What You'll Learn
Master the essential skills to build production-ready CLI agents with modern tooling and best practices
Prompt Orchestration
Master multi-turn conversations with context management and streaming responses
Tool Execution
Build type-safe tools with schema validation and Effect-based error handling
Message Streaming
Implement real-time UI updates with progressive rendering and live tool feedback
LLM Integration
Swap between Anthropic, OpenAI, and Google providers with zero architectural changes
CLI UX Polish
Create beautiful terminal interfaces with colors, markdown rendering, and diff previews
Effect-TS Runtime
Compose layers, manage dependencies, and handle errors with pure functional patterns
How It Works
A simple three-step process to master CLI agent development from fundamentals to production deployment
Watch
Follow step-by-step walkthroughs that explain every concept and design decision
Code
Build the agent yourself with hands-on exercises and working code examples
Run
Test your CLI agent immediately and see real-time tool execution in action
Series Outline
11 comprehensive episodes taking you from setup to production-ready CLI agent
Bootstrap the Runtime
Set up Effect-TS layers, Bun context, and dependency injection to create a composable foundation.
Provider Configuration
Build a flexible config system supporting Anthropic, OpenAI, and Google with environment-based detection.
First Tool: Read File
Create your first tool with schema validation, path safety, and Error handling through Effects.
The Agent Loop
Wire up the core orchestration loop connecting user input, LLM responses, and tool execution.
Streaming Responses
Implement real-time streaming UI with Vercel AI SDK for responsive, progressive output.
Search: Glob & Grep
Add powerful file search and content matching using ripgrep with type-safe adapters.
Edit with Diff Preview
Build safe file editing with unified diff rendering and user-controlled gating.
Markdown Rendering
Parse and display beautiful markdown with syntax highlighting and metadata extraction.
Session Persistence
Implement chat history and session management with file-based key-value storage.
Add a Custom Tool
Learn the pattern for creating your own tools and integrating them into the registry.
Performance & Concurrency
Optimize with concurrent operations, caching strategies, and Effect-TS performance patterns.
Ready to Build?
Start building your own AI-powered CLI agent today. Follow the step-by-step tutorial series.