janito 4.9.0

OpenAI CLI with Function Calling, MCP Support, and Extensible Tools

janito - a development agent with function calling, MCP and skills

📖 Full documentation available at https://ikignosis.org/janito/

Features

• 🔧 Function Calling - Built-in tools for file operations, web search, and more
• 📧 Gmail Integration - Read, search, and manage emails
• ☁️ OneDrive Integration - Browse, upload, download, and share files
• 🔌 MCP Support - Connect to Model Context Protocol servers
• 🧩 Skills - Install and use task-specific skills from GitHub
• 📊 Real-time Progress - Watch tool execution progress as it happens
• 🚀 Easy Setup - Interactive configuration with --config or quick setup with --set flags
• 🔗 Any OpenAI-Compatible API - Works with OpenAI, local servers (LM Studio, Ollama), and custom endpoints

NOTE: Janito should be used on development systems on which data loss is tolerable and there are no critical secrets

Quick Start

# Install
pip install janito

# Configure interactively
janito --config

# Or set options directly (two steps: config, then API key)
janito --set provider=openai --set model=gpt-4
janito --set-api-key="sk-your-key" --provider openai

# Start chatting
janito "Hello!"

Installation

From PyPI

pip install janito

For development setup, see README_DEV.md.

Configuration

Interactive Setup

janito --config

You'll be prompted for:

• Provider - openai or custom
• API Key - Masked for security
• Model - e.g., gpt-4, gpt-3.5-turbo
• Context Window - Max tokens (default: 65536)

Quick Configuration with --set

Set options directly from the command line:

# Single key-value
janito --set model=gpt-4

You can also use --get, --unset, and --set-secret with multiple values.

View Configuration

janito --show-config

Available Options

Option	Description	Example
provider	Provider name	openai, custom
model	Model name	gpt-4, claude-3-opus
context-window-size	Context window size	65536

For custom endpoints (base-url), see README_custom.md.

Usage

Single Prompt

janito "What is the capital of France?"

Pipe Input

echo "Tell me a joke" | janito

Interactive Chat

janito

Commands in chat mode:

• exit / quit - End session
• restart - Clear conversation history
• Ctrl+D / Ctrl+Z - Exit

System Prompt Options

Control how the system prompt is handled:

# Use default system prompt (with tools enabled)
janito "What can you do?"

# Disable system prompt entirely (no tools)
janito -Z "Simple prompt without system context"

# Override with a custom system prompt (no tools)
janito -S "You are a concise coding assistant" "Explain recursion"

Flag	Description
-Z, --no-system-prompt	Skip system prompt and disable tools
-S, --system-prompt	Custom system prompt (also disables tools)

Note: When using -S or -Z, built-in tools (file operations, Gmail, OneDrive, MCP) are disabled. Use the default mode or --gmail/--onedrive flags when you need tool access.

Logging

janito --log=info "Your prompt"      # Info level
janito --log=debug "Your prompt"     # Debug level
janito --log=info,debug "Your prompt" # Multiple levels

Examples

OpenAI

# Step 1: Set provider and model
janito --set provider=openai --set model=gpt-4
# Step 2: Store API key
janito --set-api-key="sk-your-key" --provider openai

# Then run any prompt
janito "Explain quantum computing"

Alibaba (Qwen)

# Step 1: Set provider and model
janito --set provider=alibaba --set model=qwen-plus
# Step 2: Store API key
janito --set-api-key="your-dashscope-api-key" --provider alibaba

# Then run any prompt
janito "Explain quantum computing"

Custom Endpoint

janito --set provider=custom --set base-url=http://localhost:8000/v1

Built-in Tools

janito includes tools for common tasks:

Email Integration (Gmail)

# Use Gmail in chat mode
janito --gmail

# Check emails
janito --gmail "Show my unread emails from today"

For full Gmail documentation, see README.gmail.md.

Cloud Storage (OneDrive)

# Authenticate with Microsoft OneDrive
janito --onedrive-auth

# Use OneDrive in chat mode
janito --onedrive

# List files
janito --onedrive "List my files in Documents"

For full OneDrive documentation, see README.onedrive.md.

File Operations

# List files
python -m janito.tools.files.list_files . --recursive --pattern "*.py"

# Read file
python -m janito.tools.files.read_file README.md --max-lines 20

MCP Tools

Connect to MCP servers using the /mcp command inside the interactive shell:

# Add a stdio-based MCP server
/mcp add myserver stdio python -m mcp.server

# Add an HTTP-based MCP server
/mcp add remote http https://api.example.com/mcp

# List configured servers
/mcp list

For full MCP documentation, see README_MCP.md.

Tool Progress Reporting

Tools report progress in real-time:

🔄 Reading files...
📊 Processing: 50/100 files
✅ Completed: 100 files (2.3MB)

Progress messages go to stderr so they don't interfere with tool output.

Error Handling

Exit Code	Meaning
0	Success
1	Configuration or runtime error
130	User cancelled (Ctrl+C)

Dependencies

• Python 3.10+
• openai>=1.0.0
• rich>=10.0.0
• prompt-toolkit>=3.0.0
• requests>=2.28.0 (for MCP support)
• pathspec>=0.11.0 (for .gitignore-aware file listing)

License

MIT License