Shell commands your agent runs at defined points. A hook is code, so read it before you install it.
maxwell2732/codex-stata-for-economists
Hook Claude Code
One of 5 in settings.json
Runs when the agent finishes a response, executing log-reminder.py via python3. From maxwell2732/codex-stata-for-economists.
Hook Claude Code
One of 3 in settings.json
Runs before the agent uses a tool for Write, Edit, Bash and Bash tool calls, executing enforce-worktree.ts and pre-merge-check.ts via bun with --show-toplevel (3 commands). From OpenRouterLabs/spawn.
Hook Claude Code
One of 5 in settings.json
Runs when a session starts on startup, executing session-start.mjs via node. From fpindej/netrock.
tonyc726/china-administrative-division
Hook Claude Code
One of 4 in settings.json
Runs before the agent uses a tool for Write, Edit and MultiEdit tool calls, running an inline shell check. From tonyc726/china-administrative-division.
Hook Claude Code
One of 3 in settings.json
Runs after a tool call finishes, executing log-activity.sh. From HKUDS/MoChat.
Hook Claude Code
One of 2 in settings.json
Runs before the agent uses a tool for Bash and Bash tool calls, executing validate-forge-cast.sh and validate-open-url.sh via bash (2 commands). From Uniswap/uniswap-ai.
Hook Claude Code
One of 2 in settings.json
Runs when the agent finishes a response, executing stop-sound.sh. From bradautomates/head-of-content.
Hook Claude Code
One of 2 in settings.json
Runs when a session starts, running echo 'Session started'. From HeadyZhang/agent-audit.
Hook Claude Code
One of 3 in settings.json
Runs when a session ends, executing session-end-memory-marker.sh via bash. From timothywarner-org/claude-code.
Hook
One of 4 in hooks.json
Runs when a session starts, running an inline shell check (2 commands). From qualixar/superlocalmemory.
spences10/svelte-claude-skills
Hook Claude Code
One of 2 in settings.json
Runs when you submit a prompt, before the agent sees it, executing skill-simple-instruction-hook.sh. From spences10/svelte-claude-skills.
Hook Claude Code
One of 2 in settings.json
Runs after a tool call finishes for Write and Edit tool calls, executing regen-data.py via python3 with --show-toplevel. From codemonkey85/PKMDS-Blazor.
Hook Claude Code
One of 2 in settings.json
Runs after a tool call finishes for Write, Edit and MultiEdit tool calls, executing validate-dot.sh. From danshapiro/kilroy.
Hook Claude Code
One of 2 in settings.json
Runs after a tool call finishes for Edit and Write tool calls, executing format-on-edit.sh. From RLabs-Inc/gemini-mcp.
Hook Claude Code
One of 2 in settings.json
Runs when a session starts, executing load-context.mjs via node. From igoruehara/spec-driven.
Hook Claude Code
One of 6 in settings.json
Runs after a tool call finishes for Edit and Write tool calls, running an inline shell check (2 commands). From dilolabs/nosia.
Hook
One of 3 in hooks.json
Runs when a session starts, running agenticmail-codex-mail-hook. From agenticmail/agenticmail.
Joonghyun-Lee-Frieren/oh-my-antigravity
Hook
One of 2 in hooks.json
Runs on the BeforeModel event, executing hook-bootstrap.js via node. From Joonghyun-Lee-Frieren/oh-my-antigravity.
Hook Claude Code
One of 3 in settings.json
Runs after a tool call finishes for Write and Edit tool calls, executing post-edit.sh and check_citation_provenance.py (2 commands). From kstenerud/yoloai.
Hook Claude Code
One of 4 in settings.json
Runs after a tool call finishes for Edit and Write tool calls, running an inline shell check (2 commands). From justxor/Harness_ru.
Hook Claude Code
One of 2 in settings.json
Runs before the agent uses a tool for Edit, Write, Read and Bash tool calls, executing block-dist.sh, enforce-bun.sh and no-truncated-schema-proof.sh via bash with --show-toplevel (3 commands). From lobu-ai/lobu.
Hook Claude Code
One of 8 in settings.json
Runs when the agent asks permission for an action, running curl -s -X POST -H 'Content-Type: application/json' -d @- ht. From scarce/axel.
Hook Claude Code
One of 9 in settings.json
Runs before the agent uses a tool, executing pre_tool_use.py via uv. From disler/nano-agent.
Hook Claude Code
One of 2 in settings.json
Runs when a session starts, running bd prime --hook-json. From DrAshBooth/PyLOB.
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: