Master Agentic AI with Google ADK - Master Tool Execution Callbacks in Google Cloud ADK | Before & After Tool Hooks

Check out the full Udemy course (with complete source code) available now at a discounted price. https://www.udemy.com/course/agentic-ai-with-google-adk-mcp-servers/?referralCode=1D4127421535C3024964 In this video, we dive deep into Tool Execution Callbacks in the Google Cloud Agent Development Kit (ADK) — how you can intercept and control tool invocations within an agent workflow. You’ll learn: What “before_tool_callback” and “after_tool_callback” hooks do in ADK. Why these hooks are so powerful: for logging, validation, mocking tool results or enforcing guardrails. A step-by-step example showing how to implement a before-tool hook to validate input and an after-tool hook to manipulate or sanitize results. Best practices and real-world patterns when using tool callbacks in agentic systems built with ADK. Whether you’re building a sophisticated multi-agent system or just want full control over tool use in your agent workflows, this tutorial will give you the tools to hook into every stage of tool execution. Don’t forget to like, subscribe and hit the bell for more deep dives into Google Cloud AI agents, ADK, and enterprise-grade agent architectures. Playlists Google Agent Development Kit (ADK) https://www.youtube.com/playlist?list=PLLrA_pU9-Gz2HwepRUVpq1TEPuYWo_fSi Learn Airflow https://www.youtube.com/playlist?list=PLLrA_pU9-Gz3i8qw6yakrfJzx75W_vVaH Learn Google Cloud in https://youtube.com/playlist?list=PLLrA_pU9-Gz2OnBoICkewd9-Fc9Mi0nm7&si=8kkB3ct5wDHCMkoi Google Cloud Data Engineer https://www.youtube.com/playlist?list=PLLrA_pU9-Gz18_NlZrVA8GVR39FUo-Fnk Data Engineering Hands-on Projects https://www.youtube.com/playlist?list=PLLrA_pU9-Gz2DaQDcY5g9aYczmipBQ_Ek Looking to get in touch? Drop me a line at [email protected] Linkedin https://www.linkedin.com/in/vishal-bulbule/ Medium Blog https://medium.com/@VishalBulbule Github Source Code https://github.com/vishal-bulbule Google Cloud ADK, Agent Development Kit, ADK Callbacks, Tool Execution Callbacks, before_tool_callback, after_tool_callback, Google Cloud AI Agents, ADK tools, Agent framework Google Cloud, ADK tool hooks, agent tool invocation, multi-agent system ADK, tool callback example, AI agent orchestration, Google Cloud developer tutorial, building agents on Google Cloud