"How to Build a Knowledge Base" matching MCP connectors:

Turn any webpage into a structured action manifest — clickable, fillable, submittable elements.

Checks whether a website is readable and citable by AI systems (ChatGPT, Claude, Perplexity, etc.)

Pay-per-call web scraping for AI agents via x402 on Base USDC. Six tools, no signup.

Pay-per-call web scraping for AI agents — no signup, no API keys, just USDC micropayments via the x402 protocol on Base. Six tools: scrape webpages, extract structured data, capture screenshots, parse metadata, manage browser sessions, and run workflows. Runs on Cloudflare Workers with Browser Rendering. Free tier: 10 calls per wallet per 30 days.

Do things on live websites: prices, availability, quotes, bookings, anything behind a form or login.

Can an AI shopping agent find, understand and BUY on a store? Deterministic e-commerce audit /100.

LLM-ready web search + instant answers + URL-to-clean-text fetch for agents and RAG.

Web search, page reading and structured extraction for AI agents, with strong RU coverage

Public pages to clean JSON or Markdown, plus bounded site mapping and crawl. Failed calls are free.

Capture batches of public web pages in a real browser and download the screenshots as a zip.

8 pay-per-call web intelligence tools for AI agents: detect a site's tech stack and track stack changes, check domain health, extract structured data or clean markdown from any URL, turn sitemaps into knowledge bases, analyze Shopify and Zid stores. Free discovery + pricing_info; paid calls $0.01-0.02 in USDC on Base via x402 — pay only for successful runs.

Read a URL as clean markdown, screenshot a website, url to PDF. Web access for agents, no signup.

Render HTML, Markdown, or URLs to images, PDF, or branded artifacts; extract and watch pages.

Check AI crawler robots.txt policy and monitor public-site policy, sitemap, and llms.txt changes.

Bright Data MCP — Bright Data Web Unlocker + SERP API (brightdata.com)

URL to clean article markdown/text + metadata and links. Deterministic. $0.001/call via x402.

x402-paid web search for AI agents. TESTNET (Base Sepolia). No valid result, no charge.

Decodo MCP — wraps the Decodo Web Scraping API (decodo.com, formerly

Crawlbase MCP — wraps the Crawlbase Crawling API (crawlbase.com, formerly

Validate whether an IP address belongs to SeznamBot. Remote MCP server exposing a validate_ip tool.