serp.fast

Webclaw

Rust-based web extraction API for LLMs – converts pages to clean markdown via TLS fingerprinting without headless browser overhead, with drop-in Firecrawl v2 compatibility.

Nathan Kessler
By Nathan KesslerUpdated

Each tool is evaluated against our methodology using public docs, vendor demos, and hands-on testing.

Web scraping APIs abstract away the hardest parts of web data collection: JavaScript rendering, anti-bot detection, proxy rotation, and data parsing. Instead of building and maintaining your own scraping infrastructure, you send a URL and receive clean, structured data back. For AI applications, many of these APIs now return LLM-ready markdown or structured JSON.

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Features

–JS Rendering
✓Structured Output
✓Open Source
✓Self-Hosted Option
Pricing:FreemiumSee pricing →

Editorial assessment

A Rust-based Firecrawl alternative positioning on raw speed – TLS fingerprint impersonation extracts pages without spinning up headless browsers. Drop-in Firecrawl v2 API compatibility lowers the switching cost. Open source (AGPL-3.0) with CLI, REST API, and a 12-tool MCP server that works with Claude, Cursor, and Windsurf. At ~500 GitHub stars and v0.3.x, it's early-stage. The performance claims are compelling but the ecosystem and community are still nascent. Worth evaluating if you need Firecrawl-style output with lower latency and self-hosting flexibility.

How Webclaw compares

Firecrawl

Firecrawl is the category leader with 350K+ developers and a proven ecosystem – Webclaw explicitly targets it with compatible API endpoints.

ScraperAPI

ScraperAPI is more mature with broader site coverage if you need reliability over raw speed.

See full Webclaw alternatives comparison →

Frequently asked questions

How much does Webclaw cost?

Webclaw uses a freemium model. The hosted API at webclaw.io has paid plans alongside a free entry point, and because the engine is open source under AGPL-3.0 you can self-host it on your own hardware and skip the hosted pricing entirely. Exact tier prices are not listed here, so check the pricing section on webclaw.io for current numbers before you budget.

Is Webclaw open source?

Yes. Webclaw is open source under the AGPL-3.0 license. The CLI, REST API, extraction engine, and a 12-tool MCP server all live in the public repository. The AGPL copyleft terms require that network-deployed modifications be shared back, which matters if you plan to build Webclaw into a hosted product of your own. The maintainers also run a managed hosted API at webclaw.io for teams that prefer not to operate it themselves.

Can Webclaw be self-hosted?

Yes. Webclaw is built in Rust and can run the extraction engine and MCP server on your own infrastructure. Self-hosting keeps scraped data in your environment and avoids the limits of the hosted plans. Keep the AGPL-3.0 obligations in mind if you expose a self-hosted instance over a network as part of a service you offer to others.

Does Webclaw render JavaScript?

No. Webclaw does not run a headless browser. It uses HTTP requests with TLS fingerprint impersonation to fetch and convert pages, which is why it stays lightweight and returns static pages quickly. That approach trades full client-side JavaScript execution for speed. If your targets depend heavily on browser-rendered content, a headless-browser tool like Firecrawl is a better fit.

How does Webclaw compare to Firecrawl?

Webclaw positions itself as a faster, Rust-based Firecrawl alternative with drop-in v2 API compatibility, so you can swap the base URL and keep your existing SDK. The main difference is rendering: Webclaw skips the headless browser to gain speed, while Firecrawl renders JavaScript-heavy pages more completely. Firecrawl is also more mature, with a larger community. Pick Webclaw for lower latency and self-hosting, Firecrawl for broader rendering and a settled ecosystem.

What is Webclaw best used for?

Webclaw fits teams feeding LLMs or RAG pipelines that need clean markdown or structured output from mostly static pages with low latency. The 12-tool MCP server connects to agent clients like Claude, Cursor, and Windsurf, and Firecrawl v2 compatibility makes it easy to test against an existing setup. At around 500 GitHub stars and v0.3.x it is early-stage, so treat it as worth evaluating for speed-sensitive or self-hosted extraction rather than a settled production default.

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