Deep Agents

Deep Agents

LangChain
Persona

Persona

Runtype
+
+

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About

Deep Agents is an open-source developer library and agent harness for building LLM-powered agents that can work through multi-step tasks. It provides an agent loop with built-in capabilities for planning, persistent memory, file-system interaction, and delegation to subagents, while allowing developers to connect model providers and tools. The library is intended for software developers and teams creating custom agent applications, including research, coding, and other workflows that require an agent to plan and act across several steps. Developers can extend its behavior with custom tools, middleware, and backends, and integrate it with LangGraph and LangSmith for orchestration, tracing, and deployment workflows. Deep Agents is a software development framework rather than a ready-made end-user agent application; users implement and run agents within their own applications and environments.

About

Persona is a VanillaJS Agent UI Library that helps developers create agentic front-end experiences for the web in pure JavaScript. Lightweight, extensible, and WebMCP-native, it runs on any stack and can connect to any SSE backend. Developers can start with a floating launcher in the corner, a copilot docked beside an app, or a full-height assistant that owns the page, changing the launcher configuration without changing the agent or app. Persona is designed for support, docs, sales, onboarding, internal tools, and custom agent experiences where the chat UI becomes another way to operate the application. Through WebMCP, developers can expose page actions, search, carts, bookings, forms, and other tools directly in the browser through a document.modelContext; Persona discovers those tools, asks the user before calling them, and streams the result back into the conversation.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Software developers and teams building custom LLM-powered agent applications.

Audience

Developers and engineers who need a lightweight library to add agentic chat, tool use, streaming, and branded assistant interfaces to web apps

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Open source
Free Version Supported
Free Trial Not Supported

Pricing

Free
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Company Information

LangChain
Founded: 2023
United States
www.langchain.com/deep-agents

Company Information

Runtype
United States
www.persona-chat.dev/

Alternatives

Claude Code

Claude Code

Anthropic

Alternatives

Hermes Agent

Hermes Agent

Nous Research
Deep Agents

Deep Agents

LangChain
LangGraph

LangGraph

LangChain

Categories

Categories

Integrations

CSS Not Supported
Cloudflare Not Supported
Eve Not Supported
JavaScript Not Supported
LangChain Not Supported
LangSmith Supported
Next.js Not Supported
OpenAI Not Supported
Svelte Not Supported
Vercel Not Supported
WebMCP Not Supported
dcode Supported

Integrations

CSS Supported
Cloudflare Supported
Eve Supported
JavaScript Supported
LangChain Supported
LangSmith Not Supported
Next.js Supported
OpenAI Supported
Svelte Supported
Vercel Supported
WebMCP Supported
dcode Not Supported
Claim Deep Agents and update features and information
Claim Deep Agents and update features and information
Claim Persona and update features and information
Claim Persona and update features and information