Blog

Ideas, updates, and the thinking behind what we build.

NoxKeyApril 14, 2026

How to Keep Your API Keys Safe When Using Cursor

Cursor indexes your workspace for AI suggestions. If your .env file is in the workspace, your secrets are in the index. Here's the fix.

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NoxKeyApril 11, 2026

Claude Code Security Best Practices — Protect Your Secrets and Your Codebase

Claude Code has full file system access. Here's how to use it safely — from .env protection to hook-based DLP scanning.

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NoxKeyApril 8, 2026

Using MCP to Give AI Agents Safe Access to Secrets

The Model Context Protocol lets AI tools call external services. Here's how to use it for secrets without exposing raw values.

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NoxKeyApril 5, 2026

Free Alternatives to 1Password CLI for macOS Developers

1Password CLI costs $36/year. Here are free options that store secrets just as securely — including one that adds AI agent protection.

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NoxKeyApril 2, 2026

The 5 Best macOS Secrets Managers for Developers in 2026

We tested every macOS secrets manager worth using. Here's what actually works for developer workflows — and what doesn't.

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NoxKeyMarch 26, 2026

The Best dotenv Alternatives in 2026 — And Why .env Files Need to Go

dotenv served us well. But with AI agents reading project files, plaintext secrets are a liability. Here are 6 better options.

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NoxKeyMarch 24, 2026

The Encrypted Handoff — How to Give AI Agents Secrets Without Exposing Them

Your AI agent needs your API key but shouldn't see it. Here's the pattern: detect the agent, encrypt the value, deliver via self-deleting script.

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NoxKeyMarch 21, 2026

Why We Deleted Every .env File — And What Replaced Them

47 .env files, duplicated API keys, expired tokens. We replaced them all with macOS Keychain storage. Here's the full migration.

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NoxKeyMarch 18, 2026

macOS Keychain Tutorial for Developers — Store API Keys the Right Way

Your Mac has a hardware-encrypted credential store. Here's how to use it for API keys, tokens, and secrets instead of .env files.

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NoxKeyMarch 15, 2026

NoxKey — A macOS Secrets Manager With Touch ID and AI Agent Detection

Store API keys in macOS Keychain with Touch ID. NoxKey detects AI agents automatically and delivers secrets via encrypted handoff.

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GeneralMarch 14, 2026

Small team, sharp tools

How a two-person indie studio ships 5 products. Our stack, process, and the opinions we've earned building developer tools.

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NoxKeyMarch 11, 2026

How to Protect Your API Keys From AI Coding Agents

AI agents can read every .env file on your machine. Here are 5 concrete ways to stop them from exposing your secrets.

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NoxKeyMarch 7, 2026

How We Built Process-Tree Agent Detection

Walk the macOS process tree to detect AI agents requesting secrets, then switch to encrypted handoff. Here's the full implementation.

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NoxKeyMarch 4, 2026

Yes, AI Agents Can Read Your .env Files — Here's What to Do About It

Claude Code, Cursor, and Copilot have full file system access. Your .env files are plaintext. Do the math.

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NoxKeyFebruary 28, 2026

6 Ways AI Agents Leak Your API Keys and Secrets

AI coding agents read .env files, echo credentials in debug output, and store tokens in logs. Here's how each leak happens and how to fix it.

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GeneralFebruary 27, 2026

Building tools we actually use

Every tool we ship started as something we needed. Why dogfooding builds better developer tools than user research alone.

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NoxKeyFebruary 14, 2026

The Developer's Guide to Credential Hygiene

12.8 million secrets leaked on GitHub in 2024. Most weren't hacks — they were habits. Here are the 7 worst and how to fix them.

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NoxKeyFebruary 7, 2026

How Touch ID Protects Your API Keys — A Hardware Security Boundary

Touch ID uses the Secure Enclave for per-access biometric auth on every secret. No unlock window. No master password. Silicon, not software.

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GeneralJanuary 28, 2026

Native Apps Aren't Nostalgia. They're an Advantage.

15x smaller, 8x less memory, 9x faster startup. Native macOS apps outperform Electron on every metric that matters.

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NoxKeyJanuary 24, 2026

macOS Keychain for Developers: A Practical Guide

Your Mac has an encrypted, hardware-backed credential store with Touch ID. Here's how to actually use it for API keys and secrets.

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NoxKeyJanuary 10, 2026

Stop Putting API Keys in .env Files — Use Your OS Keychain Instead

The dotenv pattern has no encryption, no auth, no access control. In 2026, with AI agents reading project files, it is a liability.

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GeneralJanuary 8, 2026

We Left Bubble. Here's Why We Bet on AI-Native Code.

No-code got us started. AI coding let us leave. Here's what changed and why the complexity ceiling is real.

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GeneralNovember 15, 2025

Why we design for how people think, not what software can do

Cognitive load kills products. We use psychology — Hick's Law, visual grouping — to build interfaces that feel effortless.

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