# ironcurtain

A secure\* runtime for autonomous AI agents, where security policy is derived from a human-readable constitution. _\*When someone writes "secure," you should immediately be skeptical. What do we mean by secure?_

- Tier: Indexed (plain plugin)
- Category: Security
- Page: https://www.flowy.sh/listings/provos-ironcurtain
- Source: https://github.com/provos/ironcurtain
- Price: free and open source

## Summary
ironcurtain is a Claude Code plugin with 7 hand-picked skills, indexed on Flowy in the Security category. Install it with the command on its page. It includes email-formatting, gmail-query-syntax, json-schema-emails. Its skills do not fire on their own yet. Request auto-invocation to have Flowy route them as you prompt. Free and open source.

## Install (Claude Code)
```
npx -y skills add provos/ironcurtain --agent claude-code
```

## Skills
- email-formatting
- gmail-query-syntax
- json-schema-emails
- summary-style-guide
- harness-design-fuzzing
- memory-safety-c-cpp
- vulnerability-triage

## FAQ

### What is ironcurtain?
A secure\* runtime for autonomous AI agents, where security policy is derived from a human-readable constitution. _\*When someone writes "secure," you should immediately be skeptical. What do we mean by secure?_

### How do I install ironcurtain?
Run these in Claude Code: npx -y skills add provos/ironcurtain --agent claude-code. Then prompt normally.

### Does ironcurtain auto-invoke its skills?
Not yet. It is indexed on Flowy as a plain plugin. Request auto-invocation on its page and Flowy will route its skills for you as you prompt.

### Is ironcurtain free?
Yes. Flowy is free and open source, with nothing gated. You can read every skill in full before you install.