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How to integrate Microsoft Advertising MCP with Hermes

Connect Hermes to Microsoft Advertising MCP. List active campaigns with their current budgets, run a performance report for last month, and more using natural language, with authentication handled for you.

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Microsoft Advertising is Microsoft's platform for managing search advertising campaigns across Bing and partner sites. It provides campaign controls, audience targeting, bidding, and performance reporting in one place.

14 Tools

Introduction

Hermes is a 24/7 autonomous agent that lives on your computer or server — it remembers what it learns and evolves as your usage grows.

This guide explains the easiest and most robust way to connect your Microsoft Advertising account to Hermes. You can do this through either Composio Connect CLI or Composio Connect MCP. For personal use we recommend the CLI, but you won't go wrong with MCP either.

Also integrate Microsoft Advertising with

ChatGPTClaude CoworkAtomic Agent

What is Composio Connect?

Composio Connect is a consumer offering that lets anyone plug 1,500+ applications directly into their agent harness — including Hermes. It can:

  • Search and load tools from relevant toolkits on-demand, reducing context usage.
  • Chain multiple tools to accomplish complex workflows via a remote workbench, without excessive back-and-forth with the LLM.
  • Manage app authentication end-to-end with zero manual overhead.

Integrating Microsoft Advertising with Hermes

Using Composio Connect CLI

1. Install the Composio CLI

Run the install script directly, or paste https://composio.dev/hermes into your Hermes chat box to have it installed for you.

bash
curl -fsSL https://composio.dev/install | bash
Hermes authenticating with Composio

2. Authenticate

Once the CLI is installed, ask Hermes to authenticate with Composio.

3. Connect to Microsoft Advertising

Ask your agent to connect to Microsoft Advertising, or simply request any Microsoft Advertising-related task. Hermes will prompt you to authenticate and authorize access.

4. Done. You're all set with a new Microsoft Advertising connection.

Using Composio Connect MCP

1. Get your MCP URL and API Key

Go to dashboard.composio.dev and copy your Connect MCP URL and API key.

Copy MCP URL and API key from Composio dashboard

2. Open the Hermes config file

bash
nano ~/.hermes/config.yaml

3. Add the Composio Connect MCP server

bash
mcp_servers:
  composio:
    url: "https://connect.composio.dev/mcp"
    headers:
      x-consumer-api-key: "YOUR_COMPOSIO_API_KEY"
    connect_timeout: 60
    timeout: 180

Save with Ctrl + O, Enter, then exit with Ctrl + X.

4. Restart your Hermes agent

Once restarted, ask your agent to connect to Microsoft Advertising or request any Microsoft Advertising-related task. It will prompt you to authenticate and authorize access.

5. Done!

What is the Microsoft Advertising MCP server, and what's possible with it?

The Microsoft Advertising MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Microsoft Advertising account. It provides structured and secure access to your customers, advertiser accounts, campaigns, ad groups, and performance reports, so your agent can find accounts, create campaigns and ad groups, update or activate advertising assets, and request performance reports on your behalf.

  • Account and customer discovery: Have your agent list accessible customers and advertiser accounts, then identify the accounts available for campaign work.
  • Campaign management: Instruct your agent to list, create, update, activate, or delete search campaigns in a Microsoft Advertising account.
  • Ad group management: Let the agent list, create, update, activate, or delete search ad groups within a campaign.
  • Performance reporting: Direct your agent to request an account performance report and check an existing report request.
  • Advertising user access: Have your agent retrieve the connected Microsoft Advertising user and review accessible customer and account roles.

Way Forward

With Microsoft Advertising connected, Hermes can now act on your behalf whenever it detects a relevant task or you ask it to.

From here, you can extend Hermes further:

  • Connect more apps: Calendar, Slack, Notion, Linear, and hundreds of others are available through the same Composio Connect setup. Each new integration compounds what Hermes can do for you.
  • Build workflows across tools: Once multiple apps are connected, Hermes can chain actions together — turn an email into a calendar invite, a Slack message into a Linear ticket, or a meeting note into a follow-up draft.
  • Let it learn your patterns: The more you use Hermes, the better it gets at anticipating how you'd handle recurring tasks. Give it feedback on drafts and decisions, and it will adapt.

If you run into trouble or want to share what you've built, join the community or check out the Docs for deeper configuration options.

TOOLS

Supported Tools

Every Microsoft Advertising action and event your agent gets out of the box.

Activate Ad Groups

Activate up to 1,000 ad groups in a Microsoft Advertising campaign.

Activate Campaigns

Activate 1 to 100 Microsoft Advertising campaigns.

Create Search Ad Groups

Create up to 1,000 Search ad groups under a Microsoft Advertising campaign.

Create Search Campaigns

Create up to 100 Search campaigns with unshared budgets in a Microsoft Advertising account.

Delete Ad Groups

Permanently delete 1 to 1,000 ad groups from a Microsoft Advertising campaign.

Delete Campaigns

Permanently delete 1 to 100 campaigns from a Microsoft Advertising account.

Generate Account Performance Report

Submit an account-performance report without polling, or check an existing report_request_id once.

Get Current Advertising User

Return the connected Microsoft Advertising user and their customer/account roles; optionally look up another accessible user by ID.

List Advertiser Accounts

Return advertiser accounts accessible under a customer, including lifecycle and pause state needed before campaign work.

List Ad Groups

Return ad groups in a Microsoft Advertising campaign.

List Campaigns

Return campaigns in a Microsoft Advertising account.

List Accessible Customers

Return Microsoft Advertising customers accessible to the connected user, optionally filtered by a case-insensitive name prefix.

Update Ad Groups

Partially update up to 1,000 ad groups in a Microsoft Advertising campaign.

Update Campaigns

Partially update up to 100 campaigns in a Microsoft Advertising account.

FRAMEWORKS

How to build Microsoft Advertising MCP Agent with another framework

ChatGPT logo

ChatGPT

Use Microsoft Advertising MCP with ChatGPT

Claude Cowork logo

Claude Cowork

Use Microsoft Advertising MCP with Claude Cowork

Atomic Agent logo

Atomic Agent

Use Microsoft Advertising MCP with Atomic Agent

FAQ

Frequently asked questions

With a standalone Microsoft Advertising MCP server, the agents and LLMs can only access a fixed set of Microsoft Advertising tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Microsoft Advertising and many other apps based on the task at hand, all through a single MCP endpoint.

Yes, you can. Hermes fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Microsoft Advertising tools.

Yes, absolutely. You can configure which Microsoft Advertising scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Microsoft Advertising data and credentials are handled as safely as possible.

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