# langchain-snaprender
[](https://pypi.org/project/langchain-snaprender/)
[](../LICENSE)
LangChain / LangGraph tools for [SnapRender Screenshot API](https://snap-render.com). Lets your LangChain agents capture website screenshots as PNG, JPEG, WebP, or PDF.
## Install
```bash
pip install langchain-snaprender
```
## Setup
```bash
export SNAPRENDER_API_KEY="sk_live_your_key_here"
```
Get a free key at [app.snap-render.com](https://app.snap-render.com/auth/signup) — 50 screenshots/month, no credit card.
## Usage
```python
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
