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Install CLI Explainer using Winget - wingetCollections
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CLI Explainer Pranav Peshwe

cli copilot dotnet error-explanation terminal
Use this command to install CLI Explainer:
winget install --id=PranavPeshwe.CliExplainer -e

CLI Explainer is a lightweight .NET 8 console application designed to simplify terminal/CLI error resolution by translating technical errors into plain English and offering actionable fixes. It leverages the GitHub Copilot SDK to analyze error output through an LLM, providing structured diagnoses with root causes and solutions.

Key Features:

  • Translates complex CLI errors into clear, plain-English explanations.
  • Interactive prompt loop for follow-up questions after initial analysis.
  • Supports piped input, file input, and direct subprocess execution.
  • Ability to specify different AI models for error analysis.
  • Debug mode for internal Copilot SDK diagnostics.

Audience & Benefit: Ideal for developers, system administrators, and CLI tool users who encounter perplexing terminal errors. By providing actionable fixes and reducing the learning curve associated with troubleshooting complex CLI tools, CLI Explainer helps users resolve issues more efficiently and accelerates problem-solving workflows.

Installable via winget, CLI Explainer is a portable solution that streamlines error resolution directly from the command line.

README

CLI Explainer

A lightweight .NET 8 console application that explains terminal/CLI errors in plain English and provides actionable fixes. It sends error output to an LLM via the GitHub Copilot SDK, then enters an interactive prompt loop for follow-up questions.

Installation

Windows (via winget)

winget install PranavPeshwe.CliExplainer

This installs cli-explainer as a portable executable and adds it to your PATH.

Manual Download

Download the latest release for your platform from the Releases page:

PlatformArchive
Windows x64cli-explainer-win-x64.zip
Linux x64cli-explainer-linux-x64.zip
macOS ARM64cli-explainer-osx-arm64.zip

Extract the archive and place the executable in a directory on your PATH.

Prerequisites

  • .NET 8 SDK or later
  • GitHub Copilot CLI installed and authenticated

Usage

CLI Explainer reads error text from piped stdin, a file, or by running a command directly. It analyzes the error with an LLM and streams a structured diagnosis with a Root Cause and Fix.

cli-explainer [options]
cli-explainer [options] --  [command-args...]

Options

FlagDescription
-f, --file Read error text from a file
-c, --command Provide the command that caused the error (gives the LLM better context)
-m, --model Override the default AI model
--list-modelsList all available models and exit
--debugPrint internal Copilot SDK diagnostic events to stderr
Versions
1.0.1
Website
github.com
License
Last updated
3/3/2026
Download latest version
--
Execute `` as a subprocess; on failure, analyze its output

Input Sources

  • Piped input: some_command 2>&1 | cli-explainer
  • File input: cli-explainer -f error.log
  • Subprocess execution: cli-explainer -- dotnet build

When input is piped, the tool prints the analysis and exits. When input is read from a file or a subprocess fails, an interactive REPL starts after the initial analysis, allowing follow-up questions. In subprocess mode, if the command succeeds (exit code 0), nothing is printed. Type exit, quit, or press Ctrl+C to end the session.

Examples

Pipe a failing command's output directly:

dotnet build 2>&1 | cli-explainer -c "dotnet build"

Read error output from a file with a command for context:

cli-explainer -f build-errors.log -c "npm install"

Use a specific model:

cli-explainer -f error.txt -m gpt-5

List available models:

cli-explainer --list-models

Run a command and analyze errors automatically:

cli-explainer -- dotnet build
cli-explainer --debug -- npm install
cli-explainer -m gpt-5 -- dotnet test CliExplainer.sln --filter "Category!=Integration"

Everything after -- is passed to the subprocess. Flags like --debug or -m must appear before --.

Building

# Restore and build
dotnet build CliExplainer.sln

# Publish as a single-file executable (Windows x64)
dotnet publish src/CliExplainer -c Release -r win-x64

# Publish for Linux x64
dotnet publish src/CliExplainer -c Release -r linux-x64

# Publish for macOS ARM
dotnet publish src/CliExplainer -c Release -r osx-arm64

The published binary will be in src/CliExplainer/bin/Release/net8.0//publish/.

Running Tests

# Run all tests (requires Copilot CLI installed and authenticated)
dotnet test CliExplainer.sln

# Run only unit tests (no Copilot CLI needed)
dotnet test CliExplainer.sln --filter "Category!=Integration"

# Run only integration tests
dotnet test CliExplainer.sln --filter "Category=Integration"

Project Structure

CliExplainer.sln                  Solution file
src/CliExplainer/
  CliExplainer.csproj              Main project
  Program.cs                       Entry point, input reading, REPL loop
  CopilotService.cs                GitHub Copilot SDK wrapper
  ArgumentParser.cs                CLI argument parsing
  SubprocessRunner.cs              Subprocess execution and output capture
tests/CliExplainer.Tests/
  CliExplainer.Tests.csproj        Test project (xUnit)
  CopilotServiceTests.cs           Unit and integration tests