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BusinessOS

One workspace for a small service business, run by an agent that asks before it acts.

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Nexus Data & AI Limited. Registered in England and Wales, company number 17066175.
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  2. MCP

Use Claude or ChatGPT on your own business.

Point Claude or ChatGPT at your BusinessOS workspace and it answers from your real contacts, email, tasks and proposals, instead of asking you to paste them in.

Start free trial How to connect

14 days free. No card needed.

One address. Exactly your access.

BusinessOS speaks MCP, the open standard assistants use to work with outside tools. Add one address and your assistant can read and manage your work, acting as you.

ClaudeChatGPTAny MCP assistant
Server URLhttps://mcp.runbusinessos.com/mcp

It can

  • Search email and the calendar
  • Create and update tasks
  • Draft emails for you to send

It cannot

  • Send email
  • Invite people to meetings
  • Reach billing or team settings

One organisation per connection. Manage it in Settings, Connections.

Ask about your own business.

The assistant searches your contacts, companies, email threads, calendar, tasks, proposals and files, and answers from what is actually there.

  • Draft a reply on a thread, for you to send.
  • Add and update tasks, or have the board triaged.
  • Summarise a long email chain.
  • The work lands in BusinessOS, where your team can see it.
  • Who owes me a reply?
  • What did we agree with Harbour and Vine?
  • Which proposals are still open?
  • Add a task to send Meridian the revised scope on Thursday.

Connecting takes a minute.

Nothing to install and nothing to host. You add one address and sign in the way you always do.

Step by step instructions are in the docs.

  1. Open your assistant’s connectors

    In Claude and ChatGPT this is a Connectors panel in settings.

  2. Add the BusinessOS address

    https://mcp.runbusinessos.com/mcp, the same for every workspace.

  3. Sign in to BusinessOS

    You are sent to BusinessOS to sign in, so your assistant never sees your password.

  4. Choose the organisation, and approve

    The connection only ever reaches the one you pick. Review what the assistant is asking to do, then approve.

What it deliberately cannot do.

A connected assistant can read and manage your work. Anything that leaves your business stays a decision you make in BusinessOS.

  • It cannot send emailNor reply to a thread. It can draft one and leave it for you to send.
  • It cannot invite people to meetingsAn invitation would go out from your real calendar, so that stays with you.
  • It cannot reach billing or team settingsPlans, payment and who is on your team are yours alone.
  • One organisation, exactly your accessIt sees what your own account sees, in the organisation you connected. Disconnect it in Settings, Connections.

Connecting an assistant

What is MCP?

MCP, the Model Context Protocol, is an open standard for letting an AI assistant work with an outside tool. You do not need to understand it to use it. In practice it means Claude and ChatGPT can be pointed at your BusinessOS workspace and answer questions about your own business rather than the internet in general.

Which assistants can I connect?

Claude and ChatGPT both support MCP connectors, and so do a growing number of other tools. Anything MCP-capable can connect to the same address.

Do I need a developer to set this up?

No. You add one address in your assistant’s connector settings and sign in to BusinessOS the same way you always do. There is nothing to install, host or write.

Can it see everything in my business?

It sees exactly what you see, and nothing else. The connection acts as you, so anything your own account cannot open stays closed to it. It also reaches one organisation at a time: if you belong to several, you connect each one separately.

Can it email a client without me knowing?

No. It can draft an email and leave it waiting for you, but sending is not something the connection can do. Nor can it reply to a thread, invite anyone to a meeting, or reach your billing and team settings. Anything that leaves your business stays a decision you make in BusinessOS.

How do I disconnect it?

In Settings, Connections, at any time. Disconnecting takes effect immediately, on the assistant’s very next request.

Related

  • Docs How to connect an inbox and get the agent working.
  • Features Every capability in detail, with screenshots.
  • Roadmap What is shipped, in progress and planned.

Hand Bos the admin. Keep the decisions.

Free for 14 days. No card needed.

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