Skills for ADK agents
A Skill packages instructions, reference files and scripts for one task, and the agent loads it only when it needs it. Watch a skill load in three layers, and see a question that loads nothing at all.
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In this module: Tools
- Function tools Plain functions, docstrings and tool schemas. Pro
- Tool performance and limits What slows tools down, and the hard limits. Pro
- Tool authentication OAuth, API keys and service accounts. Pro
- Action confirmations Asking a human before a risky call. Pro
- OpenAPI tools A whole REST API as tools, from one spec. Pro
- MCP tools Model Context Protocol servers as toolsets. Pro
- Your agent as an MCP server Exposing ADK agents to other MCP clients. Pro
- Gemini built-in tools Google Search, code execution and computer use. Pro
- Google Cloud tools BigQuery, Spanner, Bigtable, Pub/Sub, Application Integration, API Hub. Pro
- Skills for ADK agents Packaged know-how an agent can load. Pro
- The integrations ecosystem Third-party MCP tools, plugins and runners. Pro