Inject code-style, security, and testing rules into Claude's SessionStart context.
npx skills add https://github.com/JayJihyunKim/rein --skill rules-prompt
Please help me install this Agent Skill. Skill: rules-prompt Source: https://github.com/JayJihyunKim/rein/tree/main/plugins/rein-core/skills/rules-prompt Command: npx skills add https://github.com/JayJihyunKim/rein --skill rules-prompt
Claude Code deployments require consistent, enforced rules at session start to prevent prompt drift and unsafe prompts. This skill centralizes and enforces three guardrails—code-style, security, and testing—so teams can maintain policy compliance automatically.
Start a Claude Code session and ensure the session-start-rules.sh hook loads the three prompt rules into the SessionStart context.
High-intent search queries and answers about installing and using this skill.
To inject prompt rules at session start, use a shell hook that reads markdown policy files and emits them into the SessionStart context. This skill automates that by bundling code-style, security, and testing rules into the initialization workflow.
Enforcing coding standards and security policies in Claude Code requires centralizing guardrails in markdown files and loading them via a session-start hook. This skill provides a reusable policy bundle to automatically maintain compliance across tasks.
Yes, you can override specific prompt rules by configuring a YAML policy file. This skill supports per-rule overrides via a designated rules.yaml file, allowing teams to customize coding standards, security, and testing policies per project.
You update prompt rules by editing the respective markdown content files for code-style, security, and testing. The session-start shell hook reads these markdown files directly, so changes apply automatically the next time a Claude Code session initializes.
Yes, this prompt rule injection approach works without external dependencies. It uses a standalone shell script to read markdown files and emit additional context, requiring no additional packages or libraries to enforce policies in the Claude Code environment.
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