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GoMarble MCP

MCP for Microsoft Ads (Bing)

GoMarble MCP connects AI assistants to Microsoft Advertising, letting them read accounts, campaigns, ad groups, ads, keywords, budgets, performance and change history, and research keyword ideas, using natural language.

Read-only — and genuinely useful precisely because Microsoft Ads is the channel nobody checks as often as they should.

Pranshu in ↗

Growth, GoMarble · Updated 2026-10-09 · 8 min read

Get Started with GoMarble MCP View MCP Documentation →

What is MCP for Microsoft Ads?

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How to connect Microsoft Ads to GoMarble MCP

Connect Microsoft Ads once in GoMarble, then point any supported AI client at the MCP server.

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Connecting to Claude

The current steps, from the GoMarble MCP page:

  1. Open Settings, then Connectors.
  2. Choose Add custom connector.
  3. Enter https://apps.gomarble.ai/mcp-api/sse, then select Authorize.
  4. Choose the GoMarble workspace and accounts Claude can use.

Authorization uses GoMarble’s consent and workspace permissions, completed in the browser window your client opens.

Other supported clients

GoMarble MCP is a remote MCP server at https://apps.gomarble.ai/mcp-api/sse, currently supported in Claude, ChatGPT, Cursor, n8n, Hermes and OpenClaw, plus other clients that support compatible remote or local MCP servers. Setup differs slightly per client, so follow the canonical instructions rather than adapting the Claude steps.

View the complete GoMarble MCP setup guide →

What the free plan includes

  • Up to $50,000 in cumulative ad spend
  • One account per data source
  • No edit actions — read and analysis only

What can you do with GoMarble MCP for Microsoft Ads?

Grouped by the job rather than by the tool that does it.

Analyze

  • Read performance across accounts, campaigns, ad groups, ads and keywords
  • Compare periods and identify what moved
  • Review budgets against actual delivery

Investigate

  • Read the change history to see what was edited and when
  • Inspect keyword lists and live ad copy
  • Research keyword ideas for expansion

Act

  • Not supported — Microsoft Ads is read-only on this connection

GoMarble MCP capabilities for Microsoft Ads

CapabilityWhat GoMarble MCP can do
PerformanceRead performance at account, campaign, ad group, ad and keyword level
StructureCampaigns, ad groups, ads and keywords, with status
BudgetsRead budgets and compare them against actual delivery
Change historySee what changed in the account and when — usually the fastest route to a cause
Keyword researchPull keyword ideas for expansion
ExecutionNot available — Microsoft Ads exposes no write tools on this connection

What data can GoMarble MCP access?

The data available for Microsoft Ads, grouped by type.

Account data

Accounts · Change history

Structure

Campaigns · Ad groups · Ads · Keywords

Budget

Budgets

Reporting

Performance data

Research

Keyword ideas

GoMarble MCP workflows for Microsoft Ads

Jobs marketers actually want done, rather than features. Each one is a single natural-language request.

Check the channel nobody checks

“How is Microsoft Ads performing this month?”

What GoMarble MCP does: Pulls account and campaign performance and summarises it — for most teams, the first proper look in weeks.

What you get:

Compare against Google

“How does Microsoft Ads CPA compare to Google this month?”

What GoMarble MCP does: Pulls both from the same connection and compares like for like, flagging where volume is too low to read.

What you get:

Find wasted keyword spend

“Which Microsoft keywords are spending with no conversions?”

What GoMarble MCP does: Reads keyword-level performance and lists spend without return.

What you get:

Review budget pacing

“Are any Microsoft campaigns capped by budget?”

What GoMarble MCP does: Compares budgets against delivery and flags campaigns constrained by money rather than demand.

What you get:

Explain a change

“What changed in the Microsoft account over the last month?”

What GoMarble MCP does: Reads the change history and lines edits up against the dates performance moved.

What you get:

Find expansion terms

“What keyword ideas should I consider for this ad group?”

What GoMarble MCP does: Pulls keyword ideas and filters them against what is already running.

What you get:

Audit ad copy

“Show me the ads running in my top-spending ad groups”

What GoMarble MCP does: Lists live ads, so you see what is actually running rather than what you remember approving.

What you get:

Example GoMarble MCP prompts for Microsoft Ads

Things real marketers ask, grouped by intent. Paste any of them once connected.

Performance

  • “How did Microsoft Ads perform last month?”
  • “Which campaigns spent the most this quarter?”
  • “Show me CPA by campaign”
  • “What is my Microsoft Ads conversion rate?”
  • “Which ad groups are underperforming?”

Keywords

  • “Which keywords have spend but no conversions?”
  • “Show me my top converting keywords”
  • “What keyword ideas exist for this ad group?”
  • “Which keywords are paused?”

Budget and structure

  • “Are any campaigns limited by budget?”
  • “List my Microsoft Ads accounts”
  • “Show me ad groups by spend”
  • “What ads are running in this ad group?”

Cross-channel

  • “Compare Microsoft and Google CPA this month”
  • “What share of search spend is Microsoft?”
  • “Should I shift budget between Google and Microsoft?”

Why use GoMarble MCP for Microsoft Ads?

An API gives AI access to data. GoMarble MCP gives it the marketing context and workflows needed to work with that data.

GoMarble MCP for cross-platform marketing analysis

Marketers rarely decide anything from one platform. GoMarble MCP can give AI a view of the wider marketing system rather than forcing it to reason from one disconnected source at a time.

CombinationWhat becomes answerable

How does GoMarble MCP work?

StepWhat happens
1You ask a question in natural language
2The AI client works out what information it needs
3GoMarble MCP retrieves the relevant marketing data and tools
4GoMarble supplies the marketing context around it
5The AI analyses the result
6You get an answer, a recommendation, a report — or a proposed action

Write access is plan-dependent. On the read-only plan you can connect a client and analyse supported accounts without making changes. Where write access is enabled, changes are proposed rather than applied directly — every write tool in the server is a propose call, and consequential actions route through the permissions and approval gates configured for your workspace.

Who is GoMarble MCP for?

Search marketers

Keep Microsoft in the weekly review without it costing a separate export.

Agencies

Report on Microsoft alongside Google without a second tool or a second login.

In-house PPC leads

Spot wasted keyword spend on a channel that rarely gets a dedicated session.

GoMarble MCP vs traditional Microsoft Ads workflows

Traditional workflowWith GoMarble MCP

Frequently asked questions

What is MCP for Microsoft Ads?
It means connecting an AI client such as Claude or ChatGPT to your Microsoft Advertising data through the Model Context Protocol, so the assistant can read campaigns, ad groups, ads, keywords, budgets, performance and change history directly. GoMarble hosts the server.
Is it Bing Ads or Microsoft Ads?
Same platform — Microsoft renamed Bing Ads to Microsoft Advertising. People still search for both, so both names appear here, and the connection is the same either way.
Can it make changes to my campaigns?
No. Microsoft Ads is read-only on this connection — there are no write tools, so nothing can be paused, edited or launched through it. Write access currently exists for Meta, Google and TikTok.
Can it do keyword research?
Yes, it can pull keyword ideas, which is useful for expansion against what is already running. It is research rather than implementation — adding the keywords still happens in the platform.
Which AI clients work with it?
Claude, ChatGPT, Cursor, n8n, Hermes and OpenClaw. The same server URL works for all of them.
What does the free plan allow?
Read and analysis only, one account per data source, and a cap of $50,000 in cumulative ad spend. Since Microsoft Ads is read-only here anyway, the free plan covers the full experience for this channel.
Why connect Microsoft Ads at all?
Because it is usually the channel nobody checks. It rarely justifies its own tool or its own weekly session, so waste accumulates quietly. Having it answerable in the same place as Google is what gets it looked at.
Do I need a Microsoft developer app?
No. App registration and token handling sit on our side. You connect the account in GoMarble and point your AI client at the server.

Why GoMarble MCP?

The work you stop doing:

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Connect your marketing stack once. Give AI the context it needs. Ask in plain English, and let it analyse, explain, recommend and — where enabled — propose the change.

Your Microsoft Ads data is already there. Now give AI access to it.

Connect GoMarble MCP to your marketing stack and start analysing Microsoft Ads from the AI tool you already use.