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v3.4.3

Released 2026-07-12.

A patch release that fixes the MCP registry listing publish.

Fixes

  • The published container image now carries the io.modelcontextprotocol.server.name label that the MCP registry requires, so the registry listing publish succeeds instead of failing validation on the release. A distribution-manifest guard keeps the Dockerfile label in sync with the server.json identity.
  • Version-synced server.json and .plugin/plugin.json to 3.4.3.