BRIEF #5
March 16, 2026

Platform Pulse: Orchestrated Intelligence and the Governance of Agentic Ecosystems

As we cross the threshold into the fifth edition of the Engineering Brief, the focus shifts from simple automation to the rise of 'Agentic Middleware.' This week, we explore how Model Context Protocol (MCP) and Cross-App Access are redefining the interaction between serverless infrastructure and autonomous AI agents.

🤖 Agentic Architecture & AI Orchestration

The transition from static LLM integration to production-ready AI agents requires a new tier of 'agentic middleware' focused on continuous evaluation and extensible integration kits.

  1. A Developer's Guide to Production-Ready AI Agents: Five comprehensive guides providing practical frameworks and code samples to transition agents from experimental "vibe checks" to scalable, real-world action.
  2. From "Vibe Checks" to Continuous Evaluation: Engineering Reliable AI Agents: A rigorous engineering discipline utilising ADK and Vertex AI evaluation to ensure agent reliability through data-driven assessment.
  3. The New ADK Integrations Ecosystem: The Agent Development Kit (ADK) now supports third-party tool connectivity for GitHub, Notion, and Hugging Face, enabling more capable autonomous workflows.
  4. Turning API Sprawl into an Agent-Ready Catalog: Strategies for using Apigee API Hub to make complex API specifications readable for AI agents, effectively indexing your internal ecosystem for autonomous discovery.
  5. Automating GCP Safely with Gemini CLI and MCP: Details on building secure automation workflows using the Developer Knowledge Model Context Protocol (MCP) server to power Gemini CLI skills.
  6. Troubleshooting with Cloud Logging MCP Servers: Fully-managed MCP servers allow agents to connect directly to live infrastructure logs and official documentation to automate error analysis.
  7. Fine-Tuning Gemma 3 with Cloud Run Jobs: A cost-efficient approach to fine-tuning large models using serverless NVIDIA RTX 6000 PRO GPUs that scale to zero post-task.
  8. Give Agentic Chatbots Fast Long-Term Memory: Solutions for addressing real-time context updates and efficient retrieval of historical interaction data for persistent agent memory.
  9. Pro-level image generation with Nano Banana 2: High-speed, enterprise-accessible image generation and editing now available on Vertex AI and the Gemini CLI.
  10. Vertex AI Agent Engine GA: Secure, governed agentic environments are now generally available for regulated industries.

⚡ Modernising the Serverless Edge

Serverless environments are evolving beyond isolated functions into unified global systems with native service mesh integration and hardware-optimised runtimes.

  1. Cloud Service Mesh & Cloud Run: Utilising the Service Routing API to enable client-side load balancing and regional failover for highly-available internal connectivity.
  2. 5 More Things for Cloud Run Day 1: Advanced techniques for local development and sophisticated service management for new Cloud Run practitioners.
  3. Modernise with the Universal OS-Only Runtime: The new osonly24 runtime allows developers to bypass traditional container builds by deploying pre-compiled binaries (Go, Rust, Dart) directly.
  4. Multi-Region Cloud Run with Automated Failover: Preview of automated failover and failback for external traffic using native Cloud Run service health monitoring.
  5. Direct VPC Egress for 2nd Gen Functions: The ability to configure Direct VPC egress for second-generation Cloud Functions has reached General Availability.
  6. Eventarc Advanced, Centralised Policy Meets Distributed Logic: Restoring governance to microservices and AI agent-based eventing without sacrificing developer agility.
  7. Deploying LLM Inference on GKE: Tackling production-level hurdles such as VPC policies and organisational constraints during Kubernetes-based LLM deployment.
  8. H4D VMs: High Performance Computing GA: 5th Gen AMD EPYC-based VMs with Cloud RDMA networking are now GA for tightly-coupled, multi-node workloads.
  9. Dataflow support for C4A Arm Processors: Generally available support for Arm-based VMs in Dataflow, offering improved price-performance and power efficiency.
  10. Cloud Deploy: New Region Availability: Expansion of Cloud Deploy services to the asia-southeast3 (Bangkok) region.

🔐 Identity Frontier & Zero Trust

Modern IAM is shifting toward 'Autonomous Trust,' where identity provides the perimeter and short-lived tokens eliminate the risk of static credential leaks.

  1. Okta Cross App Access (XAA): A new framework allowing AI agents to securely act on behalf of users across enterprise apps without credential exposure or excessive consent prompts.
  2. Okta Fine-Grained Authorisation (FGA): A globally replicated, scalable managed service that allows developers to manage permissions for millions of users and billions of resources via API.
  3. Connecting Azure DevOps to GCP with Workload Identity Federation: Securing multi-cloud CI/CD by leveraging short-lived OIDC tokens, removing the need for risky static service account keys.
  4. Okta Individual & Time-Bound Entitlements: Admins can now grant specific, expiring access to individual users without creating broad entitlement bundles, supporting a stricter Least Privilege model.
  5. Okta OIN API Service Integration Wizard: ISVs can now directly configure and test API service integrations within the Okta Integration Network, accelerating secure app-to-app connectivity.
  6. Saving $140K in Silently Ingested Logs: A FinOps guide to implementing exclusion filters and routing essential logs to GCS to avoid default ingestion costs.
  7. Popular IDE extension with 1.6M downloads is leaking Google Cloud credentials: Warning regarding a popular IDE extension storing tokens in plaintext; immediate revocation is recommended.
  8. VPC Service Controls Support: New preview support for VPC Service Controls to minimise data exfiltration risks from Google Security Operations.
  9. Okta FastPass: Passwordless Biometrics: Adoption of phishing-resistant authentication using on-device biometrics like FaceID and TouchID to modernise the sign-in experience.
  10. Security Command Center: App Hub Integration: Enhanced filtering allows security teams to view findings and compliance data specific to resources registered within App Hub.

📊 High-Performance Data & Analytics

The convergence of relational and graph data models, alongside continuous query engines, is transforming databases into real-time context engines for AI.

  1. Uncovering Hidden Patterns with Spanner Graph: Leveraging new graph capabilities with a single DDL statement to transform relational data into traversable insights like popular product pairings.
  2. Serving Iceberg Lakehouses with Spanner Columnar Engine: A new preview feature allowing low-latency, real-time AI workloads to serve cold data directly from Iceberg lakehouses.
  3. BigQuery Continuous Queries to Spanner: Generally available support for streaming BigQuery data directly to Spanner in real-time for immediate transactional reads.
  4. PayPal's Record Teradata Migration: Insights from one of the largest data migrations ever undertaken to provide the bedrock for financial service GenAI innovation.
  5. BigQuery: Reducing Spend by 40% with Slot Eaters: A guide to using advanced runtime metrics and partitioned join optimisation to identify and eliminate expensive query patterns.
  6. Connect Serverless Spark to Antigravity Notebooks: Configuring Spark runtime templates and executing PySpark code directly within an agentic development environment.
  7. AlloyDB AI Intelligent SQL Functions: New array-based functions for semantic ranking, forecasting, and generation directly within SQL workflows.
  8. Spanner: Managed Autoscaler & Hotspot Insights: Native autoscaling based on total CPU utilisation and new "unsplittable reason" metrics to identify schema anti-patterns.
  9. BigQuery Materialised Views Cost Reduction: Optimising dashboard performance by pre-calculating results and using BigQuery's intelligent query rerouting.
  10. NetApp Volumes: Flex Unified Large Volumes: Preview support for 20 PiB storage pools delivering up to 22 GiBps throughput for massive datasets.
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