add-sub
Agent skill from
Subscribe to a skill event. Adds a subscription that injects context before or after a skill runs. Supports optional conditions at both insert-level (inherited by all subscriptions) and subscription-level (AND-stacked). Conditions include fileExists, gitBranch, envSet, envEquals, fileContains (with optional regex).
How to install add-sub
install add-sub
# install the awesome-claude-plugins pack with the skills CLI
npx skills add composio-community/awesome-claude-plugins# or add only this skill to Claude Code: copy the folder
skill-bus/skills/add-sub/
# into
~/.claude/skills/add-sub/ (all projects)
.claude/skills/add-sub/ (one project)