Remove private flag from MCP package.json

[francinelucca]

Towards https://github.com/github/primer/issues/6453

Changelog

Removed

• private flag from Primer MCP package

Rollout strategy

• Patch release
• Minor release
• Major release; if selected, include a written rollout or migration plan
• None; if selected, include a brief description as to why

Testing & Reviewing

Merge checklist

• Added/updated tests
• Added/updated documentation
• Added/updated previews (Storybook)
• Changes are SSR compatible
• Tested in Chrome
• Tested in Firefox
• Tested in Safari
• Tested in Edge
• (GitHub staff only) Integration tests pass at github/github-ui (Learn more about how to run integration tests)

[changeset-bot]

⚠️ No Changeset found

Latest commit: ae541fb

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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[Copilot]

Pull request overview

This PR makes the @primer/mcp workspace publishable by removing the private flag from its package.json, aligning with the goal of distributing the Primer MCP server as a public npm package.

Changes:

• Removes "private": true from packages/mcp/package.json to allow publishing.

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