ControlAgentNet.Guards 0.1.5

dotnet add package ControlAgentNet.Guards --version 0.1.5
                    
NuGet\Install-Package ControlAgentNet.Guards -Version 0.1.5
                    
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="ControlAgentNet.Guards" Version="0.1.5" />
                    
For projects that support PackageReference, copy this XML node into the project file to reference the package.
<PackageVersion Include="ControlAgentNet.Guards" Version="0.1.5" />
                    
Directory.Packages.props
<PackageReference Include="ControlAgentNet.Guards" />
                    
Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package.
paket add ControlAgentNet.Guards --version 0.1.5
                    
#r "nuget: ControlAgentNet.Guards, 0.1.5"
                    
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
#:package ControlAgentNet.Guards@0.1.5
                    
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package.
#addin nuget:?package=ControlAgentNet.Guards&version=0.1.5
                    
Install as a Cake Addin
#tool nuget:?package=ControlAgentNet.Guards&version=0.1.5
                    
Install as a Cake Tool

ControlAgentNet.Guards

Tool execution guards for ControlAgentNet agents.

Features

  • RiskDenyGuard - Block tools by risk level
  • ToolAllowlistGuard - Only allow specific tools
  • Configurable order for guard execution
  • Exemption support for risk-based guards
  • FrozenSet for efficient lookups
  • Zero external dependencies beyond Microsoft.Extensions.Options
  • Composable and extensible

Installation

dotnet add package ControlAgentNet.Guards

RiskDenyGuard

Blocks tools that exceed a configurable risk threshold.

using ControlAgentNet.Guards;
using ControlAgentNet.Core.Descriptors;

builder.Services.AddRiskDenyGuard(opts =>
{
    opts.MinimumDeniedRiskLevel = CapabilityRiskLevel.High;
    opts.ExemptToolIds = new[] { "admin_tool", "safe_tool" };
    opts.Order = 10;
});

Options

Property Default Description
MinimumDeniedRiskLevel High Minimum risk level to block
ExemptToolIds empty Tools to exempt from blocking
Order 10 Execution order

ToolAllowlistGuard

Only allows specific tools to execute.

using ControlAgentNet.Guards;

builder.Services.AddToolAllowlistGuard(opts =>
{
    opts.AllowedToolIds = new[] { "greeting", "search", "weather" };
    opts.TreatEmptyAllowlistAsAllowAll = false;
    opts.Order = 20;
});

Options

Property Default Description
AllowedToolIds empty List of allowed tool IDs
TreatEmptyAllowlistAsAllowAll false Allow all if list is empty
Order 20 Execution order

Custom Guards

using ControlAgentNet.Core.Abstractions;
using ControlAgentNet.Core.Models;

public class RoleGuard : IToolGuard
{
    public int Order => 5;

    public Task<ToolGuardDecision> EvaluateAsync(
        ToolExecutionRequest request, 
        CancellationToken ct)
    {
        if (!user.IsAdmin)
            return Task.FromResult(ToolGuardDecision.Deny("Admin only"));
        return Task.FromResult(ToolGuardDecision.Allow());
    }

    public Task<bool> CanExecuteAsync(
        string toolName, 
        IDictionary<string, object?>? arguments, 
        string conversationId, 
        string userId, 
        CancellationToken ct)
        => Task.FromResult(true);

    public string GetDenialReason(string toolName) 
        => $"Tool '{toolName}' requires admin role.";
}

builder.Services.AddToolGuard<RoleGuard>();

Build

dotnet restore ControlAgentNet.Guards.slnx
dotnet build ControlAgentNet.Guards.slnx -c Release
dotnet test ControlAgentNet.Guards.slnx -c Release --no-build
dotnet pack ControlAgentNet.Guards.slnx -c Release -o artifacts/nuget

Versioning

  • local builds: 0.1.5-dev
  • pull requests: 0.1.5-preview.<run_number>
  • pushes to main: 0.1.5-alpha.<run_number>
  • tags like v0.1.5: exact stable package version 0.1.5

See VERSIONING.md for the release flow.

Product Compatible and additional computed target framework versions.
.NET net10.0 is compatible.  net10.0-android was computed.  net10.0-browser was computed.  net10.0-ios was computed.  net10.0-maccatalyst was computed.  net10.0-macos was computed.  net10.0-tvos was computed.  net10.0-windows was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages (1)

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ControlAgentNet.Guards.Policies

Package Description

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Version Downloads Last Updated
0.1.5 110 4/15/2026
0.1.4 113 4/15/2026