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A simple Go-based CLI tool for interacting with the Anthropic API
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Leo Alho 981683a405
feat: Allow starting CLI without initial prompt (#2) 
Make the initial prompt optional. When no arguments are provided,
the CLI now goes directly to interactive mode instead of exiting.

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-29 15:06:30 +02:00
.env.example feat: Add logging 2026-01-14 15:14:30 +02:00
.gitignore feat: Add logging 2026-01-14 15:14:30 +02:00
go.mod Update go mod module name 2026-01-13 13:57:13 +02:00
go.sum Add Go implementation with streaming responses and rename to prompt 2026-01-13 10:22:27 +02:00
main.go feat: Allow starting CLI without initial prompt (#2) 2026-01-29 15:06:30 +02:00
main.sh Add Go implementation with streaming responses and rename to prompt 2026-01-13 10:22:27 +02:00
README.md feat: Add logging 2026-01-14 15:14:30 +02:00

README.md

Klod

Klod (pronounced \klod\), a simple Go-based CLI tool for interacting with the Anthropic API

Motivation

Sometimes you just need to quickly check/ask an LLM something. I basically live in the terminal so I want to avoid the context switch to a browser. Claude code on the other hand is a bit too eager to help (which has its benefits but no necessarily for your quick short messages). Therefore I quickly stiched together klod, originally in bash, still living as ./main.sh at the root of the project.

Features

  • Maintains conversation history within a session
  • Configurable model and system prompts

Requirements

Installation

  1. Clone and build:
git clone https://github.com/leoalho/klod.git
cd anthropic-cli
go build
  1. Create a symlink for global access:
sudo ln -s $(pwd)/klod /usr/local/bin/klod

Or install via Go:

go install

Configuration

The tool looks for configuration files in the following order:

  1. ~/.config/klod/config (XDG standard location)
  2. ~/.klod.env (home directory)
  3. .env in the current directory (for project-specific overrides)

Setup your config:

# Create the config directory
mkdir -p ~/.config/klod

# Create config file
cat > ~/.config/klod/config << EOF
ANTHROPIC_API_KEY=your-api-key-here
MODEL=claude-sonnet-4-5-20250929
SYSTEM_PROMPT=
KLOD_LOGS=false
KLOD_LOG_FILE=
EOF

Configuration options:

  • ANTHROPIC_API_KEY (required): Your Anthropic API key
  • MODEL (optional): Model to use (default: claude-sonnet-4-5-20250929)
  • SYSTEM_PROMPT (optional): Custom system prompt for Claude
  • KLOD_LOGS (optional): Enable conversation logging (default: false, set to "true" or "1" to enable)
  • KLOD_LOG_FILE (optional): Custom log file path (default: $XDG_STATE_HOME/klod/conversations.log or ~/.local/state/klod/conversations.log)

Usage

Start a conversation:

klod Hello, how are you?

This will:

  1. Send your initial message to Claude
  2. Stream the response in real-time
  3. Enter an interactive chat mode where you can continue the conversation

Type exit or quit to end the conversation.

Development

Run without building:

go run main.go your message here