What is agent-cross-check?
agent-cross-check is a Claude Code mod by naoanao that when another coding agent (or a person) commits to your repo, Claude notices, runs mechanical checks (line endings, secrets, .env files, and the agent's report against the real files:. It is listed under Security and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | naoanao |
| Repository | naoanao/agent-cross-check |
| Popularity | no public popularity data yet |
| Category | Security |
| Security | Low risk (84/100) |
| Rank | #4,078 of 5,272 Claude Code mods; #426 in Security |
| License | MIT |
| Last commit | 2026-10-18 |
| Hooks | 5 events |
| Sees | Bash calls, PowerShell calls, mcp__agent-cross-check__mark_reviewed calls |
| Draws on | AbovePrompt |
Is agent-cross-check safe to install?
agent-cross-check scores 84/100 on the MCPMods security check: Low risk. Things to review: starts processes outside the sandbox. It passed 6 of 8 checks.
Mod footprints come from claude plugin validate, which lists every event a mod hooks and every API call it makes without running it.
| Check | Result |
|---|---|
| No network access | Pass |
| Starts processes outside the sandbox | Review |
| Writes no files or config | Pass |
| Doesn't read environment variables | Pass |
| Only sees the events it hooks | Pass |
| Drives Claude (model calls, prompts) | Note |
| Passes claude plugin validate | Pass |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.clock.after | |
$.clock.every | |
$.clock.now | |
$.command.register | |
$.fs.stat | reads files |
$.process.run | runs processes |
$.prompt.fill | writes the prompt box |
$.prompt.submit | drives Claude |
$.session.usage | |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.tool.register | drives Claude |
$.ui.invalidate | draws interface |
$.ui.resolve | draws interface |
$.ui.toast | draws interface |
How do I install agent-cross-check?
- Check your Claude Code version. Mods need Claude Code 2.1.287 or later and are on by default.
claude --version
- Read its footprint. This lists every event it hooks and every API call it makes, without running it.
git clone https://github.com/naoanao/agent-cross-check claude plugin validate ./agent-cross-check/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add naoanao/agent-cross-check && claude plugin install agent-cross-check@agent-cross-check
Or ask Claude to set it up
Paste this into Claude Code and it installs agent-cross-check for you:
Install the "agent-cross-check" Claude Code mod from https://github.com/naoanao/agent-cross-check. Run claude plugin validate on it first and show me what it can access before you enable it.