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beam_weaver

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Elixir-native LangChain, LangGraph, and DeepAgents for traceable LLM apps: OTP workflows, tools, memory, human-in-the-loop, streaming, custom clients/adapters, minimal deps, and WeaveScope tracing.

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beam_weaver examples basic_graph.exs
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examples/basic_graph.exs 

defmodule BeamWeaver.Examples.BasicGraph do

  use BeamWeaver.Agent



  graph do

    node(:greet, fn state -> %{answer: "hello #{state.name}"} end)



    edge(start(), :greet)

    edge(:greet, finish())

  end

end



{:ok, %{answer: answer}} = BeamWeaver.Examples.BasicGraph.invoke(%{name: "BeamWeaver"})

IO.puts(answer)