the physical addresses behind listings, appraisals and tenancies). Filters (criteria) combine with AND; results are paged with offset/limit (next_offset says where to continue). Useful fields: property.system_search_key, property.adr_suburb_or_town, property.adr_postcode, property.adr_street_name, property.attr_bedrooms, property.attr_bathrooms. POST /v1/rex/Properties/search.

rex_search_reminders

Search reminders (follow-up tasks) linked to contacts, properties and listings. Filters (criteria) combine with AND; results are paged with offset/limit (next_offset says where to continue). Useful fields: reminder_date, system_completed_time, remindee_user_id, contact_id, property_id, listing_id, reminder_type_id, priority_id. Open reminders have no system_completed_time (type is, value Null). POST /v1/rex/Reminders/search.

rex_search_tenancies

Search tenancies (property management leases). Filters (criteria) combine with AND; results are paged with offset/limit (next_offset says where to continue). Useful fields: id, property_id, system_record_state, lease_current_expiry, crt.contact_id. POST /v1/rex/Tenancies/search.

rex_search_users

Search the users (staff) of the agency account. Filters (criteria) combine with AND; results are paged with offset/limit (next_offset says where to continue). Useful fields: first_name, last_name, email, status, user_group_id. User ids are used elsewhere as agent, assignee and remindee ids. POST /v1/rex/AccountUsers/search.

Endpoints

URL	Transport	State	Latency	Checked
https://rex-software.usefulapi.io/mcp	streamable-http	answering	152 ms	10 min ago

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Rex Software MCP by usefulapi — questions

Answers built from our own checks of this server.

What can Rex Software MCP by usefulapi do?

It exposes 33 tools, read directly from the server on our last check. Among them: rex_autocomplete_contacts, rex_autocomplete_listings, rex_create_contact, rex_create_note, rex_create_reminder, rex_describe_search_fields and 27 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Rex Software MCP by usefulapi working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 58 of 58 checks got a reply (100.0%), average response time 201 ms. The bar chart above shows every period we have measured.

How do I connect Rex Software MCP by usefulapi?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Rex Software MCP by usefulapi need an API key?

No. Rex Software MCP by usefulapi completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 33 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Rex Software MCP by usefulapi?

It answers our handshake in 201 ms on average, which is faster than 70% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Rex Software MCP by usefulapi open source?

The code is open source: it is published under the MIT licence, written in JavaScript, 1 stars on GitHub and 1 open issue. The licence covers the code in the repository, not the hosted service at rex-software.usefulapi.io, which runs on its operator's own terms.