An agent that can only respond from its model has different capabilities from one connected to external tools. Google’s Add Agent Capabilities With Tools explores that distinction through built-in tools, Model Context Protocol and custom functions.
This free intermediate course is useful when you want to understand how an agent gains access to information or actions beyond a text response. It connects the available tool approaches with instruction design and state integration, helping you plan capabilities around a specific need rather than adding every possible integration.
Course at a glance
| Provider | |
|---|---|
| Platform | Google Skills |
| Level | Intermediate |
| Language | English |
| Estimated study time | 1 hour; official estimate, individual study time varies. |
| Format | Twelve self-paced web modules and five quizzes |
| Access | Free instruction; free Google Skills account required. Product and practical access are separate. |
| Recognition | Course completion badge advertised after required activities; no professional certification or academic credit. |
What you’ll learn
- Explain how tools extend an agent beyond its training data and conversational response.
- Compare built-in tools, Model Context Protocol integrations and custom function tools.
- Connect tool selection with particular business needs and agent instructions.
- Explore strategic tool usage and integration with state.
Skills you’ll gain
- Agent tool concepts
- MCP integration literacy
- Custom-function planning
- Tool-selection reasoning
- State-aware instruction design
Match the capability with an appropriate tool approach
The course pairs a series of development problems with corresponding tool concepts. It begins with agents limited by training data, then introduces tools, built-in capabilities, MCP and custom functions. This gives the sequence a practical organizing principle.
Built-in tools address common capabilities, while the custom-function discussion addresses more specific business needs. MCP appears as another integration approach. The benefit is a clearer comparison between options, not a claim that every integration provides the same behavior or is available without separate access.
The course description mentions activities such as web searching, code execution, database queries and custom actions. These describe potential tool-enabled capabilities. They are not a promise that a course account includes access to every external system or permission to act in it.
Give tool use a clear purpose and context
The final substantive pair examines tools without guidance and strategic instruction design. State integration is also a stated objective. Together, these topics place the tool inside a workflow instead of treating it as an isolated feature.
For optional study preparation, imagine a fictional assistant that retrieves public course details. Describe the information it needs, the purpose of the retrieval and what it should do when the tool does not return the expected information. Keep the example independent of real credentials or private systems.
This is author-created reflection, not a Google assignment or a runnable integration. Its purpose is to make tool selection and instructions easier to discuss. You can work through the ideas without connecting an actual database or paying for a model service.
The current curriculum contains twelve web modules and five required quizzes. Google labels the course Intermediate; earlier agent-configuration familiarity is useful preparation. No new formal admission requirement is added.
Allow more than the one-hour estimate if you need to revisit MCP or function-tool terminology. Completing the reading gives you a conceptual foundation; independently implementing or authorizing a tool connection remains a separate development task.
Free learning and practical access
Google Skills advertises the complete instruction as Free and uses a free learner account. Its current public curriculum lists twelve web modules and five required quizzes, with no separately listed provisioned cloud lab. Independent tool calls, model usage, databases and external services may have their own access conditions and costs. Free instruction does not grant unrestricted external-system permissions. Google advertises a course completion badge after the required activities. It is not a professional certification or academic credit.
Explore more learning options in the free course catalogue.
Frequently asked questions
Are MCP and custom functions covered?
Yes. Both are explicit tool topics in the objectives and web-module sequence, alongside built-in tools and strategic instruction design.
Do I need to connect a real database to study the course?
The public learning route lists web modules and quizzes rather than a provisioned lab. Accessing the free instruction is separate from independently configuring or authorizing a live tool connection.
Does adding tools guarantee correct actions?
No. The course explains capability and configuration concepts. Tool access and agent instructions do not guarantee that an independently implemented agent will always choose or perform the right action.
Questions & discussion
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