# > REGISTRY / MCP_READY_APIS

API Capability Registry

Browse MCP-ready API tools for AI agents and automation workflows. Atto Market lists provider-backed capabilities with category, price, execution mode, trust notes, and receipt-ready paid execution.

Categories
2

Search & Extraction and Browser & Rendering.

Providers
2

Curated listings for Firecrawl and Browserless.

MCP Tools
3

Search web, extract page, and render page capabilities.

Search & Extraction / Proxy Mode

Firecrawl Search

search

Search and extract fresh web content for agent workflows. The listing is useful for AI agents, MCP clients, research assistants, monitoring tools, and data pipelines that need web search API access with a clear request price.

Provider
Firecrawl
Price
$0.02/request
MCP
Ready
search-web Run a web search query and return ranked results.
extract-page Fetch a page and return cleaned content for processing.
Browser & Rendering / Hybrid Mode

Browser Render

web_asset

Render JavaScript-heavy pages for agents that need a browser context before extraction, automation, screenshots, or structured result generation. The marketplace exposes quote, execute, and receipt metadata for each paid render.

Provider
Browserless
Price
$0.05/render
MCP
Ready
render-page Load a page in a browser context and return rendered output.
usage-receipt Track settled price, status, provider, and response summary.

How Agents Use The Registry

01 / search
Find capabilities with /capabilities/search.
02 / quote
Reserve max price with /quote.
03 / execute
Run the paid API call through /execute.
04 / receipt
Read usage and spend from /receipts.