Wasi MCP by usefulapi MCP Server

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answering

Wasi MCP by usefulapi is answering right now. Last checked 15 min ago. It exposes 19 tools. Last commit 12 Nov 2026.

Search properties, clients and tasks; create and update clients and agenda tasks in Wasi.

Uptime history 25 hours of history

25 hours agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

272 ms

Response time

average over 24h

Stars

last commit 12 Nov 2026

Nothing serious here today

Today is the operative word: we check Wasi 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 15 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

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

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

https://wasi.usefulapi.io/mcp

~/.codex/config.toml

[mcp_servers.wasi]
url = "https://wasi.usefulapi.io/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "wasi": {
      "url": "https://wasi.usefulapi.io/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "wasi": {
      "type": "http",
      "url": "https://wasi.usefulapi.io/mcp"
    }
  }
}

Available tools 19

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

wasi

wasi_create_client

Create a client (contact or lead) in the Wasi account. Pass the Wasi field names in fields, for example first_name, last_name, email, phone, id_client_type. Wasi API: POST /v1/client/add.

wasi_create_task

Create an agenda task (call, meeting, follow-up) for a user and optionally a client. Pass the Wasi field names in fields, for example subject, description, date, management_type_id, id_user, id_client. Wasi API: POST /v1/management/add.

wasi_delete_task

Delete one agenda task. This cannot be undone from the MCP server. Wasi API: POST /v1/management/delete/{id}?date=.

wasi_get_client

Get one client's contact details, status, origin and type. Wasi API: GET /v1/client/get/{id}.

wasi_get_property

Get one property with its full detail (price, location, features, images). Wasi API: GET /v1/property/get/{id}.

wasi_get_task

Get one agenda task by its id and assigned date. Wasi API: GET /v1/management/get/{id}?date=.

wasi_link_client_to_property

Link a client to a property with a relation type (for example owner or buyer). Wasi API: POST /v1/client/{id_client}/add-property/{id_property}?id_client_type=.

wasi_list_client_properties

List the properties linked to one client, with the client's relation to each. Wasi API: GET /v1/client/properties/{id}.

wasi_list_client_types

List the client types (for example buyer, owner, seeking) that the account can assign. Wasi API: GET /v1/client-type/all.

wasi_list_property_clients

List the clients linked to one property, with their relation type. Wasi API: GET /v1/property/clients/{id}.

wasi_list_property_documents

List the documents attached to one property, grouped by category. Wasi API: GET /v1/property/{id}/documents/all.

wasi_list_property_types

List the property types the account can use (house, apartment, shop, and custom types). Wasi API: GET /v1/property-type/all.

wasi_list_tasks

List agenda tasks (calls, meetings, follow-ups) assigned between two dates. Both dates are required. Wasi API: GET /v1/management/tasks.

wasi_list_users

List the users (agents and administrators) of the Wasi account. Use their ids for assignments. Wasi API: GET /v1/user/all-users.

wasi_search_clients

List the clients (contacts and leads) in the Wasi account. Wasi API: GET /v1/client/search.

wasi_search_properties

List properties (listings) in the Wasi account, with optional filters for sale, rent, transfer, type, location, price and bedrooms. Wasi API: GET /v1/property/search.

wasi_update_client

Update fields of one client. Send only the fields to change. Wasi API: POST /v1/client/update/{id}.

wasi_update_property

Update fields of one property (price, status, agent, description). Send only the fields to change. Wasi API: POST /v1/property/update/{id}.

wasi_update_task

Update fields of one agenda task. The task's assigned date is required to find it. Wasi API: POST /v1/management/update/{id}?date=.

Endpoints

URL	Transport	State	Latency	Checked
https://wasi.usefulapi.io/mcp	streamable-http	answering	465 ms	15 min ago

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Wasi MCP by usefulapi — questions

Answers built from our own checks of this server.

What can Wasi MCP by usefulapi do?

It exposes 19 tools, read directly from the server on our last check. Among them: wasi_create_client, wasi_create_task, wasi_delete_task, wasi_get_client, wasi_get_property, wasi_get_task and 13 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 Wasi MCP by usefulapi working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 272 ms. The bar chart above shows every period we have measured.

How do I connect Wasi 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 Wasi MCP by usefulapi need an API key?

No. Wasi MCP by usefulapi completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 19 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Wasi MCP by usefulapi?

It answers our handshake in 272 ms on average, which is faster than 53% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Wasi 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 wasi.usefulapi.io, which runs on its operator's own terms.