Arthur Online MCP by usefulapi
Read Arthur properties, units and tenancies; track maintenance and add tasks or notes.
What it does
Arthur Online MCP by usefulapi is an MCP server, a connector that lets an AI assistant use it as a tool. It is hosted: an assistant connects to it over the internet, nothing to install.
No capability identified yet from its description.
Facts come from the Official MCP Registry, as declared by the publisher. Capabilities are matched automatically (low confidence). None of this is a test of the tool.
At a glance
How to connect
As declared in the Official MCP Registry · hosted endpoint tested by Electra Index 3h ago (live check)Hosted endpoint
https://arthur-online.usefulapi.io/mcpstreamable-http
In Claude Code: claude mcp add --transport http arthur-online-mcp-by-usefulapi https://arthur-online.usefulapi.io/mcp
MCP settings (Claude Desktop, Cursor and other MCP clients)
{
"mcpServers": {
"arthur-online-mcp-by-usefulapi": {
"url": "https://arthur-online.usefulapi.io/mcp"
}
}
}Live check
Electra Index connected to the hosted endpoint 3h agoONLINE Arthur Online MCP by usefulapi answered an MCP connection on 30 Oct 2026 and introduced itself as arthur-online-mcp 1.0.0 (MCP protocol 2025-06-18).
20 tools offered to AI assistants
arthur_list_properties· Properties, their addresses, type, owner and managing agent. GET /v2/properties. Returns data plus the vendor pagination; this is one page, not the whole portfolio.arthur_get_property· Properties, their addresses, type, owner and managing agent. GET /v2/properties/{id}.arthur_list_units· Units, vacancy, availability, unit type, market rent and location. GET /v2/units. Returns data plus the vendor pagination; this is one page, not the whole portfolio.arthur_get_unit· Units, vacancy, availability, unit type, market rent and location. GET /v2/units/{id}.arthur_list_tenancies· Tenancies, their status, dates, unit and rent details. GET /v2/tenancies. Returns data plus the vendor pagination; this is one page, not the whole portfolio.arthur_get_tenancy· Tenancies, their status, dates, unit and rent details. GET /v2/tenancies/{id}.arthur_list_tenants· Tenant contact details and their linked tenancy; invitation codes are removed. GET /v2/tenants. Returns data plus the vendor pagination; this is one page, not the whole portfolio.arthur_get_tenant· Tenant contact details and their linked tenancy; invitation codes are removed. GET /v2/tenants/{id}.arthur_list_tasks· Maintenance tasks, status, descriptions, due dates, assigned managers and tags. GET /v2/tasks. Returns data plus the vendor pagination; this is one page, not the whole portfolio.arthur_get_task· Maintenance tasks, status, descriptions, due dates, assigned managers and tags. GET /v2/tasks/{id}.arthur_list_workorders· Contractor work orders, status, title, costs, dates and linked maintenance task. GET /v2/workorders. Returns data plus the vendor pagination; this is one page, not the whole portfolio.arthur_get_workorder· Contractor work orders, status, title, costs, dates and linked maintenance task. GET /v2/workorders/{id}.
Show 8 more
arthur_list_transactions· Read financial transactions and rent charges, with payment status and dates; never posts money. GET /v2/transactions. Returns data plus the vendor pagination; this is one page, not the whole portfolio.arthur_get_transaction· Read financial transactions and rent charges, with payment status and dates; never posts money. GET /v2/transactions/{id}.arthur_list_invoices· Read contractor invoices, amounts, outstanding balances and payment status; never pays or changes an invoice. GET /v2/invoices. Returns data plus the vendor pagination; this is one page, not the whole portfolio.arthur_get_invoice· Read contractor invoices, amounts, outstanding balances and payment status; never pays or changes an invoice. GET /v2/invoices/{id}.arthur_list_certificates· Property and unit certificates, type, expiry date and status. GET /v2/certificates. Returns data plus the vendor pagination; this is one page, not the whole portfolio.arthur_get_certificate· Property and unit certificates, type, expiry date and status. GET /v2/certificates/{id}.arthur_create_unit_task· WRITE: create a maintenance task associated with a unit when the user requests it. Confirm the intended unit and task details first. POST /v2/units/{unit_id}/tasks. No files, tenant invitations or financial changes; creates once and is nevearthur_add_task_note· WRITE: add a note to an existing maintenance task when the user requests it. Confirm the intended task and note first. POST /v2/tasks/{task_id}/notes. This creates a note once; it is not a tenant message and is never retried automatically.
What "online" means: the server answered an MCP connection at the time of the check. It is not a guarantee of security, quality or continuous uptime. How we test: we open an MCP session and ask for the tool list, as an AI assistant would. We never run a tool and never send a key. Checked every few days. Method
Is this your server? Monitoring Pro: a check every 30 minutes and an email within the hour when it stops answering. Launch offer: $39.99 once, for life.
Facts & evidence
Each fact shows where it was seen and when.| Fact | Value | Evidence | Source | Last confirmed |
|---|---|---|---|---|
| Hosted endpoint | https://arthur-online.usefulapi.io/mcp | DECLARED | SRC-001 Official MCP Registry | 3h ago |
| Local install (package) | no | DECLARED | SRC-001 Official MCP Registry | 3h ago |
| Remote access (hosted) | yes | DECLARED | SRC-001 Official MCP Registry | 3h ago |
| Website | https://usefulapi.io/arthur-online/ | DECLARED | SRC-001 Official MCP Registry | 3h ago |
| Repository | https://github.com/m190/usefulapi-mcp | DECLARED | SRC-001 Official MCP Registry | 3h ago |
| Registry status | active | DECLARED | SRC-001 Official MCP Registry | 3h ago |
| Version | 1.0.0 | DECLARED | SRC-001 Official MCP Registry | 3h ago |
| MCP server | yes | DECLARED | SRC-001 Official MCP Registry | 3h ago |
Change history
- NEW30 Oct 2026first seen in the index
Is this page accurate?
Flag it and our robot re-checks the official source. Reports never change a score.Is Arthur Online MCP by usefulapi still online?
Free alerts · no accountDo you run Arthur Online MCP by usefulapi? Know when it stops answering
For publishers · optionalIts hosted endpoint can be monitored. Monitoring Pro connects every 30 minutes like an AI assistant, emails you within the hour when it stops answering, keeps a 90-day availability history and adds your answer rate to your badge.
Monitoring never changes a score or a rank.
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How do I connect Arthur Online MCP by usefulapi?
Use the hosted endpoint https://arthur-online.usefulapi.io/mcp in your assistant's MCP settings. The exact settings are in "How to connect" above, as declared in the Official MCP Registry.
What tools does Arthur Online MCP by usefulapi offer?
When Electra Index connected on 30 Oct 2026, it listed 20 tools: arthur_list_properties, arthur_get_property, arthur_list_units, arthur_get_unit, arthur_list_tenancies, arthur_get_tenancy, arthur_list_tenants, arthur_get_tenant and more. The full list is in "Live check" above.
Is Arthur Online MCP by usefulapi online?
Yes. Its hosted endpoint answered an MCP connection from Electra Index 3h ago.