diff --git a/packages/prime/src/prime_cli/commands/env.py b/packages/prime/src/prime_cli/commands/env.py
index 6a90be9c..4dd3257b 100644
--- a/packages/prime/src/prime_cli/commands/env.py
+++ b/packages/prime/src/prime_cli/commands/env.py
@@ -28,6 +28,7 @@
 from ..utils.env_metadata import find_environment_metadata
 from ..utils.eval_push import push_eval_results_to_hub
 from ..utils.formatters import format_file_size
+from ..utils.remote_env import init_sandbox_environment, init_ts_environment
 
 app = typer.Typer(help="Manage verifiers environments", no_args_is_help=True)
 console = Console()
@@ -893,20 +894,49 @@ def init(
     rewrite_readme: bool = typer.Option(
         False, "--rewrite-readme", help="Overwrite README.md with template if it already exists"
     ),
+    sandbox: bool = typer.Option(
+        False, "--sandbox", help="Create a remote sandbox environment template"
+    ),
+    ts: bool = typer.Option(
+        False, "--ts", help="Create a TypeScript sandbox environment template"
+    ),
 ) -> None:
     """Initialize a new verifiers environment from template"""
     try:
-        # this import is slow, so we do it inside the command
-        from verifiers.scripts.init import init_environment
+        if sandbox and ts:
+            console.print("[red]Error: Cannot use both --sandbox and --ts flags[/red]")
+            raise typer.Exit(1)
+
+        if sandbox:
+            created_path = init_sandbox_environment(name, path)
+            console.print(f"""
+            [green]✓ Created sandbox environment template in {created_path}/[/green]
+            """)
+            console.print("\nNext steps:")
+            console.print(f"  cd {created_path}")
+            console.print("  # Edit sandbox/setup.sh to configure your environment")
+            console.print("  prime env push")
+        elif ts:
+            created_path = init_ts_environment(name, path)
+            console.print(f"""
+            [green]✓ Created TypeScript environment template in {created_path}/[/green]
+            """)
+            console.print("\nNext steps:")
+            console.print(f"  cd {created_path}")
+            console.print("  # Edit sandbox/src/index.ts to define your tools and rewards")
+            console.print("  prime env push")
+        else:
+            # this import is slow, so we do it inside the command
+            from verifiers.scripts.init import init_environment
 
-        created_path = init_environment(name, path, rewrite_readme)
+            created_path = init_environment(name, path, rewrite_readme)
 
-        console.print(f"[green]✓ Created environment template in {created_path}/[/green]")
-        console.print("\nNext steps:")
-        console.print(f"  cd {created_path}")
-        filename = f"{name}.py".replace("-", "_")
-        console.print(f"  # Edit the {filename} file to implement your environment")
-        console.print("  prime env push")
+            console.print(f"[green]✓ Created environment template in {created_path}/[/green]")
+            console.print("\nNext steps:")
+            console.print(f"  cd {created_path}")
+            filename = f"{name}.py".replace("-", "_")
+            console.print(f"  # Edit the {filename} file to implement your environment")
+            console.print("  prime env push")
 
     except FileNotFoundError as e:
         console.print(f"[red]File not found: {e}[/red]")
diff --git a/packages/prime/src/prime_cli/utils/remote_env.py b/packages/prime/src/prime_cli/utils/remote_env.py
new file mode 100644
index 00000000..f5ae654d
--- /dev/null
+++ b/packages/prime/src/prime_cli/utils/remote_env.py
@@ -0,0 +1,284 @@
+from pathlib import Path
+
+
+def init_sandbox_environment(name: str, path: str) -> Path:
+    env_id_underscore = name.replace("-", "_")
+    local_dir = Path(path) / env_id_underscore
+    local_dir.mkdir(parents=True, exist_ok=True)
+
+    sandbox_dir = local_dir / "sandbox"
+    sandbox_dir.mkdir(parents=True, exist_ok=True)
+
+    pyproject_content = f'''[project]
+name = "{name}"
+version = "0.1.0"
+requires-python = ">=3.10"
+dependencies = ["verifiers"]
+
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[tool.hatch.build]
+include = ["{env_id_underscore}.py", "pyproject.toml", "sandbox/**/*"]
+'''
+    (local_dir / "pyproject.toml").write_text(pyproject_content)
+
+    readme_content = f'''# {name}
+
+A remote sandbox environment.
+
+## Structure
+
+- `{env_id_underscore}.py` - Environment definition using RemoteEnv
+- `sandbox/setup.sh` - Setup script that runs in the sandbox
+
+## Usage
+
+Edit `sandbox/setup.sh` to install dependencies and start your service.
+The last command in setup.sh should start your long-running process.
+'''
+    (local_dir / "README.md").write_text(readme_content)
+
+    env_py_content = '''from pathlib import Path
+from verifiers.envs.experimental.remote_envs import RemoteEnv
+
+
+def load_environment(**kwargs):
+    return RemoteEnv(
+        sandbox_path=Path(__file__).parent / "sandbox",
+        **kwargs
+    )
+'''
+    (local_dir / f"{env_id_underscore}.py").write_text(env_py_content)
+
+    setup_sh_content = '''#!/bin/bash
+set -e
+
+echo "Setup complete. Add your start command here."
+'''
+    (sandbox_dir / "setup.sh").write_text(setup_sh_content)
+
+    return local_dir
+
+
+def init_ts_environment(name: str, path: str) -> Path:
+    env_id_underscore = name.replace("-", "_")
+    local_dir = Path(path) / env_id_underscore
+    local_dir.mkdir(parents=True, exist_ok=True)
+
+    sandbox_dir = local_dir / "sandbox"
+    sandbox_dir.mkdir(parents=True, exist_ok=True)
+    src_dir = sandbox_dir / "src"
+    src_dir.mkdir(parents=True, exist_ok=True)
+
+    pyproject_content = f'''[project]
+name = "{name}"
+version = "0.1.0"
+requires-python = ">=3.10"
+dependencies = ["verifiers"]
+
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[tool.hatch.build]
+include = ["{env_id_underscore}.py", "pyproject.toml", "sandbox/**/*"]
+'''
+    (local_dir / "pyproject.toml").write_text(pyproject_content)
+
+    readme_content = f'''# {name}
+
+A TypeScript sandbox environment with REST API tool/reward discovery.
+
+## Structure
+
+- `{env_id_underscore}.py` - Environment definition using TypeScriptEnv
+- `sandbox/setup.sh` - Installs Node.js and starts the server
+- `sandbox/src/index.ts` - REST API with tool and reward endpoints
+
+## REST API Contract
+
+Your TypeScript server must implement:
+
+- `GET /tools` - Returns tool definitions
+- `POST /tools/:name` - Executes a tool
+- `GET /rewards` - Returns reward function definitions
+- `POST /rewards/:name` - Calculates a reward
+
+## Usage
+
+Edit `sandbox/src/index.ts` to define your tools and rewards.
+'''
+    (local_dir / "README.md").write_text(readme_content)
+
+    env_py_content = '''from pathlib import Path
+from verifiers.envs.experimental.remote_envs import TypeScriptEnv
+
+
+def load_environment(**kwargs):
+    return TypeScriptEnv(
+        sandbox_path=Path(__file__).parent / "sandbox",
+        **kwargs
+    )
+'''
+    (local_dir / f"{env_id_underscore}.py").write_text(env_py_content)
+
+    setup_sh_content = '''#!/bin/bash
+set -e
+
+apt-get update && apt-get install -y curl unzip
+curl -fsSL https://bun.sh/install | bash
+export PATH="$HOME/.bun/bin:$PATH"
+
+bun install
+bun run src/index.ts
+'''
+    (sandbox_dir / "setup.sh").write_text(setup_sh_content)
+
+    package_json_content = f'''{{
+  "name": "{name}",
+  "version": "1.0.0",
+  "dependencies": {{
+    "zod": "^3.23.0",
+    "zod-to-json-schema": "^3.23.0"
+  }}
+}}
+'''
+    (sandbox_dir / "package.json").write_text(package_json_content)
+
+    index_ts_content = '''import { z } from "zod";
+import { zodToJsonSchema } from "zod-to-json-schema";
+
+const PORT = 3000;
+
+// =============================================================================
+// Tools - Define your tools here
+// =============================================================================
+
+const EchoArgs = z.object({
+  message: z.string().describe("Message to echo back"),
+});
+
+function echo(args: z.infer<typeof EchoArgs>): string {
+  return args.message;
+}
+
+const AddArgs = z.object({
+  x: z.number().describe("First number"),
+  y: z.number().describe("Second number"),
+});
+
+function add(args: z.infer<typeof AddArgs>): string {
+  return String(args.x + args.y);
+}
+
+type ToolDef = {
+  description: string;
+  schema: z.ZodObject<any>;
+  fn: (args: any) => string;
+};
+
+const tools: Record<string, ToolDef> = {
+  echo: {
+    description: "Echoes back the input message",
+    schema: EchoArgs,
+    fn: echo,
+  },
+  add: {
+    description: "Adds two numbers together",
+    schema: AddArgs,
+    fn: add,
+  },
+};
+
+// =============================================================================
+// Rewards - Define your reward functions here
+// =============================================================================
+
+function correctness(prompt: any, completion: any, answer: any, state: any): number {
+  const lastMessage = completion[completion.length - 1];
+  const content = lastMessage?.content || "";
+  return content.includes(answer) ? 1.0 : 0.0;
+}
+
+type RewardDef = {
+  weight: number;
+  fn: (prompt: any, completion: any, answer: any, state: any) => number;
+};
+
+const rewards: Record<string, RewardDef> = {
+  correctness: {
+    weight: 1.0,
+    fn: correctness,
+  },
+};
+
+// =============================================================================
+// Server - No need to modify below
+// =============================================================================
+
+function getToolList() {
+  return Object.entries(tools).map(([name, tool]) => ({
+    type: "function",
+    function: {
+      name,
+      description: tool.description,
+      parameters: zodToJsonSchema(tool.schema, { $refStrategy: "none" }),
+    },
+  }));
+}
+
+function getRewardList() {
+  return Object.entries(rewards).map(([name, reward]) => ({
+    name,
+    weight: reward.weight,
+  }));
+}
+
+Bun.serve({
+  port: PORT,
+  async fetch(req) {
+    const url = new URL(req.url);
+    const path = url.pathname;
+
+    if (path === "/tools" && req.method === "GET") {
+      return Response.json({ tools: getToolList() });
+    }
+
+    if (path.startsWith("/tools/") && req.method === "POST") {
+      const name = path.slice("/tools/".length);
+      const tool = tools[name];
+      if (!tool) {
+        return Response.json({ error: `Tool ${name} not found` }, { status: 404 });
+      }
+      const { args } = await req.json();
+      const parsed = tool.schema.parse(args);
+      const result = tool.fn(parsed);
+      return Response.json({ result });
+    }
+
+    if (path === "/rewards" && req.method === "GET") {
+      return Response.json({ rewards: getRewardList() });
+    }
+
+    if (path.startsWith("/rewards/") && req.method === "POST") {
+      const name = path.slice("/rewards/".length);
+      const reward = rewards[name];
+      if (!reward) {
+        return Response.json({ error: `Reward ${name} not found` }, { status: 404 });
+      }
+      const { prompt, completion, answer, state } = await req.json();
+      const score = reward.fn(prompt, completion, answer, state);
+      return Response.json({ score });
+    }
+
+    return Response.json({ error: "Not found" }, { status: 404 });
+  },
+});
+
+console.log(`Server running on port ${PORT}`);
+'''
+    (src_dir / "index.ts").write_text(index_ts_content)
+
+    return local_dir
\ No newline at end of file