Connect Claude Code to Google Ads with LoomaScale
Connect Claude Code to Google Ads by installing the LoomaScale plugin with two commands and signing in once in your browser. Claude Code can then audit campaigns, keywords and search terms from your terminal, and make the changes you ask for inside your spend cap. No Google Ads developer token, API key or config file is needed.
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Connection overview
- Connect Google Ads in LoomaScale and set a daily spend cap.
- In Claude Code, run /plugin marketplace add loomascale/agent-plugin.
- Run /plugin install loomascale@loomascale.
- Run /mcp, select loomascale and sign in to LoomaScale in your browser.
- Check the account with a read-only prompt, then run a waste audit.
What you need before you start
- Claude Code with plugin support. If /plugin is not recognized, run claude update first.
- A LoomaScale account with Google Ads connected and a daily spend cap configured.
- Google Ads customer-account access, directly or through a manager account (MCC).
First, connect your Google Ads customer account in LoomaScale
Open Connections in LoomaScale, connect Google Ads, and authorize your Google login. Select the default customer account and set its daily spend cap. With an MCC, choose a client account: manager accounts do not hold campaigns. Note the customer ID.
Open LoomaScale connectionsConnect Claude Code, step by step
Add the LoomaScale plugin marketplace
Start Claude Code and run the command below. It registers LoomaScale’s public plugin repository on GitHub as a marketplace, so Claude Code can find the plugin. Nothing is installed yet.
/plugin marketplace add loomascale/agent-plugin
Install the plugin
Run the install command. Claude Code adds the LoomaScale MCP server and its skills for waste audits, performance reviews, budget pacing, campaign launches, conversion tracking audits and scheduled checks. If the tools do not appear, run /reload-plugins or start a new session.
/plugin install loomascale@loomascale
Sign in to LoomaScale
Run /mcp, select loomascale and choose Authenticate. Your browser opens LoomaScale’s consent screen: sign in with the account that holds your Google Ads connection and choose Allow. The screen names localhost as the destination because Claude Code receives the sign-in on your own computer. You never paste a password or API key into Claude Code.
/mcp
Check your Google Ads account
Send the read-only test prompt below. Claude Code calls LoomaScale and returns your customer IDs, currencies and campaigns. With more than one account, name the one you mean in each request.
Use LoomaScale to list my Google Ads customer accounts with their IDs and currencies, then list the campaigns and statuses in my default account. Read only: do not change anything.
Run a waste audit
Ask for a waste audit. Claude Code loads the plugin’s waste-audit skill, reads spend, keywords and search terms, and ranks findings by money lost. It changes nothing unless you ask. Verify the account, dates, currency and conversion tracking before acting on the findings.
Analyze my active Google Ads campaigns for wasted spend
A real Google Ads waste audit in Claude Code through LoomaScale. Results depend on your account and data.
Add the MCP server without the plugin
Prefer to manage MCP servers yourself? Run this command in your shell instead of steps 1 and 2, then sign in through /mcp as in step 3. You get the LoomaScale tools without the plugin’s skills.
claude mcp add --transport http loomascale https://api.loomascale.com/mcp
What Claude Code can do with your connected account
Review campaign performance
Compare campaign spend, conversions and cost per conversion. Specify the customer account and date range for a focused report.
Investigate keywords and search terms
Find queries that spent without converting and propose negative keywords. Separate bid keywords from the searches that triggered ads.
Work across MCC client accounts
Analyze connected client accounts under a Google Ads manager account. Identify the customer account in each request.
Prepare and apply requested changes
With write permissions, request campaign drafts or budget adjustments. New campaigns start paused; spending changes must fit your daily cap.
Three read-only prompts to try next
Find spend without conversions
Analyze my default Google Ads account for the last 30 days. Rank campaigns by spend with zero conversions, show the numbers, and recommend what to investigate. Do not change anything.
Review search term quality
Review search terms for the last 30 days. Group irrelevant queries by intent and propose negative keywords with match types. Explain your reasoning; do not apply them.
Explain a performance change
Compare the last 7 complete days with the previous 7. Show spend, conversions and cost per conversion by campaign in my default Google Ads account. Explain the largest changes. Read only.
If the connection does not work
/plugin is not recognized.
Update Claude Code with claude update, restart it, and run the marketplace command again. Plugins need a recent Claude Code version.
The marketplace or install command fails.
Check the exact names: the marketplace is loomascale/agent-plugin and the plugin is loomascale@loomascale. Make sure your network can reach github.com.
loomascale shows as failed or needing authentication in /mcp.
Select it in /mcp and choose Authenticate again. If the browser shows a connection error after you choose Allow, copy the full address from the address bar and paste it into Claude Code.
Claude Code cannot find my Google Ads account.
Confirm Google Ads is connected under the LoomaScale login authorized in Claude Code. Check Google permissions; for MCC access, select the client account and retry with its customer ID.
The report is empty or shows the wrong client.
Compare the customer ID with your intended account. Change the default or name the account explicitly. Check the dates: the account may have no activity in that period.
Frequently asked questions
How does Claude Code connect to Google Ads?
The LoomaScale plugin adds LoomaScale’s remote MCP server to Claude Code. After you sign in with OAuth, Claude Code calls its tools to read your connected Google Ads accounts or make supported changes, within the permissions and daily spend cap you set in LoomaScale.
How is this different from the Claude connector?
The Claude connector works in Claude on the web and in the desktop and mobile apps. The Claude Code plugin works in your terminal and adds skills for audits, pacing and launches. Both use the same LoomaScale account and ad connections.
Can I add the MCP server without the plugin?
Yes. Run claude mcp add --transport http loomascale https://api.loomascale.com/mcp, then sign in through /mcp. You get the tools without the plugin’s skills.
Do I need a Google Ads API token or code?
No. LoomaScale hosts the connection and uses your Google authorization. There is no developer token, self-hosted server or config file.
Is connecting Claude Code to Google Ads free?
LoomaScale offers a 14-day free trial without a card. Claude Code needs its own Claude plan or API billing. Google bills your advertising spend separately.
Can Claude Code change campaigns or budgets?
Yes, when you ask. Claude Code shows each change and waits for your confirmation, then LoomaScale checks it against your daily spend cap. New campaigns start paused. Use read-only prompts for analysis.
Related guides
Start with your own campaign data
Connect your ad account, install the LoomaScale plugin in Claude Code, and run a waste audit. Try LoomaScale free for 14 days; no card required.
Connect an ad accountConnect your assistant to your ad platform
LoomaScale runs inside the assistant you already use. Pick the pair you work with; each guide takes about five minutes.
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