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@cloudbase/agent-adapter-langchain
Advanced tools
将 LangChain Agent 转换为符合 AG-UI 协议 的 Agent。
createAgent() 创建的 Agent 包装为 AG-UI 兼容的 Agentnpm install @cloudbase/agent-adapter-langchain
import { run } from "@cloudbase/agent-server";
import { createAgent as createLangchainAgent } from "langchain";
import { MemorySaver } from "@langchain/langgraph";
import { ChatOpenAI } from "@langchain/openai";
import { LangchainAgent, clientTools } from "@cloudbase/agent-adapter-langchain";
const checkpointer = new MemorySaver();
const model = new ChatOpenAI({
model: process.env.OPENAI_MODEL!,
apiKey: process.env.OPENAI_API_KEY!,
configuration: {
baseURL: process.env.OPENAI_BASE_URL,
},
});
// 创建 LangChain Agent,使用 clientTools 中间件支持客户端工具
const lcAgent = createLangchainAgent({
model,
checkpointer,
middleware: [clientTools()],
});
// 部署为 HTTP 服务
run({
createAgent: () => ({
agent: new LangchainAgent({ agent: lcAgent }),
}),
port: 9000,
});
将 LangChain Agent 包装为 AG-UI 兼容的 Agent。
type LangchainAgentConfig = AgentConfig & {
agent: ReturnType<typeof createAgent>; // LangChain 的 createAgent() 返回值
logger?: Logger; // 可选,日志实例
};
const agent = new LangchainAgent(config);
AgentConfig:来自 AG-UI 协议Logger:日志接口,详见 @cloudbase/agent-server 文档创建一个中间件,让客户端可以动态注入工具到 Agent 调用中。
const agent = createAgent({
model,
checkpointer,
middleware: [clientTools()],
});
客户端定义的工具会与服务端工具合并使用。
langchain:LangChain Agent 框架@langchain/langgraph:Agent 会话记忆(MemorySaver)@langchain/openai:OpenAI 兼容模型接入📚 完整文档请参阅 云开发 Agent 开发指南
FAQs
LangChain adapter for AG-Kit agents
The npm package @cloudbase/agent-adapter-langchain receives a total of 658 weekly downloads. As such, @cloudbase/agent-adapter-langchain popularity was classified as not popular.
We found that @cloudbase/agent-adapter-langchain demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 14 open source maintainers collaborating on the project.
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