Reliable permission system for Claude Code using PreToolUse hooks

Spend-firewall hooks for AI agent frameworks. Binds Vaduno policy to decide-only tool-approval hooks (Claude Agent SDK PreToolUse and friends) via authorize/settle. Never holds funds or keys to funds.

Claude Code-compatible hooks runner for pi. Reads .pi/hooks.json and maps SessionStart, PreToolUse, and Stop events to pi lifecycle events.

The Claude Code Adapter: constrains the Claude Code Agent Runtime to the active Fil Phase (allowedTools via a PreToolUse hook, instructions, context, skills) and installs through Claude Code's native settings channel.

Filepad Claude Code hook adapter — PreToolUse/PostToolUse/Stop hooks for live contract enforcement.

PreToolUse hook that enforces filesystem permissions per project

Weave Protocol adapter for Google Antigravity - enforces WARD.md policies via Antigravity's PreToolUse hook system

Standalone, agent-agnostic PreToolUse safety gate for Claude Code: an autonomy-tier policy engine, a fail-closed bash allowlist, and a hook that turns dangerous tool calls into one-shot approvals.

Claude Code hooks for NMforge — SessionStart, PreSkill (PreToolUse for Skill), PostToolUse.

Claude Code PreToolUse hook that auto-approves safe tool calls and flags risky ones

GitHub Copilot Coding Agent preToolUse hook — scans every tool call through Interven before execution. Allow/deny enforcement with no agent code change.

SENNA Hook System — PreToolUse, PostToolUse, Stop, SubagentStop

PermAegis × Anthropic Claude Agent SDK — wire the live OCap gate into a PreToolUse hook or a canUseTool permission callback in one line.

Less hallucinations. A command firewall for Claude Code: validates every shell command before execution, so fabricated commands are denied before they run.

Claude Code PreToolUse hook that auto-approves composed Bash commands when every segment is individually covered by the permissions.allow list

PreToolUse hooks for Claude Code on Windows — auto-fixes Git Bash/MSYS2 mistakes

Claude Code skill for Wardex wallet security - auto-activates on crypto transactions with PreToolUse hooks

A PreToolUse hook for Claude Code that provides granular control over which tools Claude can use

Claude Code skill drop-in for NEAT — wires the @neat.is/mcp server into Claude's MCP config

Claude Code PreToolUse hook for Interven. Scans every Claude Code tool call (Read/Write/Edit/Bash/Glob/Grep/MCP) through Interven before execution. Blocks .env reads, denies destructive shell, redacts secrets — no agent code change.