ConstructionOnline MCP by usefulapi MCP Server

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answering

ConstructionOnline MCP by usefulapi is answering right now. Last checked 11 min ago. It exposes 6 tools. Last commit 2 Nov 2026.

Look up individual contacts, projects, opportunities and schedules.

Uptime history 45 hours of history

45 hours agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

185 ms

Response time

average over 24h

Stars

last commit 2 Nov 2026

What changed 1

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 2 November 2026. No other catalogue keeps this.

2 Nov a tool changed version

Nothing serious here today

Today is the operative word: we check ConstructionOnline 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 11 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

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

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

https://constructiononline.usefulapi.io/mcp

~/.codex/config.toml

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

.cursor/mcp.json

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

.vscode/mcp.json

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

Available tools 6

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

constructiononline

constructiononline_get_contact

Read one contact using its known id. Returns selected operational fields. Notes, permissions, attachment data and unrelated personal or payroll fields are omitted. Read-only; requires customer API access.

constructiononline_get_contact_by_email

Read one contact using its known email. Returns selected operational fields. Notes, permissions, attachment data and unrelated personal or payroll fields are omitted. Read-only; requires customer API access.

constructiononline_get_contact_by_phone

Read one contact using its known phone. Returns selected operational fields. Notes, permissions, attachment data and unrelated personal or payroll fields are omitted. Read-only; requires customer API access.

constructiononline_get_opportunity

Read one opportunity using its known id. Returns selected operational fields. Notes, permissions, attachment data and unrelated personal or payroll fields are omitted. Read-only; requires customer API access.

constructiononline_get_project

Read one project using its known id. Returns selected operational fields. Notes, permissions, attachment data and unrelated personal or payroll fields are omitted. Read-only; requires customer API access.

constructiononline_get_schedule

Read one schedule using its known id. Returns selected operational fields. Notes, permissions, attachment data and unrelated personal or payroll fields are omitted. Read-only; requires customer API access.

Endpoints

URL	Transport	State	Latency	Checked
https://constructiononline.usefulapi.io/mcp	streamable-http	answering	74 ms	11 min ago

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ConstructionOnline MCP by usefulapi — questions

Answers built from our own checks of this server.

What can ConstructionOnline MCP by usefulapi do?

It exposes 6 tools, read directly from the server on our last check. Among them: constructiononline_get_contact, constructiononline_get_contact_by_email, constructiononline_get_contact_by_phone, constructiononline_get_opportunity, constructiononline_get_project, constructiononline_get_schedule. 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 ConstructionOnline 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 185 ms. The bar chart above shows every period we have measured.

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

No. ConstructionOnline MCP by usefulapi completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 6 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is ConstructionOnline MCP by usefulapi?

It answers our handshake in 185 ms on average, which is faster than 75% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is ConstructionOnline 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 constructiononline.usefulapi.io, which runs on its operator's own terms.