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Neo MCP v4.0.0

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@Jim8y Jim8y released this 30 Jul 03:14
v4.0.0
f8132b3

MCP 2026-07-28 only.

Breaking changes:

  • Replaces SDK v1 with the split SDK v2 packages.
  • Removes initialization, session IDs, legacy HTTP lifecycle routes, and protocol downgrade paths.
  • Replaces form elicitation with signed input_required multi-round trips for write approval.
  • Adds stateless HTTP limits, strict routing validation, cache hints, and the analyze_address tool.

Clients must upgrade to @modelcontextprotocol/client v2 and pin protocol version 2026-07-28.

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