Guides
Keeping API keys safe when you work with AI agents.
Keep API keys out of Claude Code
Use your API keys with Claude Code without them sitting in files, prompts or its context.
.env files and AI coding agents
Why keys in .env files are exposed once an agent works in your project, and how to move them out.
Keep MCP server secrets out of config files
Give MCP servers the tokens they need without writing them into JSON config files.
Run scripts with API keys from Claude Desktop
Let Claude Desktop run your scripts with their keys on a normal subscription, without seeing the keys.