Lightpanda is the first open-source headless browser designed specifically for the LLM era. Unlike traditional headless browsers (like Headless Chrome or Playwright), which are often heavyweight and resource-intensive, Lightpanda is built from scratch in Zig to be extremely lightweight, fast, and AI-native.
- ~9x Faster: Significantly faster execution than Headless Chrome.
- ~16x Less Memory: Extremely low footprint, allowing more instances to run on the same hardware.
- Built in Zig: Leverages the performance and safety features of the Zig programming language.
- MCP Support: Native support for the Model Context Protocol (MCP), allowing AI agents (like Claude Code, Gemini CLI, etc.) to use it as a tool out-of-the-box.
- Markdown Output: Can directly convert web pages into clean Markdown, providing high-quality, noise-free context for LLMs.
- CDP Compatible: Supports the Chrome DevTools Protocol, making it compatible with many existing automation tools.
- JavaScript Support: Powered by the V8 engine, it handles modern SPAs and complex JavaScript-heavy websites.
- Zero-Config Tooling: Easy to integrate into existing agentic workflows.
For developers building AI agents that need to browse the web, Lightpanda solves several common pain points:
- Infrastructure Costs: Run many more agents on the same server due to low memory usage.
- Latency: Faster page loads and JS execution mean faster agent responses.
- Data Quality: Clean Markdown output prevents the "LLM hallucinations" often caused by noisy HTML context.
Lightpanda can be run via Docker or as a standalone binary.
docker run -p 9222:9222 lightpanda/browserAdd Lightpanda to your agent's configuration (e.g., in Claude Code or Gemini CLI) as an MCP server to enable autonomous browsing capabilities.
Lightpanda is open-source. Please refer to its repository for licensing details.