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claude-code - 💡(How to fix) Fix Cowork desktop: marketplace plugin listing cache stale post re-add [2 comments, 2 participants]

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anthropics/claude-code#54790•Fetched 2026-04-30 06:35:56
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admin431admin431
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Cowork desktop BETA caches the plugin marketplace listing aggressively. After re-adding a marketplace whose .claude-plugin/marketplace.json references a plugin with a newer plugin.json version, Cowork continues showing the old version. UI shows only "Desinstalar" — no "Update" / "Reinstalar" button.

Root Cause

For organizations distributing private plugins via marketplace (our case: admin431/PoWi-Mobile with internal-only plugin), every plugin update requires this manual workaround. Defeats the purpose of marketplace-based distribution.

Fix Action

Workaround

Uninstall plugin → Use zip flow (build zip from PowerShell with & scripts/build_powi_plugin_zip.ps1, then "+" → "Subir plugin" with the zip). Plugin installs fresh at v1.5.0. Loses marketplace tracking.

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Summary

Cowork desktop BETA caches the plugin marketplace listing aggressively. After re-adding a marketplace whose .claude-plugin/marketplace.json references a plugin with a newer plugin.json version, Cowork continues showing the old version. UI shows only "Desinstalar" — no "Update" / "Reinstalar" button.

Reproduction

  1. Install plugin v1.1.0 from marketplace admin431/PoWi-Mobile
  2. In repo, bump plugin.json version to v1.5.0 (multiple commits, all merged to develop)
  3. In Cowork: Marketplaces → remove admin431/PoWi-Mobile
  4. Re-add marketplace with same URL https://github.com/admin431/PoWi-Mobile
  5. Restart Cowork desktop multiple times

Expected

Cowork detects new plugin.json version (v1.5.0) and either:

  • Shows "Update available" with button to apply, OR
  • Refreshes listing automatically post re-add

Actual

Cowork keeps showing v1.1.0. UI offers only "Desinstalar". No way to update without uninstall+reinstall (which loses any local config).

Workaround

Uninstall plugin → Use zip flow (build zip from PowerShell with & scripts/build_powi_plugin_zip.ps1, then "+" → "Subir plugin" with the zip). Plugin installs fresh at v1.5.0. Loses marketplace tracking.

Why this matters

For organizations distributing private plugins via marketplace (our case: admin431/PoWi-Mobile with internal-only plugin), every plugin update requires this manual workaround. Defeats the purpose of marketplace-based distribution.

Environment

  • Cowork desktop (Windows 11)
  • Plugin: powi-claude-plugin private marketplace admin431/PoWi-Mobile
  • Repo always has plugin.json version > marketplace.json version (per Anthropic doc: plugin.json value always wins silently)

extent analysis

TL;DR

The most likely fix is to clear the cache or find a way to refresh the marketplace listing after re-adding a marketplace to reflect the updated plugin version.

Guidance

  • Verify that the plugin.json version is correctly updated in the repository and that the changes are merged to the develop branch.
  • Check if there's an option to manually refresh or clear the cache in Cowork desktop after re-adding a marketplace.
  • Consider using the provided workaround of uninstalling the plugin and reinstalling it using the zip flow as a temporary solution.
  • Investigate if there's a setting or configuration in Cowork desktop that controls the aggressiveness of the marketplace listing cache.

Example

No code snippet is provided as it's not explicitly mentioned in the issue.

Notes

The issue seems to be related to the caching mechanism in Cowork desktop, and the provided workaround suggests that reinstalling the plugin using the zip flow can bypass this issue. However, this workaround has the drawback of losing marketplace tracking.

Recommendation

Apply workaround: The current workaround of uninstalling the plugin and reinstalling it using the zip flow seems to be the most viable solution until the caching issue is resolved, as it allows the updated plugin version to be installed.

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