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AI CURATED HOT STORY · 10/15/2026

Istio 1.31 Integrates Agentgateway for MCP Support and Forces Migration from Google Cloud Registries

1 reports archived1 independent sourcesupdated 10/15/2026, 15:14:11
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1 Sources Cross-Validated

Istio 1.31 introduces the istio-agentgateway-waypoint GatewayClass, enabling native support for Model Context Protocol (MCP) traffic via the Rust-based Agentgateway in Ambient mode. Concurrently, it terminates distribution on Google Cloud registries and Helm repos, mandating user migration to registry.istio.io by December to avoid service disruption.

LATEST/Istio 1.31 introduces the istio-agentgateway-waypoint GatewayClass, enabling native support for Model Context Protocol (MCP) traffic via the Rust-based Agentgateway in Ambient mode. Concurrently, it terminates distribution on Google Cloud registries and Helm repos, mandating user migration to registry.istio.io by December to avoid service disruption.

TIMELINECoverage timeline

Total 1 reports · Latest first
  1. InfoQ 中文T2·68 pts
    • Introduced istio-agentgateway-waypoint GatewayClass, allowing Agentgateway as a Layer 7 waypoint proxy in Ambient mesh.
    • Agentgateway is Rust-based and supports Model Context Protocol (MCP) alongside HTTP, designed specifically for agent traffic.
    • Traffic migration between Waypoints is currently in Alpha stage with unstable APIs, requiring caution for production use.
    • Distribution to gcr.io/istio-release and Google-hosted Helm repos has ceased; users must migrate to registry.istio.io before December retirement.