COOKBOOK

One idea per file. Read them in order.

Every example is a single index.ts that uses only what the earlier examples introduced. The code on these pages is the code in the repository.

Start with example 01 Read the docs first

Basics

Components and pipelines. Runs offline.

01OfflineComponentDefine a component and run it as a plain function.Open example

02OfflinePipelineConnect three components and let the pipeline infer the endpoint.Open example

03OfflineRoutingSend data to different branches through named output ports.Open example

04OfflineText splitterSplit a document into overlapping chunks with a built-in component.Open example

05OfflineToolsCreate tools and run tool calls without a model.Open example

LLM

Models, workflows and agents.

06 API keyChatCall DeepSeek directly and inside a pipeline.Open example

07 API keyWorkflowChain three LLM steps: outline, draft, edit.Open example

08 API keyAgentGive a model a tool and let it decide when to call it.Open example

09 API keyStreaming agentPrint the agent's text and tool events as they happen.Open example

Advanced

Large contexts and serving.

10 API keyRLM agentAnswer a question about a source directory that is too large for one prompt.Open example

11 API keyHTTP serverServe a streaming agent over HTTP with Server-Sent Events.Open example

Run any example

git clone https://github.com/astack-tech/astack && cd astack
pnpm install && pnpm build
pnpm --filter @astack-examples/pipeline start

Examples marked API key need DEEPSEEK_API_KEY in the environment. The others run offline, and CI runs them on every change.