python hooks

langgenius/dify

Hook Claude Code

Runs before the agent uses a tool for Bash tool calls, running npx -y [email protected]. From langgenius/dify.

astral-sh/uv

Hook Claude Code

Runs when a session starts on startup, executing session-start.sh via bash. From astral-sh/uv.

astral-sh/uv

Hook Claude Code

Runs after a tool call finishes for Edit, Write and MultiEdit tool calls, executing post-edit-format.py via uv with --frozen. From astral-sh/uv.

mem0ai/mem0

Hook

Runs when a session starts on startup, resume and compact, executing ensure_deps.sh and on_session_start.sh (2 commands). From mem0ai/mem0.

mem0ai/mem0

Hook

Runs before the agent uses a tool for Write, Edit, MultiEdit, mcp__mem0__add_memory, mcp__plugin_mem0_mem0__add_memory, mcp__mem0__search_memories, mcp__plugin_mem0_mem0__search_memories, mcp__mem0__get_memories, mcp__plugin_mem0_mem0__get_memories, mcp__mem0__delete_all_memories…

mem0ai/mem0

Hook

Runs after a tool call finishes for mcp__mem0__.*, mcp__plugin_mem0_mem0__.* and Bash tool calls, executing on_post_tool_use.sh and on_bash_output.sh (2 commands). From mem0ai/mem0.

MemPalace/mempalace

Hook Claude Code

Runs when the agent finishes a response, executing mempal-stop-hook.sh via bash. From MemPalace/mempalace.

MemPalace/mempalace

Hook Claude Code

Runs when a session ends, executing mempal-session-end-hook.sh via bash. From MemPalace/mempalace.

MemPalace/mempalace

Hook Claude Code

Runs before the context is compacted, executing mempal-precompact-hook.sh via bash. From MemPalace/mempalace.

windmill-labs/windmill

Hook Claude Code

Runs before the agent uses a tool for Bash tool calls, executing guard-main-branch.sh, guard-rm-outside-tmp.sh and allow-fileops-in-tmp.sh (3 commands). From windmill-labs/windmill.

windmill-labs/windmill

Hook Claude Code

Runs after a tool call finishes for Edit and Write tool calls, executing format-frontend.sh and format-backend.sh (2 commands). From windmill-labs/windmill.

windmill-labs/windmill

Hook Claude Code

Runs when the agent sends a notification, executing notify-user.sh. From windmill-labs/windmill.

dagster-io/dagster

Hook Claude Code

Runs when you submit a prompt, before the agent sees it, running ERK_HOOK_ID=user-prompt-hook erk exec user-prompt-hook. From dagster-io/dagster.

dagster-io/dagster

Hook Claude Code

Runs before the agent uses a tool for ExitPlanMode tool calls, running ERK_HOOK_ID=exit-plan-mode-hook erk exec exit-plan-mode-hook. From dagster-io/dagster.

basicmachines-co/basic-memory

Hook

Runs when a session starts, executing session_start.py via uv with --quiet and --script. From basicmachines-co/basic-memory.

basicmachines-co/basic-memory

Hook

Runs before the context is compacted, executing pre_compact.py via uv with --quiet and --script. From basicmachines-co/basic-memory.

cocoindex-io/cocoindex-code

Hook

Runs when a session starts, running an inline shell check. From cocoindex-io/cocoindex-code.

cocoindex-io/cocoindex-code

Hook

Runs after a tool call finishes for Edit, Write, MultiEdit and search_replace tool calls, running an inline shell check. From cocoindex-io/cocoindex-code.

Dicklesworthstone/mcp_agent_mail

Hook Claude Code

Runs when a session starts, running an inline shell check (2 commands). From Dicklesworthstone/mcp_agent_mail.

Dicklesworthstone/mcp_agent_mail

Hook Claude Code

Runs before the agent uses a tool for Edit tool calls, running an inline shell check. From Dicklesworthstone/mcp_agent_mail.

Dicklesworthstone/mcp_agent_mail

Hook Claude Code

Runs after a tool call finishes for Bash tool calls, executing check_inbox.sh. From Dicklesworthstone/mcp_agent_mail.

nat-n/poethepoet

Hook Claude Code

Runs when the agent finishes a response, running poe format. From nat-n/poethepoet.

kennethreitz/pytheory

Hook Claude Code

Runs when a session starts, executing session-start.sh. From kennethreitz/pytheory.

tigerless-labs/autoharness

Hook

Runs when a session starts, running an inline shell check. From tigerless-labs/autoharness.