langchain-snaprender 0.1.0

LangChain tools for SnapRender Screenshot API — capture websites as PNG, JPEG, WebP, or PDF

langchain-snaprender

LangChain / LangGraph tools for SnapRender Screenshot API. Lets your LangChain agents capture website screenshots as PNG, JPEG, WebP, or PDF.

Install

pip install langchain-snaprender

Setup

export SNAPRENDER_API_KEY="sk_live_your_key_here"

Get a free key at app.snap-render.com — 50 screenshots/month, no credit card.

Usage

from langchain_snaprender import take_screenshot, check_cache, get_usage

# Use as standalone tools
result = take_screenshot.invoke({"url": "https://example.com"})
print(result)

# Or bind to a LangChain agent
from langchain_openai import ChatOpenAI
from langgraph.prebuilt import create_react_agent

llm = ChatOpenAI(model="gpt-4o")
tools = [take_screenshot, check_cache, get_usage]
agent = create_react_agent(llm, tools)

response = agent.invoke({"messages": [("user", "Take a screenshot of stripe.com")]})

Tools

take_screenshot

Capture any website as PNG, JPEG, WebP, or PDF.

Parameters: url, format, full_page, dark_mode, block_ads, block_cookie_banners, device, width, height

check_cache

Check if a screenshot is cached (free, doesn't count against quota).

Parameters: url, format

get_usage

Get current month's usage stats.

License

MIT