This is how to start an experiment in Microsoft Ads with AI: connect your Microsoft Ads account to PaidSync.ai, then ask Claude to start an experiment on a campaign with a traffic split, after showing how much budget moves. An experiment takes live traffic and money from a live campaign, so it needs your explicit confirmation.
An experiment copies a campaign and gives the copy a share of traffic. Check the existing ones first:
list_ms_experiments lists experiments with status, base campaign, traffic split and dates.create_ms_experiment starts an experiment that copies the base campaign and gives it a share of its budget and traffic. It needs explicit confirmation.end_ms_experiment ends an experiment early. It cannot be restarted and needs explicit confirmation.list_ms_experiments only reads your account. create_ms_experiment and end_ms_experiment change it. Claude calls these to start an experiment.
| Tool | What it does |
|---|---|
| list_ms_experiments | Shows existing experiments |
| create_ms_experiment | Starts the experiment after you confirm |
| end_ms_experiment | Ends the experiment |
The preview states what share of the base campaign's daily budget moves. Change one thing in the experiment so you can read the result. Ending an experiment cannot be undone.
These steps use Claude to start an experiment in Microsoft Ads. In the ChatGPT app PaidSync.ai is report-only for Microsoft Ads, so the change itself runs in Claude or another MCP client.
Start at paidsync.ai, then link Microsoft Ads through Microsoft's own sign-in screen. Use a Microsoft login that can reach the account where you plan to start an experiment.
Open Claude's connector directory, add PaidSync.ai and sign in. Ask "list my Microsoft Ads accounts", then pick the account where you will start an experiment.
List the experiments on the base campaign.
Choose the base campaign, a name, the traffic split and the start date.
Read the budget and traffic shift in the dry run, then confirm.
List the experiment again and watch its status move from creating to active.
Use these two prompts to start an experiment in Microsoft Ads, in this order.
list_ms_experiments only reads your account, so the lookup before you start an experiment changes nothing.create_ms_experiment and end_ms_experiment run as a preview by default, so you see the change before it is applied when you start an experiment.create_ms_experiment and end_ms_experiment need your explicit confirmation, and that applies when you start an experiment.create_ms_experiment and end_ms_experiment run to start an experiment.create_ms_experiment and end_ms_experiment run in Claude or another MCP client when you start an experiment. Tokens are encrypted at rest.Every Microsoft Ads tool PaidSync.ai offers is on the Microsoft Ads (Bing Ads) MCP Server page, including the tools used to start an experiment.
In Microsoft Advertising you create an experiment from the campaign. With PaidSync.ai, describe it to Claude and review the budget shift.
No. Once an experiment is ended it cannot be restarted.
Not to start an experiment itself. In the ChatGPT app PaidSync.ai reads and reports on Microsoft Ads but is report-only, so run the change in Claude or another MCP client. ChatGPT can still read the account first.
A connected Microsoft Ads account and a live campaign of a supported type.
PaidSync.ai is free for 15 tasks a month with no card, enough to start an experiment in Microsoft Ads and see the result. Pro starts at $99 a month. See pricing.
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