Borrowing it
Nothing to install: this file belongs to antosubash/SimpleModule. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/antosubash/SimpleModule/main/.claude/skills/new-module/SKILL.mdgit clone --depth 1 https://github.com/antosubash/SimpleModuleWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/antosubash/simplemodule/new-module)<a href="https://agentmods.dev/skills/antosubash/simplemodule/new-module"><img src="https://agentmods.dev/badge/skills/antosubash/simplemodule/new-module/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/antosubash/simplemodule/new-module"><img src="https://agentmods.dev/badge/skills/antosubash/simplemodule/new-module.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00035 | $0.01231 |
| Opus 5.5 | $0.00014 | $0.00492 |
| Sonnet 5.5 | $0.00007 | $0.00246 |
| Haiku 4.5 | $0.00003 | $0.00123 |
Grade A, and why
new-module scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 154 lines — stays where its author put it; the contents beside it link to each section on GitHub.
New Module Scaffolding
When the user asks to create a new module, follow these steps exactly.
Required Input
- Module name (e.g., "Payments")
Steps
1. Create Contracts Project
Create modules/<Name>/src/SimpleModule.<Name>.Contracts/:
SimpleModule..Contracts.csproj:
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net10.0</TargetFramework>
<OutputType>Library</OutputType>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\..\..\..\framework\SimpleModule.Core\SimpleModule.Core.csproj" />
</ItemGroup>
</Project>
Constants.cs:
namespace SimpleModule.<Name>.Contracts;
public static class <Name>Constants
{
public const string ModuleName = "<Name>";
public const string RoutePrefix = "/api/<name-lowercase>";
}
IContracts.cs:
using System.Diagnostics.CodeAnalysis;
namespace SimpleModule.<Name>.Contracts;
[SuppressMessage("Design", "CA1040:Avoid empty interfaces", Justification = "Contracts placeholder")]
public interface I<Name>Contracts
{
}
2. Create Implementation Project
Create modules/<Name>/src/SimpleModule.<Name>/:
SimpleModule..csproj:
<Project Sdk="Microsoft.NET.Sdk.StaticWebAssets">
<PropertyGroup>
<TargetFramework>net10.0</TargetFramework>
</PropertyGroup>
<ItemGroup>
<FrameworkReference Include="Microsoft.AspNetCore.App" />
<ProjectReference Include="..\..\..\..\framework\SimpleModule.Core\SimpleModule.Core.csproj" />
<!-- Add only if the module owns a DbContext:
<ProjectReference Include="..\..\..\..\framework\SimpleModule.Database\SimpleModule.Database.csproj" /> -->
<ProjectReference Include="..\SimpleModule.<Name>.Contracts\SimpleModule.<Name>.Contracts.csproj" />
</ItemGroup>
</Project>
Module.cs:
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using SimpleModule.Core;
using SimpleModule.Core.Menu;
using SimpleModule.<Name>.Contracts;
namespace SimpleModule.<Name>;
[Module(<Name>Constants.ModuleName, RoutePrefix = <Name>Constants.RoutePrefix, ViewPrefix = "/<name-lowercase>")]
public class <Name>Module : IModule
{
public void ConfigureServices(IServiceCollection services, IConfiguration configuration)
{
services.AddScoped<I<Name>Contracts, <Name>ContractsService>();
}
public void ConfigureMenu(IMenuBuilder menus)
{
menus.Add(
new MenuItem
{
Label = "<Name>",
Url = "/<name-lowercase>",
Icon = """<svg class="w-4 h-4" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path d="M4 6h16M4 12h16M4 18h16"/></svg>""",
Order = 50,
Section = MenuSection.AppSidebar,
}
);
}
}
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 1mo ago First seen · 154 lines · 35 tokens per session scan A 0a00360ca16c
new-module is a skill published in the GitHub repository antosubash/SimpleModule (5 stars, last pushed 19d ago), licensed MIT. It adds 35 tokens to every session and 1,231 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-04.
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