glean

Glean — a Gleam-native AI agent SDK for the BEAM.

Quick start

import gleam/io
import glean/agent
import glean/models/anthropic
import glean/run
import glean/schema
import glean/tool

pub fn main() {
  let add =
    tool.new(
      name: "add",
      description: "Add two numbers",
      input_schema: schema.object(
        properties: [#("a", schema.int()), #("b", schema.int())],
        required: ["a", "b"],
      ),
      execute: fn(_ctx, _args_json) { Ok("4") },
    )

  let my_agent =
    anthropic.sonnet_5_5(api_key: "sk-ant-...")
    |> anthropic.build
    |> agent.from
    |> agent.system("You are a helpful calculator.")
    |> agent.tools(tool.toolset([add]))

  case run.generate(my_agent, Nil, "What is 2 + 2?") {
    Ok(result) -> io.println(result.text)
    Error(_) -> io.println("failed")
  }
}

pub fn version() -> String