A comprehensive agent skill for building secure TypeScript applications using the Deno runtime while avoiding common permission and dependency pitfalls.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install deno
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install deno using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Deno?
This Deno skill provides the technical expertise required to develop, test, and deploy applications using the modern Deno runtime. It focuses on Deno's unique security-first approach, helping developers navigate the granular permission system and the module-based dependency model. By utilizing this skill within Openclaw Skills, developers can ensure their AI agent correctly handles TypeScript extensions, import maps, and the transition from Node.js environments.
The skill emphasizes best practices for production-ready Deno code, such as avoiding wide-open permission flags and correctly managing lockfiles. It bridges the gap between traditional Node.js development and Deno's web-standard APIs, making it an essential tool for high-performance, secure backend and CLI development.
Deno Use Cases
- Implementing fine-grained security permissions for production Deno services.
- Migrating existing Node.js projects to Deno with full npm compatibility.
- Managing remote dependencies and vendorizing them for offline stability.
- Creating self-contained executable binaries for cross-platform distribution.
- Writing leak-free asynchronous tests using the native Deno testing suite.
How Deno Works
- The skill detects Deno project structures by looking for deno.json or specific TypeScript import patterns.
- It audits requested actions to determine the specific permissions required, such as --allow-net or --allow-read.
- The agent configures import maps and dependency specifiers to resolve module paths correctly.
- It generates Deno-compliant TypeScript code that adheres to strict extension requirements and web-standard APIs.
- It prepares the environment for deployment by managing the Deno cache and generating integrity lockfiles.
Deno Setup
To use this skill, ensure the Deno CLI is installed on your local machine. Openclaw Skills requires the Deno binary to execute tasks.
# Install Deno on macOS or Linux
curl -fsSL https://deno.land/x/install/install.sh | sh
# Install Deno on Windows
irm https://deno.land/install.ps1 | iex
Verify the installation by running deno --version in your terminal.
Deno Data Schema & Taxonomy
| Component | Purpose |
|---|---|
deno.json |
Main configuration file for permissions, imports, and tasks. |
deno.lock |
Ensures sub-dependency security and version consistency. |
import_map |
Maps module aliases to URLs or npm packages for cleaner imports. |
permissions.md |
Documentation for managing granular runtime access. |
node-compat.md |
Reference for handling node: specifiers and polyfills. |
Deno Advanced Features
- Intelligent permission mitigation to prevent broad security holes during development.
- Automated vendoring of remote dependencies for reliable CI/CD pipelines.
- Seamless integration with the Deno compile tool for building 50MB+ standalone binaries.
- Advanced resource leak detection in asynchronous test suites.
- Dynamic runtime permission requesting for interactive user prompts.
SKILL.md
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