Agent Toolkit for AWS includes 20+ agent skills, but your agent might not load them without this one file

AWS's new Agent Toolkit ships 20+ skills for AI coding agents — but documentation reveals a 17-line rules file is the deciding factor in whether your agent actually loads them. The piece is a sharp reminder that "agent skill packs" are not self-installing: agents need explicit co

The Toolkit is aimed at teams building on AWS Bedrock and Claude Code / Cursor / Codex-style agents. The rules file (a YAML/JSON config naming available skills, tool scopes, and default behaviors) is the de facto contract between AWS and the agent runtime. The piece walks through what a working rules file looks like, what breaks silently when it's wrong, and how teams can test skill loading in CI before shipping agent configurations.