claude

cowork-surface-probe

Isolate which SessionStart hook command form fails to surface on Cowork

0 on GitHubby kazukinagatav0.1.0MITupdated 1 month ago
/

Plugin cowork-surface-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)

  • surface-check

    Surfaces which of the five SessionStart hook variants (V1-V5) made it into context, to isolate the hook command form that silently fails to surface on Cowork.

Hooks (5)

  • SessionStart

    bash -c 'echo "[V1] plain"'

  • SessionStart

    bash -c 'echo "[V2] a"; echo "[V2] b"'

  • SessionStart

    bash -c 'echo "[V3] x"; if [ -n "$HOME" ]; then echo "[V3] then"; else echo "[V3] else"; fi'

  • SessionStart

    bash -c 'echo "[V4] x"; echo "[V4] y" >> /tmp/v4probe.txt; echo "[V4] after-redirect"'

  • SessionStart

    bash -c 'echo "[V5] x"; if [ -n "$CLAUDE_ENV_FILE" ]; then echo "[V5] wrote" >> "$CLAUDE_ENV_FILE"; echo "[V5] then2"; else echo "[V5] else"; fi'

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

More from kazukinagata/analyzing-claude-plugin

All 28 plugins →

verifier

claude

Probe plugin for re-verifying findings recorded in research.md

24 skills · hooks

0

verifier-violator

claude

Companion plugin used to trigger validator errors (probes 02 and 20)

4 skills

0

cowork-subagentstart-probe

claude

Does a plugin-level SubagentStart hook fire on Cowork, and does its JSON additionalContext reach the subagent? Compares plain stdout, matcher-less JSON and matcher-scoped JSON in one launch.

1 skill · 1 agent · hooks

0

cowork-userconfig2-probe

claude

userConfig re-probe for the post-2.1.207 spec: exec-form ${user_config.*} substitution, CLAUDE_PLUGIN_OPTION_<KEY> env in hooks, skill/agent content substitution, and the manifest `default` field. Declares every documented option field (string/number/boolean, required, sensitive, default, multiple, min/max) so the input UI can be compared between Claude Desktop Code and Cowork.

1 skill · 1 agent · hooks

0

cowork-blockmethods-probe

claude

PreToolUse block-method matrix (decision/permissionDecision/exit2) CLI vs Cowork

1 skill · hooks

0

cowork-block-probe

claude

Skill-to-skill PreToolUse:Skill block test for CLI vs Cowork

2 skills

0

Maintain cowork-surface-probe?

This page updates itself from your repo. Add the badge to your README, or get it Featured to pin it above the organic results with a followed link to your site.

claude & codex plugins28 plugins