InitRunner is a developer-focused tool that simplifies AI agent setup by compressing configuration into a single YAML file. Instead of writing wiring code, users define their agent’s model, system prompt, tools, and guardrails in a role.yaml file and run the agent directly from the terminal.
Key Features
- YAML-based AI agent configuration
- Define model, system prompt, tools, and guardrails declaratively
- Eliminates the need for wiring or orchestration code
- Simple terminal-based execution
- Clean and readable
role.yamlstructure - Designed for fast agent prototyping and iteration
Pros
- Greatly reduces boilerplate code
- Improves clarity and maintainability of agent setups
- Faster agent development and experimentation
- Easy to version-control and share configurations
- Developer-friendly and lightweight
Cons
- Requires familiarity with YAML
- Less flexible for highly custom logic
- May not suit complex, dynamic agent workflows
- Still dependent on underlying model/tool compatibility
Who Is This Tool For?
- AI developers and engineers
- Teams building LLM agents
- Developers prototyping agent behaviors
- Open-source and automation enthusiasts
- Anyone wanting config-first AI agents
Pricing Packages
- Free / Open-source (if available): Core functionality
- Paid Plans (if available): Enterprise features, support, or integrations