PreToolUse
01Hook Claude Code
Runs before the agent uses a tool for Bash, Edit, MultiEdit and Write tool calls, executing pre-tool-use.js via node (5 commands). From pegasi-ai/reins.
38 tagged browser automation, measured the same way as everything else here.
Browse within: chrome-extension 11chrome-devtools-protocol 9ai-assistant 7ai-powered-testing 5ai-qa 5ai-testing 5cdp 5electron 5
Hook Claude Code
Runs before the agent uses a tool for Bash, Edit, MultiEdit and Write tool calls, executing pre-tool-use.js via node (5 commands). From pegasi-ai/reins.
Hook Claude Code
Runs after a tool call finishes for Bash, Edit, MultiEdit and Write tool calls, executing post-tool-use.js via node (5 commands). From pegasi-ai/reins.
Hook
Runs before the agent uses a tool for AskUserQuestion tool calls, executing wmux-bridge.mjs via node with --permission-gate (2 commands). From openwong2kim/wmux.
Hook
Runs after a tool call finishes, executing wmux-bridge.mjs via node. From openwong2kim/wmux.
Hook
Runs when the agent finishes a response, executing wmux-bridge.mjs via node. From openwong2kim/wmux.
Hook Claude Code
Runs when the agent finishes a response, running an inline shell check. From mits-pl/wove.
Hook Claude Code
Runs when you submit a prompt, before the agent sees it, running an inline shell check. From mits-pl/wove.
Hook
Runs when a session starts on startup, clear and compact, executing session-start.sh via bash. From vaaya-ai/vaaya-mcp.
Hook
Runs when a session starts, executing session-start.mjs via node. From InDate/devharness.
Hook Claude Code
Runs before the agent uses a tool for Edit, Write and MultiEdit tool calls, executing check-skill-deps.mjs via node with --hook. From multiplex-ai/muggle-ai-works.
Hook
Runs after a tool call finishes for Bash, mcp__.*muggle.*(execute, replay, telemetry-skill-emit), mcp__.*muggle.*(telemetry-event-emit, user-feedback-create), Skill, mcp__.*muggle.*telemetry-skill-emit, Read, Monitor and AskUserQuestion tool calls, executing guardrail-pr-opened.sh, guardrail-record-tests.sh…
Hook
Runs when the agent finishes a response, executing guardrail-e2e-gate.sh, guardrail-terminal-gate.sh, guardrail-watch-gate.sh, guardrail-walkthrough-gate.sh, guardrail-comment-reply-gate.sh, guardrail-stage-gate.sh, guardrail-debug-path-gate.sh and guardrail-capability-claim.sh via bash (8 commands). From…
Hook Claude Code
Runs after a tool call finishes for mcp__sh__ui_press, mcp__sh__browser_click, mcp__sh__click_with_fallback, mcp__sh__browser_fill_form and mcp__sh__type_with_fallback tool calls, running an inline shell check. From manushi4/Screenhand.
Hook Claude Code
Runs before the agent uses a tool for Bash tool calls, executing pre-commit.sh. From klarlabs-studio/scout.
Hook Claude Code
Runs after a tool call finishes for Write and Edit tool calls, running an inline shell check. From klarlabs-studio/scout.
Hook Claude Code
Runs when the agent finishes a response, executing pre-commit.sh. From klarlabs-studio/scout.
Hook
Runs when a session starts on startup, resume, clear and compact, executing inject.js via node (4 commands). From lordamdal/chromeboost.
Hook
Runs when the agent finishes a response, executing support-cta.js via node. From lordamdal/chromeboost.
Hook
Runs when a session starts on startup, clear and compact, executing run-hook.cmd. From IvanSkainet/arena-agent.
Hook Claude Code
Runs after a tool call finishes for Write and Edit tool calls, running an inline shell check. From TranHuyQn/cc-chrome-extension.
Hook Claude Code
Runs when the agent finishes a response, executing task-readiness-check.cjs via node. From VibeTechnologies/vibe-mcp.
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Runs before the context is compacted, executing pre_compact.js via node. From DevZonayed/Mochi.
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Runs when a session ends, executing session_end.js via node. From DevZonayed/Mochi.
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Runs before the agent uses a tool, executing pre_tool_use.js via node. From DevZonayed/Mochi.