--- title: "Nex Tools (@nextools) | Hashnode" description: "Angel Numbers + Human Design - practical self-discovery tools. Read the latest articles by Nex Tools on Hashnode." url: "https://hashnode.com/@nextools" --- @nextools # Nex Tools @nextools · Tel Aviv, Israel · Joined April 2026 Angel Numbers + Human Design - practical self-discovery tools [Website](https://nex-link-hub.base44.app/) ### [Claude Code for TypeScript Migrations: How I Converted a 200,000-Line JavaScript Codebase Without Stopping Shipping](https://nextools.hashnode.dev/claude-code-for-typescript-migrations-how-i-converted-a-200000-line-javascript-codebase-without-stopping-shipping?utm_source=hashnode&utm_medium=feed) The first time I tried to migrate a large JavaScript codebase to TypeScript, I made the classic mistake. I planned a six-week migration project, kicked off with a team meeting, started at the top of the directory tree, and got about 4% through before... 16 min read · [nextools.hashnode.dev](https://nextools.hashnode.dev/claude-code-for-typescript-migrations-how-i-converted-a-200000-line-javascript-codebase-without-stopping-shipping?utm_source=hashnode&utm_medium=feed) [May 11](https://hashnode.com/posts/claude-code-for-typescript-migrations-how-i-converted-a-200000-line-javascript-codebase-without-stopping-shipping/6a01d5f857ec775c2e09d7db) ### [Claude Code for Dependency Management: How I Stopped Being Afraid of npm Update](https://nextools.hashnode.dev/claude-code-for-dependency-management-how-i-stopped-being-afraid-of-npm-update?utm_source=hashnode&utm_medium=feed) Every developer I know has a story about dependency hell. Mine was a Friday afternoon in 2024 when I ran npm update on a project I had inherited, and the entire test suite turned red. Not a few tests. Every single test. The diff was 400 packages chan... 16 min read · [nextools.hashnode.dev](https://nextools.hashnode.dev/claude-code-for-dependency-management-how-i-stopped-being-afraid-of-npm-update?utm_source=hashnode&utm_medium=feed) [May 11](https://hashnode.com/posts/claude-code-for-dependency-management-how-i-stopped-being-afraid-of-npm-update/6a01d5e9048a986869c5e36b) ### [Claude Code for Incident Response: How I Cut My Mean Time to Recovery in Half](https://nextools.hashnode.dev/claude-code-incident-response-mttr?utm_source=hashnode&utm_medium=feed) It is 3 AM. PagerDuty is screaming. Production is down. You are half-awake, half-dressed, and trying to figure out which of the 47 dashboards in your monitoring system is showing the actual problem versus a downstream symptom of the actual problem. Y... 14 min read · [nextools.hashnode.dev](https://nextools.hashnode.dev/claude-code-incident-response-mttr?utm_source=hashnode&utm_medium=feed) [May 10](https://hashnode.com/posts/claude-code-incident-response-mttr/6a0060fbcd25da985c49e76f) ### [Claude Code for Security Audits: How I Catch Vulnerabilities Before They Cost Me](https://nextools.hashnode.dev/claude-code-security-audits-vulnerabilities?utm_source=hashnode&utm_medium=feed) Three years ago a junior engineer on a team I was advising committed an environment file to a public GitHub repository. The file contained an AWS access key with admin permissions on a production account. The key was harvested by an automated scanner... 14 min read · [nextools.hashnode.dev](https://nextools.hashnode.dev/claude-code-security-audits-vulnerabilities?utm_source=hashnode&utm_medium=feed) [May 10](https://hashnode.com/posts/claude-code-security-audits-vulnerabilities/6a0060ef72c70dfc8b791722) ### [Claude Code for Documentation Generation: How I Stopped Shipping Code Nobody Could Read](https://nextools.hashnode.dev/claude-code-for-documentation-generation-how-i-stopped-shipping-code-nobody-could-read?utm_source=hashnode&utm_medium=feed) Two years ago I inherited a project from an engineer who had left the company. The codebase was clean. The test coverage was reasonable. The architecture was defensible. The documentation was a single README that said "TODO: write docs." There were 2... 14 min read · [nextools.hashnode.dev](https://nextools.hashnode.dev/claude-code-for-documentation-generation-how-i-stopped-shipping-code-nobody-could-read?utm_source=hashnode&utm_medium=feed) [May 8](https://hashnode.com/posts/claude-code-for-documentation-generation-how-i-stopped-shipping-code-nobody-could-read/69fda650a6365f430bd24734)