"Calibre-Web" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
OpenSpender gives your agent an allowance, not your API keys: one self-custodial USDC wallet that pays per request for web search, frontier models (Claude, GPT, Gemini, Grok), image and video generation, and a growing catalog of x402/MPP machine-payable APIs — every call priced before it's paid and capped by budgets you set.
Independent health, price and history for x402/MPP endpoints. Metered over x402; free grade on web.
Web search for AI agents. Ranked results with page passages already extracted, plus URL to markdown.
Build interactive 3D web apps — scenes, physics, audio and music — from composable components.
Read any web page as clean text for a prompt, or list every link on it.
Ensemble testing of web pages for accessibility, usability, and standards conformity
Desktop and mobile website screenshots plus page context for AI agents and automation workflows.
Search Google straight from your AI agent. Web results, images, videos, news, products, scholarly ar
Convert documents and web pages to clean, LLM-ready Markdown: PDFs via pdf-inspector, DOCX/XLSX/PPTX/EPUB via MarkItDown, scanned files and images via OCR, and any public URL. Free tier needs no API key; Pro keys unlock unlimited conversions and OCR. Tools: convert_url, convert_base64, list_supported_formats, usage_status.
Validate HTML/CSS, audit SEO and JSON-LD, check links, and capture responsive screenshots.
Live web search and research synthesis for agents, with free samples and x402 USDC payments.
Convert documents and web pages to clean Markdown: PDF, DOCX, XLSX, EPUB, scanned files, any URL.
Live web access for agents: scrape, SERP search, crawl/map, 74 collectors, datasets, proxies.
Fetch any web page to clean Markdown with Litmus trust signals. No account or API key needed.
Privacy-first web analytics for AI agents: visitors, revenue, funnels, visitor profiles.
Web data tools for AI agents: pages as markdown, search, maps, commerce, jobs, AI answers.
Live web search, image search, topic filters and full-text fetch over our own crawled index.
Shared copies of public web pages for AI agents. Search stored pages or fetch a URL.
Russian-language web search for agents: hybrid retrieval, product prices, full page text
