"An open-source e-commerce platform" matching MCP connectors:

Federated search of books and papers, BibTeX/RIS citations, open-access retrieval and reading.

Agent intake desk for property renovation. Read only, CORS open, fail closed, receipts recompute.

Search domain availability and pricing, straight from chat, then open a link to register.

Read-only breach intel, full history 2007-today: reports THAT an org was breached, never the data.

Search and cite US law from official sources, then form an LLC or nonprofit with free agent tools.

Free, open MCP server for The Urantia Papers. 197 papers, 14,500+ paragraphs, 4,400+ entities.

Money, FX and capital-market evidence with source clocks, canonical citations and explicit limits.

Riddle.com is a no-code platform for quizzes, surveys, personality tests, prediction games, interactive graphics, and leaderboards. Use the MCP to create, edit and analyze content.

Cães e gatos para adoção no Brasil, de ONGs e protetores. Busque por cidade, porte, idade e saúde.

Living docs and MCP context for GitHub repos — conventions, gaps, and source-cited pages on merge.

MCP server for Brazilian Federal Senate open data (legislative, administrative, e-Cidadania).

AMZScout Skill + MCP gives AI agents live access to real Amazon marketplace data across 14 Amazon marketplaces. Analyze any ASIN, validate product ideas, research niches, compare competitors, discover profitable keywords, and build data-driven PPC strategies using trusted Amazon insights instead of AI assumptions. Works with Claude, ChatGPT, Cursor, and any other MCP-compatible AI client. To connect, you'll need an AMZScout API plan and authorize your account. Get access and view pricing here: https://learn.amzscout.net/amazon-product-api-for-ai-agents

Validate EU, UK, AU VAT numbers for AI agents. EU ViDA e-invoicing compliance.

Hosted, OAuth-gated endpoint for quantakrypto's post-quantum crypto tools: scan code for quantum-vulnerable cryptography (RSA/ECDH/ECDSA/DH) and get NIST ML-KEM/ML-DSA/SLH-DSA migration guidance over authenticated HTTP — nothing to install. Sign-in required (Google/GitHub/email). Same tools as the open-source @quantakrypto/mcp server; source at github.com/quantakrypto/pqc-tools.

Taiwan stock market data (TWMD): official-source, point-in-time-safe datasets via read-only tools.

Ask questions across Shopify, Klaviyo, GA4 and 20+ e-commerce sources in plain English.

The Apiosk MCP lets AI agents discover, pay for, execute, and publish APIs through the Apiosk gateway. It is a machine endpoint, not a website, so connect it from an MCP client (Claude, Cursor, ChatGPT, and others) rather than browsing it here.

Provides a platform-agnostic specification of the technical features every decent website should have

Free platform to test MCP clients without installing anything. Create mock tools with dynamic templates, configurable delays, conditions (if/then), and response sequences. Supports JSON-RPC 2.0 over Streamable HTTP. Built-in text_echo and json_echo tools. Rate-limited tiers: anonymous (5 calls/min, 1 mock tool), registered (10 calls/min, 4 mock tools), premium (60 calls/min, unlimited). Zero setup — no install, no registration required. More info: https://www.testmcp.dev

Catch AI-fabricated citations (real DOI + fake title). Retraction, open-access, 10,000+ CSL styles.