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June 9-10, 2026
Bengaluru, India
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MCP Schema Evolution: Versioning Tool Contracts Without Breaking Agents - Yogesh Sardana, Cloud Engineering Leader & Researcher
Tuesday June 9, 2026 3:25pm - 3:50pm IST
Convention Hall
This is just not about a single organisation but for every organisation, tool schemas in MCP evolve as platforms change parameters get renamed, new required fields are added, response shapes shift. Agents built against an older schema break silently, produce incorrect results, or enter undefined behavior, and there is no established SemVer discipline for MCP tools today. This session proposes a practical versioning specification for MCP tool definitions covering additive-only change policies, explicit deprecation signals embedded in tool metadata, capability negotiation via request headers, and client-side schema compatibility layers. The session demonstrates these patterns with a real Kubernetes tool server that ships v1 and v2 tool definitions side by side, with running agents targeting each version independently, and a live migration showing how a breaking change is introduced and absorbed without downtime.
Speakers
avatar for Yogesh Sardana

Yogesh Sardana

Cloud Engineering Researcher & Leader
I'm working as a Cloud Engineering Leader & Researcher, leading Open Source Stack R&D wing, known as Jack of all trades, master of Cloud. Been into various tech stacks of Software Development Life Cycle, having fun with tech.
mcp schema evolution bengaluru 2026 pdf
Tuesday June 9, 2026 3:25pm - 3:50pm IST
Convention Hall
  MCP Protocol in Depth
  • Audience Experience Level Any
  • Session Slides Yes

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