@mirror-vs/cli

Command Line Interface for Mirror VS - Run the Mirror VS agent from the terminal without VSCode.

Overview

This CLI uses the @mirror-vs/vscode-shim package to provide a VSCode API compatibility layer, allowing the main Mirror VS extension to run in a Node.js environment.

Installation

Quick Install (Recommended)

Install the Mirror VS CLI with a single command:

curl -fsSL https://raw.githubusercontent.com/ReflectAIs/mirror-vs/main/apps/cli/install.sh | sh

Requirements:

• Node.js 20 or higher
• macOS Apple Silicon (M1/M2/M3/M4) or Linux x64

Custom installation directory:

MIRROR_INSTALL_DIR=/opt/mirror-code MIRROR_BIN_DIR=/usr/local/bin curl -fsSL ... | sh

Install a specific version:

MIRROR_VERSION=0.1.0 curl -fsSL https://raw.githubusercontent.com/ReflectAIs/mirror-vs/main/apps/cli/install.sh | sh

Updating

Re-run the install script to update to the latest version:

curl -fsSL https://raw.githubusercontent.com/ReflectAIs/mirror-vs/main/apps/cli/install.sh | sh

Or run:

mirror upgrade

Uninstalling

rm -rf ~/.mirror/cli ~/.local/bin/mirror

Usage

Interactive Mode (Default)

By default, the CLI auto-approves actions and runs in interactive TUI mode:

export OPENROUTER_API_KEY=sk-or-v1-...

mirror "What is this project?" -w ~/Documents/my-project

You can also run without a prompt and enter it interactively in TUI mode:

mirror -w ~/Documents/my-project

In interactive mode:

• Tool executions are auto-approved
• Commands are auto-approved
• Followup questions show suggestions with a 60-second timeout, then auto-select the first suggestion
• Browser and MCP actions are auto-approved

Approval-Required Mode (--require-approval)

If you want manual approval prompts, enable approval-required mode:

mirror "Refactor the utils.ts file" --require-approval -w ~/Documents/my-project

In approval-required mode:

• Tool, command, browser, and MCP actions prompt for yes/no approval
• Followup questions wait for manual input (no auto-timeout)

Print Mode (--print)

Use --print for non-interactive execution and machine-readable output:

# Prompt is required
mirror --print "Summarize this repository"

# Create a new task with a specific session ID (UUID)
mirror --print --create-with-session-id 018f7fc8-7c96-7f7c-98aa-2ec4ff7f6d87 "Summarize this repository"

Stdin Stream Mode (--stdin-prompt-stream)

For programmatic control (one process, multiple prompts), use --stdin-prompt-stream with --print. Send NDJSON commands via stdin:

printf '{"command":"start","requestId":"1","prompt":"1+1=?"}\n' | mirror --print --stdin-prompt-stream --output-format stream-json

# Optional: provide taskId per start command
printf '{"command":"start","requestId":"1","taskId":"018f7fc8-7c96-7f7c-98aa-2ec4ff7f6d87","prompt":"1+1=?"}\n' | mirror --print --stdin-prompt-stream --output-format stream-json

Options

| Option | Description | Default | | --------------------------------------- | --------------------------------------------------------------------------------------- | --------------------------- | | [prompt] | Your prompt (positional argument, optional) | None | | --prompt-file <path> | Read prompt from a file instead of command line argument | None | | --create-with-session-id <session-id> | Create a new task using the provided session ID (UUID) | None | | -w, --workspace <path> | Workspace path to operate in | Current directory | | -p, --print | Print response and exit (non-interactive mode) | false | | --stdin-prompt-stream | Read NDJSON control commands from stdin (requires --print) | false | | -e, --extension <path> | Path to the extension bundle directory | Auto-detected | | -d, --debug | Enable debug output (includes detailed debug information, prompts, paths, etc) | false | | -a, --require-approval | Require manual approval before actions execute | false | | -k, --api-key <key> | API key for the LLM provider | From env var | | --provider <provider> | API provider (anthropic, openai, openrouter, etc.) | openrouter | | -m, --model <model> | Model to use | anthropic/claude-opus-4.6 | | --mode <mode> | Mode to start in (code, architect, ask, debug, etc.) | code | | --terminal-shell <path> | Absolute shell path for inline terminal command execution | Auto-detected shell | | -r, --reasoning-effort <effort> | Reasoning effort level (unspecified, disabled, none, minimal, low, medium, high, xhigh) | medium | | --consecutive-mistake-limit <n> | Consecutive error/repetition limit before guidance prompt (0 disables the limit) | 10 | | --ephemeral | Run without persisting state (uses temporary storage) | false | | --oneshot | Exit upon task completion | false | | --output-format <format> | Output format with --print: text, json, or stream-json | text |

Environment Variables

The CLI will look for API keys in environment variables if not provided via --api-key:

| Provider | Environment Variable | | ----------------- | --------------------------- | | anthropic | ANTHROPIC_API_KEY | | openai-native | OPENAI_API_KEY | | openrouter | OPENROUTER_API_KEY | | gemini | GOOGLE_API_KEY | | vercel-ai-gateway | VERCEL_AI_GATEWAY_API_KEY |

Architecture

┌─────────────────┐
│   CLI Entry     │
│   (index.ts)    │
└────────┬────────┘
         │
         ▼
┌─────────────────┐
│  ExtensionHost  │
│  (extension-    │
│   host.ts)      │
└────────┬────────┘
         │
    ┌────┴────┐
    │         │
    ▼         ▼
┌───────┐  ┌──────────┐
│vscode │  │Extension │
│-shim  │  │ Bundle   │
└───────┘  └──────────┘

How It Works

1. CLI Entry Point (index.ts): Parses command line arguments and initializes the ExtensionHost

2. ExtensionHost (extension-host.ts):

   • Creates a VSCode API mock using @mirror-vs/vscode-shim
   • Intercepts require('vscode') to return the mock
   • Loads and activates the extension bundle
   • Manages bidirectional message flow

3. Message Flow:

   • CLI → Extension: emit("webviewMessage", {...})
   • Extension → CLI: emit("extensionWebviewMessage", {...})

Development

# Run directly from source (no build required)
pnpm dev --provider openrouter --api-key $OPENROUTER_API_KEY --print "Hello"

# Run tests
pnpm test

# Type checking
pnpm check-types

# Linting
pnpm lint

Releasing

Official releases are created via the GitHub Actions workflow at .github/workflows/cli-release.yml.

To trigger a release:

1. Go to Actions → CLI Release
2. Click Run workflow
3. Optionally specify a version (defaults to package.json version)
4. Click Run workflow

The workflow will:

1. Build the CLI on all platforms (macOS Apple Silicon, Linux x64)
2. Create platform-specific tarballs with bundled ripgrep
3. Verify each tarball
4. Create a GitHub release with all tarballs attached

Local Builds

For local development and testing, use the build script:

# Build tarball for your current platform
./apps/cli/scripts/build.sh

# Build and install locally
./apps/cli/scripts/build.sh --install

# Fast build (skip verification)
./apps/cli/scripts/build.sh --skip-verify