skills.rest
langchain-ailangchain-aiOfficial·2 Agent Skills Included

deepagentsjs

Ready-to-run AI agent harness with planning, files, and sub-agents

Builds fully working AI agents in JavaScript and TypeScript without wiring prompts, tools, and context management by hand. Ships with built-in task planning, file read/write tools, sub-agent delegation, and smart defaults so agents handle long multi-step jobs immediately. Includes evaluation suites, example skills, and LangSmith tracing to test, debug, and monitor agent behavior faster.
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npx skills add langchain-ai/deepagentsjs --all -g -y
Available:

Instructs the AI agent to run a security analysis on its plan before generating or modifying any code in this repository.

All Skills in This Repository (2)

Pure Emerald Level Indicators
📦 In Repo
langchain-ailangchain-ai

file-organizer

Organize files and folders by type, purpose, and date.

Official
Intermediate
📦 In Repo
langchain-ailangchain-ai

eval-writer

Create vitest-based eval suites with LangSmith integration for the deepagentsjs monorepo.

Official
Advanced

Frequently Asked Questions

FAQPage Schema
How to install deepagentsjs?▼

Run `npx skills add langchain-ai/deepagentsjs --all -g -y` in your terminal to install all tools in this suite globally.

What is Deep Agents for JavaScript?▼

It is a batteries-included agent harness from LangChain that gives you a working AI agent out of the box, with planning, filesystem tools, and sub-agents already configured.

How do I build an AI agent without wiring prompts manually?▼

Call createDeepAgent() and invoke it with a user message; the agent plans tasks, reads and writes files, and delegates work to sub-agents automatically.

Does deepagentsjs work with different AI models?▼

Yes. It is provider agnostic and works with any tool-calling chat model, including OpenAI and Anthropic models, and it is built on LangGraph for streaming and persistence.

Can I test and evaluate my agent's behavior?▼

Yes. The suite includes ready-made eval suites for memory, tool use, sub-agents, and more, with results reported to LangSmith for tracing and debugging.

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