claude

cowork-upe-probe

Tests whether a plugin-level UserPromptExpansion hook fires on Cowork (slash-invoked), with SessionStart/UserPromptSubmit controls. Windows: expected validator reject (§2.3); macOS: may install, letting firing be observed for the first time.

0 on GitHubby kazukinagatav0.1.0MITupdated 1 month ago
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Plugin cowork-upe-probe from marketplace verifier-mp in kazukinagata/analyzing-claude-plugin. Commands read from the repo's manifest — 1 month ago.

This plugin runs code on your machine — its hooks fire automatically on events like tool use. The exact commands are listed below; read them before installing.

What it installs

Skills (1)

  • show-upe

    Surfaces UPE_PROBE_* marker lines to test whether the plugin-level UserPromptExpansion hook fires on Cowork. Invoking this skill via slash is itself the trigger; compares against UserPromptSubmit and SessionStart controls.

Hooks (3)

  • SessionStart

    echo UPE_PROBE_SESSIONSTART=ok

  • UserPromptSubmit

    echo UPE_PROBE_PROMPTSUBMIT=ok

  • UserPromptExpansion

    echo UPE_PROBE_EXPANSION=fired

View source on GitHub

Problems found in this repo's manifests

  • "cowork-mcp-tool-hook-probe" points to ./cowork-mcp-tool-hook-probe, which doesn't exist in the repo — install will fail

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claude & codex plugins28 plugins