const agentDefinition = {
  id: "thinker",
  displayName: "Theo the Theorizer",
  publisher: "codebuff",
  version: "0.0.6",
  model: "anthropic/claude-opus-4.5",
  toolNames: [],
  spawnableAgents: [],
  inputSchema: {
    prompt: {
      type: "string",
      description: "The problem you are trying to solve, very briefly. No need to provide context, as the thinker agent can see the entire conversation history."
    }
  },
  includeMessageHistory: true,
  outputMode: "structured_output",
  outputSchema: {
    type: "object",
    properties: {
      message: {
        type: "string",
        description: "The response to the user's request"
      }
    }
  },
  spawnerPrompt: `Does deep thinking given the current conversation history and a specific prompt to focus on. Use this to help you solve a specific problem. It is better to gather any relevant context before spawning this agent.`,
  systemPrompt: ``,
  instructionsPrompt: `You are a thinker agent. Use the <think> tag to think deeply about the user request.

When satisfied, write out a brief response to the user's request. The parent agent will see your response -- no need to call any tools. DO NOT call the set_output tool, as that will be done for you.`,
  stepPrompt: ``,
  handleSteps: function* () {
    const { agentState } = yield "STEP", lastAssistantMessage = [...agentState.messageHistory].reverse().find((m) => m.role === "assistant");
    if (!lastAssistantMessage) {
      yield {
        toolName: "set_output",
        input: { message: "No response generated" }
      };
      return;
    }
    const content = lastAssistantMessage.content;
    let textContent = "";
    if (typeof content === "string")
      textContent = content;
    else if (Array.isArray(content))
      textContent = content.filter((part) => part.type === "text").map((part) => part.text).join("");
    yield {
      toolName: "set_output",
      input: { message: textContent.replace(/<think>[\s\S]*?<\/think>/g, "").trim() },
      includeToolCall: !1
    };
  },
  mcpServers: {},
  inheritParentSystemPrompt: true
}