Need

Need is an open-source CLI tool discovery system that enables AI agents to automatically find, install, and rank command-line tools. It provides a real-time, verified index for agents to search against, improving their autonomy and efficiency.

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At a glance

Pricing

Open Source

Free tier

Yes

API

Skill level

Technical

About

What is Need?

Need is an open-source command-line interface (CLI) tool discovery system designed to enhance the capabilities of AI agents. It allows agents to autonomously search for, install, and rank CLI tools without requiring human intervention or API keys. This system addresses the limitations of LLMs, which often have training cutoffs and hallucinate package names, by providing a real-time, verified index of developer tools. Need integrates seamlessly with various AI agents, including Claude Code, Cursor, and Claude Desktop, and can also be configured for GitHub Copilot and Windsurf. Beyond AI agent integration, Need functions effectively as a standalone CLI tool, offering semantic search capabilities similar to a combination of `tldr` and `brew search` but with a deeper understanding of user intent. It ensures safe installations by restricting commands to a strict allowlist and rejecting shell metacharacters.

Best used for

Ideal for developers and data scientists who need to empower their AI agents with the ability to autonomously discover, install, and utilize command-line tools, and to improve the efficiency and adaptability of their AI systems. Especially valuable for building sophisticated AI agents that require dynamic access to a wide range of developer utilities.

Common actions

discover CLI tools

install CLI tools

rank CLI tools

automate tool acquisition

enhance AI agent capabilities

AI infrastructure"AI Agents"CLI toolsAutomationAI productivityagent orchestrationDeveloper Toolstool discoveryopen-source

Capabilities

Key features

Automatic tool discovery
Autonomous tool installation
Tool ranking by success
Semantic search
Zero configuration
MCP ready

Target Audience

developerdata scientist

Integrations

Not yet documented

Pricing & Plans

Open Source

FAQs

How does Need improve upon traditional package manager search?

Traditional package managers like `brew search` or `apt search` rely on keyword matching. Need, however, understands intent, allowing you to search for tasks like "make images smaller" and receive relevant tools such as `pngquant` or `jpegoptim`, rather than just packages containing "image" in their name.

Is it safe to allow AI agents to install tools using Need?

Yes, Need ensures safety by restricting installations to a strict allowlist of commands, including `brew install`, `apt install`, `npm install -g`, `pip install`, and `cargo install`. It also rejects any shell metacharacters, preventing arbitrary code execution and maintaining system security.

Can Need be used without AI agents?

Absolutely. While Need is designed for AI agent integration, it also functions as a powerful standalone CLI tool. You can use it for semantic search and tool discovery, similar to a more intelligent version of `tldr` combined with `brew search`, even if you don't utilize AI agents.

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