• How to build one voice agent on Rasa, LangGraph and Strands

  Build the same prescription-refill voice agent on Rasa, LangGraph and Strands Agents, and see what each framework makes you write.

  7 chapters

  Start

• Your first Rasa Mantle agent with a nine-check lint

  Build a working Mantle agent using the starter pack — six AI skills, a nine-check lint, and a git hook that catches the silent mistakes before they cost you an afternoon.

  5 chapters

  Start

• Guard irreversible AI agent actions in the tool, not YAML

  A scaffolded agent will post a replacement card to any address a caller reads out. Fix it by carrying where the address came from, and by putting the check inside the tool instead of in YAML.

  7 chapters

  Start

• Measure Your Agent: Simulation, Assertions, and LLM Judges

  You changed a prompt and the demo went fine. Is the agent better? Build a simulation-based evaluation suite that answers with evidence — an LLM plays your customer, assertions stay the ground truth, and a judge scores what facts cannot reach.

  6 chapters

  Start

• Generate agent documents from state, never from LLM prose

  Ask an agent for a document and it writes one, with figures nobody can trace. Build the other thing: the conversation edits state, the document is derived.

  7 chapters

  Start

• Rasa MCP tools: swap from REST without changing instructions

  A tutorial promised its three skills could keep their instructions when MCP landed. MCP landed — here is the diff that settles it.

  6 chapters

  Start

• Rasa Mantle tool and memory scope: verify callers only once

  Decide where a tool belongs and where a memory field belongs — and build a bank agent that makes the caller verify exactly once.

  7 chapters

  Start

• Personalise a Rasa agent's greeting before the first turn

  Load what you already know about a customer before the greeting, then spend it later in the conversation — with control levers, not hope.

  6 chapters

  Start

• Build a Voice AI Agent with Rasa Skills

  Flagship tutorial for the Skills architecture and Deepgram voice — build Atlas, a Horizon Travel assistant, from first skill to progressive control.

  11 chapters

  Start