docs/build/snippets/python/code-samples/customization-memory-filesystem-js.mdx

<CodeGroup>
    ```ts Google
    import { createDeepAgent, FilesystemBackend } from "deepagents";
    import { MemorySaver } from "@langchain/langgraph";
    
    // Checkpointer is REQUIRED for human-in-the-loop
    const checkpointer = new MemorySaver();
    
    const agent = await createDeepAgent({
      model: "google-genai:gemini-3.6-flash",
      backend: new FilesystemBackend({ rootDir: "/Users/user/{project}" }),
      memory: ["./AGENTS.md", "./.deepagents/AGENTS.md"],
      interruptOn: {
        read_file: true,
        write_file: true,
        delete_file: true,
      },
      checkpointer, // Required!
    });
    ```

    ```ts OpenAI
    import { createDeepAgent, FilesystemBackend } from "deepagents";
    import { MemorySaver } from "@langchain/langgraph";
    
    // Checkpointer is REQUIRED for human-in-the-loop
    const checkpointer = new MemorySaver();
    
    const agent = await createDeepAgent({
      model: "openai:gpt-5.5",
      backend: new FilesystemBackend({ rootDir: "/Users/user/{project}" }),
      memory: ["./AGENTS.md", "./.deepagents/AGENTS.md"],
      interruptOn: {
        read_file: true,
        write_file: true,
        delete_file: true,
      },
      checkpointer, // Required!
    });
    ```

    ```ts Anthropic
    import { createDeepAgent, FilesystemBackend } from "deepagents";
    import { MemorySaver } from "@langchain/langgraph";
    
    // Checkpointer is REQUIRED for human-in-the-loop
    const checkpointer = new MemorySaver();
    
    const agent = await createDeepAgent({
      model: "anthropic:claude-sonnet-4-6",
      backend: new FilesystemBackend({ rootDir: "/Users/user/{project}" }),
      memory: ["./AGENTS.md", "./.deepagents/AGENTS.md"],
      interruptOn: {
        read_file: true,
        write_file: true,
        delete_file: true,
      },
      checkpointer, // Required!
    });
    ```

    ```ts OpenRouter
    import { createDeepAgent, FilesystemBackend } from "deepagents";
    import { MemorySaver } from "@langchain/langgraph";
    
    // Checkpointer is REQUIRED for human-in-the-loop
    const checkpointer = new MemorySaver();
    
    const agent = await createDeepAgent({
      model: "openrouter:openrouter:z-ai/glm-5.2",
      backend: new FilesystemBackend({ rootDir: "/Users/user/{project}" }),
      memory: ["./AGENTS.md", "./.deepagents/AGENTS.md"],
      interruptOn: {
        read_file: true,
        write_file: true,
        delete_file: true,
      },
      checkpointer, // Required!
    });
    ```

    ```ts Fireworks
    import { createDeepAgent, FilesystemBackend } from "deepagents";
    import { MemorySaver } from "@langchain/langgraph";
    
    // Checkpointer is REQUIRED for human-in-the-loop
    const checkpointer = new MemorySaver();
    
    const agent = await createDeepAgent({
      model: "fireworks:accounts/fireworks/models/glm-5p2",
      backend: new FilesystemBackend({ rootDir: "/Users/user/{project}" }),
      memory: ["./AGENTS.md", "./.deepagents/AGENTS.md"],
      interruptOn: {
        read_file: true,
        write_file: true,
        delete_file: true,
      },
      checkpointer, // Required!
    });
    ```

    ```ts Baseten
    import { createDeepAgent, FilesystemBackend } from "deepagents";
    import { MemorySaver } from "@langchain/langgraph";
    
    // Checkpointer is REQUIRED for human-in-the-loop
    const checkpointer = new MemorySaver();
    
    const agent = await createDeepAgent({
      model: "baseten:zai-org/GLM-5.2",
      backend: new FilesystemBackend({ rootDir: "/Users/user/{project}" }),
      memory: ["./AGENTS.md", "./.deepagents/AGENTS.md"],
      interruptOn: {
        read_file: true,
        write_file: true,
        delete_file: true,
      },
      checkpointer, // Required!
    });
    ```

    ```ts Ollama
    import { createDeepAgent, FilesystemBackend } from "deepagents";
    import { MemorySaver } from "@langchain/langgraph";
    
    // Checkpointer is REQUIRED for human-in-the-loop
    const checkpointer = new MemorySaver();
    
    const agent = await createDeepAgent({
      model: "ollama:north-mini-code-1.0",
      backend: new FilesystemBackend({ rootDir: "/Users/user/{project}" }),
      memory: ["./AGENTS.md", "./.deepagents/AGENTS.md"],
      interruptOn: {
        read_file: true,
        write_file: true,
        delete_file: true,
      },
      checkpointer, // Required!
    });
    ```
</CodeGroup>