~/lightning

MCP Routing In Linkerd

Lightningat KubeCon + CloudNativeCon Europe 2026 · 2026-03-23..03-26· at 13:54· Elicium 2· [kubernetes]
name:Flynn
slides:none on file

Linkerd becomes the first mesh to support MCP by actually parsing JSON‑RPC bodies inside HTTP, extracting methods from deep in the payload, and enforcing session affinity so repeated requests in a session stick to the same MCP server. It implements payload processing to surface errors hidden behind HTTP 200, adds tool‑level routing and auth, and ships a new resource called MCPRoute; the feature lands without rewriting existing routing semantics.

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