🦜🔗 LangChain × Agent Toolbox

13 production-ready tools for LangChain agents — one API key, zero complexity.

Install

pip install langchain-agent-toolbox

Quick Start

from langchain_agent_toolbox import AgentToolbox

# Get all 13 tools with one line
tools = AgentToolbox(api_key="atb_xxx").get_tools()

# Use with any LangChain agent
from langchain.agents import initialize_agent, AgentType
from langchain_openai import ChatOpenAI

llm = ChatOpenAI(model="gpt-4")
agent = initialize_agent(tools, llm, agent=AgentType.OPENAI_FUNCTIONS)
agent.run("Search for the latest AI news and summarize the top 3 articles")

Use Individual Tools

from langchain_agent_toolbox import (
    AgentToolboxSearchTool,
    AgentToolboxNewsTool,
    AgentToolboxWhoisTool,
)

search = AgentToolboxSearchTool(api_key="atb_xxx")
result = search.invoke({"query": "AI agents 2025", "count": 3})

All 13 Tools

Configuration

# Via constructor
tools = AgentToolbox(api_key="atb_xxx", base_url="https://api.toolboxlite.com").get_tools()

# Or via environment variable
import os
os.environ["AGENT_TOOLBOX_API_KEY"] = "atb_xxx"
tools = AgentToolbox().get_tools()

Get a Free API Key

curl -X POST https://api.toolboxlite.com/v1/auth/register \
  -H "Content-Type: application/json" \
  -d '{"email": "you@example.com"}'

Free tier: 1,000 calls/month, all 13 endpoints.

Links

• Agent Toolbox API
• API Docs
• Playground

License

MIT