PreToolUse
73Hook Claude Code
Runs before the agent uses a tool for Bash, task_submit, Write, Edit, MultiEdit, NotebookEdit, WebSearch and WebFetch tool calls, executing pre_tool_use.py via python3 (4 commands). From willow-memory/willow-mcp.
107 tagged knowledge-base, measured the same way as everything else here.
Browse within: agent-memory 14markdown 13karpathy 9knowledge-graph 9llm-wiki 9agentdb 8anthropic-claude 8hybrid-search 8ai-memory 6fastapi 6obsidian 6deepresearch 5repo-native-agent-app 5
Hook Claude Code
Runs before the agent uses a tool for Bash, task_submit, Write, Edit, MultiEdit, NotebookEdit, WebSearch and WebFetch tool calls, executing pre_tool_use.py via python3 (4 commands). From willow-memory/willow-mcp.
Hook Claude Code
Runs when the agent finishes a response, executing stop-issue-closure-check.sh via bash. From willow-memory/willow-mcp.
Hook
Runs when you submit a prompt, before the agent sees it, executing preamble-inject.py. From anthonysuherli/br8n.
Hook
Runs when a session starts, executing first-run-init.py and auto-capture.py (2 commands). From anthonysuherli/br8n.
Hook
Runs when the agent finishes a response, executing session-note.py. From anthonysuherli/br8n.
Hook
Runs when a session starts on startup and resume, running an inline shell check. From eliransu/digital-brain.
Hook
Runs after a tool call finishes for Write and Edit tool calls, running an inline shell check. From eliransu/digital-brain.
Hook
Runs when the agent finishes a response, running an inline shell check. From eliransu/digital-brain.
Hook
Runs before the agent uses a tool for Edit, Write, MultiEdit, NotebookEdit and Read tool calls, executing guard_raw.py via python3. From barakgut/lore.
Hook
Runs when a session starts, executing warm_index.py and freshness_check.py via uv with --script (2 commands). From WillCAboutThat/odin-adapter.
Hook
Runs after a tool call finishes for ^mcp__.*odin[-_]core__odin_(init, capture, capture_repo, reextract, retier, anchor, drift_log, derive, stage_candidate, promote_candidate, decline_candidate, index, stamp, reproject, relink, challenge_log, map_log, review_log, supersede, project, record_decision, lint_ack and…
Hook
Runs when the agent finishes a response, executing stop_lint_check.py via uv with --script. From WillCAboutThat/odin-adapter.
Hook
Runs when a session starts on startup, resume and compact, executing kb-ledger-hook.sh via sh. From riemannulus/knowledge-base.
Hook
Runs when the agent finishes a response, executing kb-ledger-hook.sh via sh. From riemannulus/knowledge-base.
Hook
Runs before the context is compacted, executing kb-ledger-hook.sh via sh. From riemannulus/knowledge-base.
cryptoyoginya/harness-health-engineering
Hook Claude Code
Runs when a session starts, executing session-start-context.mjs via node. From cryptoyoginya/harness-health-engineering.
cryptoyoginya/harness-health-engineering
Hook Claude Code
Runs before the agent uses a tool for Write, Edit and MultiEdit tool calls, executing check-decisions.mjs and check-md-frontmatter.mjs via node (2 commands). From cryptoyoginya/harness-health-engineering.
Hook Claude Code
Runs when the agent finishes a response, executing agent-quality-gate.sh with --show-toplevel, --surface and --mode. From OctopusGarage/alcove.