Marketing
- “What did we spend on each platform last week, and what did each return?”
- “Which campaigns have a cost per conversion above target?”
Meta · Google · Microsoft · Taboola
Example question
What did we spend on Meta and Google last week?
One connector · Claude · ChatGPT · Gemini · Copilot
Your business data is in ten systems. Ask all of them one question.
Junction connects your accounting, ERP, project and ad platforms to the AI your team already uses. Fast, hands-off and self-serve: connect in minutes (about an hour for on-premise systems), with no implementation, no consultant and no AI bill from us. It reads your numbers and can never change them.
MCP gateway
Never writes
It cannot edit, pause, spend or post. It only reads.
Roles and permissions
Each person sees only the systems, data and rows an admin allows.
Source on every answer
Each figure shows where it came from and when it was read.
Audit log
Who asked what, and whether it worked. Never the values.
Fast
Cloud systems and ad platforms connect in about five minutes. On-premise systems take about an hour.
Hands-off
No consultant, no implementation project, no report to wait for. We do not need to be in the room.
Self-serve
Create an account, connect, add Junction to your AI tool and ask. Want a hand? Book time with us.
Book a 20-minute walkthroughif you would like company on the first connection.
See it work
From a question to an answer, across your systems.
“What did we spend on each platform last week, and what did each return?”
See Junction answer a question like this, live, on your kind of systems.
Book a 20-minute walkthrough01 · What you can ask
One question, answered from your own systems.
Plain English in, figures out, with the source and the time each was read. Examples of what teams ask:
Finance
- “Which vendors have invoices unpaid for more than 45 days?”
- “Show committed cost against budget on every job.”
Vista · Sage · Foundation · QuickBooks
Operations
- “Which jobs are over budget on labor this month?”
- “Which issues on my projects are overdue?”
Autodesk Build · CMiC · e-Builder
02 · Where it works
Choose your industry.
Each industry has its own systems, wording and questions. The connector and the safeguards are the same.
Construction
Accounting and job cost, project management, estimating, field, property and CRM, including older on-premise systems.
e.g. Vista · Sage 300 CRE · CMiC · Autodesk Build · QuickBooks Desktop
Marketing and advertising
Paid media and analytics platforms. One connector across all of them, instead of a separate MCP server for each, with access that can only read.
e.g. Meta Ads · Google Ads · Microsoft Advertising · Taboola
Another industry, or a system that is not listed? Tell us what you run.
03 · How it works
How Junction connects your systems to your AI tool.
- 01
Connect your systems
Sign in to each platform, or install the small agent for older on-premise systems. About five minutes for cloud systems, about an hour for on-premise ones. No consultant, no implementation project.
- 02
Add Junction to your AI tool
Add one connector address to Claude, ChatGPT, Gemini or Copilot and sign in. No new app to learn.
- 03
Ask in plain English
Get answers from your own systems, with the source and the time each figure was read.
04 · What it replaces
Premium results, a small invoice.
The usual ways to get one answer from many systems cost weeks and people. Junction costs minutes, from $149 a month, with a 14-day free trial and a 30-day money-back guarantee. Agency? See agency plans.
- Instead of a BI project
- No months of modelling and no dashboard that answers last quarter's questions. Ask the new question today.
- Instead of weekly exports
- The hours an analyst or controller spends stitching spreadsheets together go back to analysis.
- Instead of one MCP server per vendor
- One sign-in, one set of permissions and one audit log for every system you run.
- No AI bill from us
- You keep using the Claude, ChatGPT, Gemini or Copilot subscription you already pay for.
05 · Why Junction
Built to look, never to touch.
Plenty of tools will connect an AI assistant to your data. Few are built for the questions your finance, IT and security teams ask first.
- It only reads
- No edits, no paused campaigns, no budget changes, no posts. Junction never writes to your systems.
- Each person sees what you decide
- Administrators set roles and permissions: which systems, which data, even which jobs or accounts each person can reach. Access can only be narrowed, never widened.
- Every answer shows its source
- Each figure comes with the system it was read from and the time it was read, so you can trust it and check it.
- One connector, not one per platform
- A single address and sign-in for every system, so one question can span several of them, including systems that have no MCP server of their own.
- Older systems, no open ports
- A small agent on your own server connects outward, so on-premise systems need no inbound firewall rules.
- A record of every question
- The audit log shows who asked what and whether it worked, never the values.
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06 · Self-hosted · Early access
Need everything to stay inside your own network? Run Junction yourself.
Most teams use Junction as a hosted service: we run the connector, and each person adds one address to their AI tool. Some teams cannot let connections to their systems run anywhere else: a finance team under a strict data policy, a contractor whose ERP sits behind a locked-down firewall, a company with data-residency rules.
For them we are opening a self-hosted version in early access. The whole connector runs on your own servers, so your connections, credentials and audit log stay with you. Only the answer goes to the AI tool you chose.
On your servers
The connector, its database and its sign-in run where you decide. Systems that are only reachable from inside your network stay that way.
The same safeguards
It only reads. Per-person access and the audit log work exactly as in the hosted service.
Set up with you
Early access means a small group, installed alongside our team. Tell us your environment and we will tell you honestly whether it fits.
07 · Questions
Frequently asked questions
What is Junction?
Junction is an MCP connector layer. It lets Claude, ChatGPT, Gemini or Copilot answer questions from systems that have an API or an SDK but no MCP server of their own. You add one address to your AI tool, sign in, and ask in plain English. Junction fetches only the data needed to answer, from your own accounts, and cannot change anything. It covers construction accounting and project systems, and advertising and marketing platforms.
How long does it take to set up?
It is self-serve and hands-off. Cloud systems and ad platforms connect in about five minutes; on-premise systems take about an hour, because you install a small agent on your own server. There is no implementation project, no consultant and no custom report to wait for. Book time with us if you want help.
What is an MCP server?
An MCP server is a program that lets an AI assistant such as Claude, ChatGPT, Gemini or Copilot use an outside system through the Model Context Protocol (MCP), an open standard for connecting AI tools to data and actions. Without one, the assistant cannot see your ad account, your accounting system or your project software.
Why use Junction if a vendor already has an MCP server?
If a vendor ships its own MCP server for a system, that is a good way to talk to that one system. Junction is for the many systems that do not have one, and for questions that cross several systems at once, such as comparing spend across ad platforms. Both can be used side by side.
Can it change my data or spend my budget?
No. Junction only reads. Nothing in it can create, edit or delete a record, change a campaign or move a budget. What each person can see is controlled by roles and permissions that you set, and we also ask you to connect with credentials that have read access only, as a second safeguard.
Do you run the AI model, and does it cost extra?
We do not run any AI model. You use your own Claude, ChatGPT, Gemini or Copilot subscription, and any usage is billed by them. Junction only supplies the data when the assistant asks for it.
Which kinds of systems can it connect to?
Construction software (built for 200+ systems) and advertising and marketing platforms such as Meta Ads, Google Ads, Microsoft Advertising and Taboola. Each industry has its own page.
Which AI tools does it work with?
Claude, ChatGPT, Gemini and Microsoft Copilot, through their custom-connector feature (ChatGPT requires a plan with developer mode enabled by a workspace admin).
My system is not listed. Can you add it?
Tell us what you run. Most systems with a database, an API or reports can be connected, and we add them in the order people ask for them. Use the form on this page and name the system.
How much does it cost?
Plans start at $149 a month, priced by the number of systems you connect and the people who use them. There is no AI charge and no per-question meter. See the pricing page for every plan.
08 · Get started
Start on your own today, or book time with us.
Prefer a note? Tell us who you are and what you run, or ask for a system that is not listed. We reply within one business day.