mcp hooks

agenticmail/agenticmail

Hook

One of 3 in hooks.json

Runs when a session starts, running agenticmail-codex-mail-hook. From agenticmail/agenticmail.

agenticmail/agenticmail

Hook

One of 3 in hooks.json

Runs when you submit a prompt, before the agent sees it, running agenticmail-codex-mail-hook. From agenticmail/agenticmail.

agenticmail/agenticmail

Hook

One of 3 in hooks.json

Runs when the agent finishes a response, running agenticmail-codex-mail-hook. From agenticmail/agenticmail.

postrv/narsil-mcp

Hook Claude Code

One of 5 in settings.json

Runs after a tool call finishes for Write, Edit and MultiEdit tool calls, executing post-edit-scan.sh. From postrv/narsil-mcp.

postrv/narsil-mcp

Hook Claude Code

One of 5 in settings.json

Runs when the agent finishes a response, executing end-of-turn.sh. From postrv/narsil-mcp.

postrv/narsil-mcp

Hook Claude Code

One of 5 in settings.json

Runs when a session starts, executing session-init.sh. From postrv/narsil-mcp.

paiml/paiml-mcp-agent-toolkit

Hook Claude Code

One of 2 in settings.json

Runs before the agent uses a tool for Write and Edit tool calls, executing pmat-quality-feedback.sh. From paiml/paiml-mcp-agent-toolkit.

dcostenco/prism-coder

Hook Claude Code

One of 2 in settings.json

Runs after a tool call finishes for Bash tool calls, executing post-commit-repomix.sh via bash. From dcostenco/prism-coder.

codingagentsystem/cas

Hook Claude Code

One of 12 in settings.json

Runs when the agent sends a notification for permission_prompt, idle_prompt and auth_success tool calls, running cas hook Notification. From codingagentsystem/cas.

codingagentsystem/cas

Hook Claude Code

One of 12 in settings.json

Runs before the agent uses a tool for Read, Glob, Grep, Write, Edit, Bash, WebFetch, WebSearch, Task and SendMessage tool calls, running cas hook PreToolUse. From codingagentsystem/cas.

codingagentsystem/cas

Hook Claude Code

One of 12 in settings.json

Runs when a session starts, running cas hook SessionStart (2 commands). From codingagentsystem/cas.

bobmatnyc/claude-mpm

Hook Claude Code

One of 9 in settings.json

Runs after a tool call finishes for Write, MultiEdit, Edit and NotebookEdit tool calls, running claude-hook (2 commands). From bobmatnyc/claude-mpm.

bobmatnyc/claude-mpm

Hook Claude Code

One of 9 in settings.json

Runs when a tool call fails, running python3. From bobmatnyc/claude-mpm.

bobmatnyc/claude-mpm

Hook Claude Code

One of 9 in settings.json

Runs when you submit a prompt, before the agent sees it, running claude-hook (2 commands). From bobmatnyc/claude-mpm.

HsienW/chat-gun-react-agent

Hook Claude Code

One of 2 in settings.json

Runs before the agent uses a tool for Edit, MultiEdit, Write, NotebookEdit, Bash and mcp__.* tool calls, executing ccr-role-write-guard.mjs via node. From HsienW/chat-gun-react-agent.

helixml/kodit

Hook Claude Code

One of 2 in settings.json

Runs after a tool call finishes for Write and Edit tool calls, running an inline shell check. From helixml/kodit.

aikts/yandex-tracker-mcp

Hook Claude Code

One of 7 in settings.json

Runs after a tool call finishes for Task and TodoWrite tool calls, running an inline shell check (2 commands). From aikts/yandex-tracker-mcp.

aikts/yandex-tracker-mcp

Hook Claude Code

One of 7 in settings.json

Runs before the agent uses a tool for Task tool calls, running an inline shell check. From aikts/yandex-tracker-mcp.

aikts/yandex-tracker-mcp

Hook Claude Code

One of 7 in settings.json

Runs when a session starts, running an inline shell check. From aikts/yandex-tracker-mcp.

jayminwest/kotadb

Hook Claude Code

One of 5 in settings.json

Runs before the agent uses a tool for Edit, Write, MultiEdit, Edit and Write tool calls, executing pre-edit-context.py and scope-enforcement.ts via python3 (2 commands). From jayminwest/kotadb.

jayminwest/kotadb

Hook Claude Code

One of 5 in settings.json

Runs when a subagent starts for build and Explore tool calls, executing agent-context.py via python3. From jayminwest/kotadb.

jayminwest/kotadb

Hook Claude Code

One of 5 in settings.json

Runs when a session starts, executing session-expertise.py via python3. From jayminwest/kotadb.

vmihalis/hacker-bob

Hook Claude Code

One of 5 in settings.json

Runs before the agent uses a tool for Bash, Read, Grep, Write, Edit, MultiEdit, mcp__hacker-bob__bob_http_scan, mcp__hacker-bob__bob_write_wave_handoff, mcp__hacker-bob__bob_finalize_agent_run, Agent and Task tool calls, executing session-write-guard.sh, session-read-guard.sh, bob-http-write-confirm.sh and…

vmihalis/hacker-bob

Hook Claude Code

One of 5 in settings.json

Runs when a subagent starts for evaluator-agent, evaluator-fanout, evaluator-evm-agent, evaluator-svm-agent, evaluator-move-agent, evaluator-substrate-agent and evaluator-cosmwasm-agent tool calls, executing agent-run-start.js via node (7 commands). From vmihalis/hacker-bob.