PreToolUse
01Hook Claude Code ✓ vendor
One of 4 in hooks.json
Runs before the agent uses a tool for Bash tool calls, executing code_scanner_hook.py, observability_hook.py and pii_checker_hook.py via python3 (3 commands). From alibaba/anolisa.
9 tagged agent-runtime, measured the same way as everything else here.
Browse within: agentic-ai 22agentic-workflows 18ai-governance 18context-engineering 18agent-infrastructure 10agentic-os 10agent-framework 7agent-coordination 6agent-os 6agent-teams 6agent-workflows 5
Hook Claude Code ✓ vendor
One of 4 in hooks.json
Runs before the agent uses a tool for Bash tool calls, executing code_scanner_hook.py, observability_hook.py and pii_checker_hook.py via python3 (3 commands). From alibaba/anolisa.
Hook Claude Code
One of 3 in settings.json
Runs before the agent uses a tool, executing pre-tool-use.sh. From ldilov/harness-forge.
Hook Claude Code
One of 3 in hooks.json
Runs when a session starts, executing aiko-session-context.mjs via node. From masa-san-jp/Agent-Aiko.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: