[BUG] After upgrading Claude Code to the latest version, some plugins from the original plugin marketplace are no longer supported due to format incompatibility.

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

Error: Invalid schema: plugins.2.source: Invalid input, plugins.5.source: Invalid input, plugins.12.source: Invalid input, plugins.29.source: Invalid input, plugins.48.source: Invalid input,
plugins.56.source:
Invalid input, plugins.61.source: Invalid input, plugins.63.source: Invalid input, plugins.85.source: Invalid input, plugins.95.source: Invalid input, plugins.103.source: Invalid input,
plugins.115.source

What Should Happen?

Error: Invalid schema: plugins.2.source: Invalid input, plugins.5.source: Invalid input, plugins.12.source: Invalid input, plugins.29.source: Invalid input, plugins.48.source: Invalid input,
plugins.56.source:
Invalid input, plugins.61.source: Invalid input, plugins.63.source: Invalid input, plugins.85.source: Invalid input, plugins.95.source: Invalid input, plugins.103.source: Invalid input,
plugins.115.source

Error Messages/Logs

Steps to Reproduce

Error: Invalid schema: plugins.2.source: Invalid input, plugins.5.source: Invalid input, plugins.12.source: Invalid input, plugins.29.source: Invalid input, plugins.48.source: Invalid input,
plugins.56.source:
Invalid input, plugins.61.source: Invalid input, plugins.63.source: Invalid input, plugins.85.source: Invalid input, plugins.95.source: Invalid input, plugins.103.source: Invalid input,
plugins.115.source

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.1.81 (Claude Code)

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_