Hooks

Where it lives

• hooks/claude-prompt-hook.jsRunsGitHub ↗
  Read the script

  #!/usr/bin/env node
  'use strict';
  
  const fs = require('node:fs');
  const os = require('node:os');
  const path = require('node:path');
  
  const SESSION_ID_KEYS = ['session_id', 'sessionId'];
  const TOOL_NAME_KEYS = ['tool_name', 'toolName'];
  const TOOL_INPUT_KEYS = ['tool_input', 'toolInput'];
  
  function readStdin() {
    if (process.stdin.isTTY) return {};
    try {
      const raw = fs.readFileSync(0, 'utf8').trim();
      return raw ? JSON.parse(raw) : {};
    } catch {
      return {};
    }
  }
  
  function pick(obj, keys) {
    if (!obj || typeof obj !== 'object' || Array.isArray(obj)) return undefined;
    for (const key of keys) {
      if (obj[key] !== undefined && obj[key] !== null && obj[key] !== '') return obj[key];
    }
    return undefined;
  }
  
  function sanitizeSessionId(raw) {
    if (typeof raw !== 'string') return null;
    const clean = raw.replace(/[^a-zA-Z0-9\-]/g, '');
    return clean.length > 0 ? clean : null;
  }
  
  const input = readStdin();
  const rawSessionId = pick(input, SESSION_ID_KEYS) ?? process.env.CLAUDE_SESSION_ID;
  const sessionId = sanitizeSessionId(rawSessionId);
  
  if (!sessionId) {
    process.exit(0);
  }
  
  const toolName = String(pick(input, TOOL_NAME_KEYS) ?? '');
  const toolInput = pick(input, TOOL_INPUT_KEYS) ?? {};
  
  const entry = {
    sessionId,
    toolName,
    toolInput,
    timestamp: new Date().toISOString(),
  };
  
  try {
    const promptsDir = path.join(os.homedir(), '.ai-devkit', 'agent-requests');
    fs.mkdirSync(promptsDir, { recursive: true });
    fs.writeFileSync(path.join(promptsDir, `${sessionId}.json`), JSON.stringify(entry, null, 2), 'utf8');
  } catch {
    // Never disrupt Claude Code
  }
  
  process.exit(0);
  

Read the script before you install anything that runs on your machine. This is the one part of a plugin that acts without being asked.