npm install @codespar/sdk @codespar/claude @anthropic-ai/sdk

npm install @codespar/sdk @codespar/openai openai

npm install @codespar/sdk @codespar/vercel ai @ai-sdk/anthropic

export CODESPAR_API_KEY="csk_test_your_key_here"
export ANTHROPIC_API_KEY="sk-ant-your_key_here"

export CODESPAR_API_KEY="csk_test_your_key_here"
export OPENAI_API_KEY="sk-your_key_here"

export CODESPAR_API_KEY="csk_test_your_key_here"
export ANTHROPIC_API_KEY="sk-ant-your_key_here"

import Anthropic from "@anthropic-ai/sdk";
import { CodeSpar } from "@codespar/sdk";
import { getTools, handleToolUse, toToolResultBlock } from "@codespar/claude";

const anthropic = new Anthropic();
const codespar = new CodeSpar({ apiKey: process.env.CODESPAR_API_KEY });

async function run(userMessage: string) {
  // 1. Create session with the servers you need
  const session = await codespar.create("user_123", {
    servers: ["stripe", "mercadopago"],
  });

  // 2. Get tools in Anthropic format
  const tools = await getTools(session);

  // 3. Start the conversation
  const messages: Anthropic.MessageParam[] = [
    { role: "user", content: userMessage },
  ];

  let response = await anthropic.messages.create({
    model: "claude-sonnet-4-20250514",
    max_tokens: 4096,
    system:
      "You are a commerce assistant for a Brazilian e-commerce store. " +
      "Use the available tools to help with payments, invoicing, and shipping. " +
      "Always confirm amounts and details before processing payments.",
    tools,
    messages,
  });

  // 4. Tool-use loop: keep going until Claude stops calling tools
  while (response.stop_reason === "tool_use") {
    const toolUseBlocks = response.content.filter(
      (b) => b.type === "tool_use"
    );

    const toolResults = await Promise.all(
      toolUseBlocks.map(async (block) => {
        try {
          const result = await handleToolUse(session, block);
          return toToolResultBlock(block.id, result);
        } catch (error) {
          return toToolResultBlock(block.id, {
            error: error instanceof Error ? error.message : "Tool call failed",
          });
        }
      })
    );

    messages.push({ role: "assistant", content: response.content });
    messages.push({ role: "user", content: toolResults });

    response = await anthropic.messages.create({
      model: "claude-sonnet-4-20250514",
      max_tokens: 4096,
      tools,
      messages,
    });
  }

  // 5. Clean up
  await session.close();

  // 6. Return the final text
  const text = response.content.find((b) => b.type === "text");
  return text?.type === "text" ? text.text : "";
}

// Run it
const reply = await run("Create a R$49.90 checkout link for 'Pro Plan' using Stripe");
console.log(reply);

import OpenAI from "openai";
import { CodeSpar } from "@codespar/sdk";
import { getTools, handleToolCall } from "@codespar/openai";

const openai = new OpenAI();
const codespar = new CodeSpar({ apiKey: process.env.CODESPAR_API_KEY });

async function run(userMessage: string) {
  const session = await codespar.create("user_123", {
    servers: ["stripe", "mercadopago"],
  });

  const tools = await getTools(session);

  const messages: OpenAI.ChatCompletionMessageParam[] = [
    {
      role: "system",
      content:
        "You are a commerce assistant for a Brazilian store. " +
        "Use the available tools for payments, invoicing, and shipping.",
    },
    { role: "user", content: userMessage },
  ];

  let response = await openai.chat.completions.create({
    model: "gpt-4o",
    tools,
    messages,
  });

  let message = response.choices[0].message;

  while (message.tool_calls && message.tool_calls.length > 0) {
    messages.push(message);

    for (const toolCall of message.tool_calls) {
      let content: string;
      try {
        content = await handleToolCall(session, toolCall);
      } catch (error) {
        content = JSON.stringify({
          error: error instanceof Error ? error.message : "Tool call failed",
        });
      }
      messages.push({
        role: "tool",
        tool_call_id: toolCall.id,
        content,
      });
    }

    response = await openai.chat.completions.create({
      model: "gpt-4o",
      tools,
      messages,
    });
    message = response.choices[0].message;
  }

  await session.close();
  return message.content ?? "";
}

const reply = await run("Generate a Pix QR code for R$250");
console.log(reply);

import { generateText } from "ai";
import { anthropic } from "@ai-sdk/anthropic";
import { CodeSpar } from "@codespar/sdk";
import { getTools } from "@codespar/vercel";

const codespar = new CodeSpar({ apiKey: process.env.CODESPAR_API_KEY });

const session = await codespar.create("user_123", {
  servers: ["stripe", "mercadopago"],
});

const tools = await getTools(session);

const { text } = await generateText({
  model: anthropic("claude-sonnet-4-20250514"),
  tools,
  maxSteps: 5,
  system:
    "You are a commerce assistant for a Brazilian e-commerce store. " +
    "Use the available tools for payments, invoicing, and shipping.",
  prompt: "Create a R$49.90 checkout link for 'Pro Plan' via Stripe",
});

console.log(text);
await session.close();