Merobox CLI

A Python CLI for managing Calimero nodes (Docker or native) and orchestrating YAML workflows.

Full documentation: https://calimero-network.github.io/merobox/

Quick Start

Installation

PyPI (recommended):

pipx install merobox

From source:

git clone https://github.com/calimero-network/merobox.git
cd merobox
pipx install -e .

Basic Usage

# Start Calimero nodes
merobox run --count 2

# Start with auth service (Docker mode)
merobox run --auth-service

# Start with embedded auth (binary mode)
merobox run --no-docker --binary-path /path/to/merod --auth-mode embedded

# Pass extra arguments straight to `merod run` (binary mode only)
merobox bootstrap run workflow.yml --no-docker --binary-path ./merod \
  --merod-args="--sync-strategy delta --state-sync-strategy hash"

# Check node status
merobox health

# Execute a workflow
merobox bootstrap run workflow.yml

# Stop all nodes
merobox stop --all

Example Workflow

name: "Hello World"
nodes:
  count: 2
  prefix: "node"

steps:
  - name: "Install App"
    type: "install_application"
    node: "node-1"
    path: "./app.wasm"
    outputs:
      app_id: applicationId

  - name: "Create Context"
    type: "create_context"
    node: "node-1"
    application_id: "{{app_id}}"
    outputs:
      ctx_id: contextId

  - name: "Call Method"
    type: "call"
    node: "node-1"
    context_id: "{{ctx_id}}"
    method: "hello"

Features

Node Management — Start, stop, and monitor nodes in Docker or as native processes
Workflow Orchestration — ~100 step types for complex multi-step YAML workflows
Remote Nodes — Connect to remote Calimero nodes with user/password or API key auth
Auth Integration — Traefik proxy (Docker) or embedded JWT auth (binary mode)
Fuzzy Testing — Long-duration randomized load tests with weighted operations
pytest Integration — cluster() and workflow() context managers for test harnesses

Requirements

Python: 3.9 – 3.11 (3.12+ not supported due to py-near / ed25519 dependency)
Docker: 20.10+ (for Docker mode)
OS: Linux, macOS (Windows via WSL only)

Documentation

All detailed documentation lives in the Documentation:

Topic	Page
System architecture & data flow	System Overview
WorkflowExecutor, BaseStep, step factory	Workflow Engine
DockerManager, BinaryManager, Traefik	Node Management
Remote node CLI & auth methods	Remote Nodes
Complete YAML schema & all step types	Workflow YAML
All CLI commands with flags & options	CLI Reference
MeroboxError hierarchy, retry patterns	Error Handling
cluster(), workflow(), pytest fixtures	Testing Guide
Common issues & debugging tips	Troubleshooting
Terms & definitions	Glossary

Release Process

# Update version in ONE place
vim merobox/__init__.py  # Change __version__ = "X.Y.Z"

# Commit and push — automation handles tagging, builds, GitHub release, and PyPI
git add merobox/__init__.py
git commit -m "chore: bump version to X.Y.Z"
git push origin master

Contributing

Fork the repository
Create a feature branch
Make your changes
Submit a pull request

See the Testing Guide for development setup and adding new commands/step types.

License

MIT — see LICENSE for details.

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