"Services or tools available for free without requiring an API key" matching MCP servers:

Enables interaction with Adobe Commerce Catalog Services to retrieve product variants, price overrides, category permissions, and environment details via MCP.

Provides tools to retrieve information about current and upcoming free games on the Epic Games Store. It allows users to access game details including titles, descriptions, and claim URLs through Model Context Protocol clients.

Enables access to Amazon product data through the Canopy API, providing tools for product info, variants, stock, sales, reviews, search, autocomplete, categories, sellers, authors, and deals.

An MCP (Multi-Agent Conversation Protocol) Server that enables interaction with eBay's Sell Marketing API through natural language, auto-generated using AG2's MCP builder.

Real-time last-minute tour and activity booking across 18 suppliers in 15 countries via the OCTO open standard. Search available slots, create Stripe checkout sessions, and check booking status.

MCP server that wraps Shopify, Amazon, and Google Maps intelligence tools. AI agents pay autonomously in USDC on Base via x402 — no API keys or accounts needed.

Provides MCP tools for searching and comparing products on Wildberries (and Ozon planned), including product search, detailed card retrieval, and review fetching, normalized for LLM consumption.

Jewellery sizing and gemstone grading tools by FITINY. Carat-to-millimetre conversion for moissanite, diamond and cubic zirconia corrected for each stone's density — every chart online is calculated for diamond, which is wrong for moissanite by about 9%. Also covers GIA colour (D-K) and clarity (FL-SI) scales, ISO 8653 ring size conversion across US/UK/EU, necklace lengths and stud diameter.

A free WordPress plugin that turns your site into a governed MCP server, exposing 153 curated WordPress abilities (posts, media, users, WooCommerce, ACF, SEO) as tools for AI agents like Claude and Cursor. Every ability is off by default, scoped to a least-privilege user, capability-gated, and logged.

Provides read-only access to normalized Amazon marketplace data, including product details, search, offers, reviews, sellers, categories, deals, best sellers, identifiers, stock, and sales estimates across 13 marketplaces.

An MCP server that enables AI assistants to search and retrieve anime figure data, collections, lists, and clubs from MyFigureCollection.net, including partner listings and barcode lookup.

Provides access to TCGplayer trading card data, including search, product details, pricing, and market information, enabling natural language queries for card analysis.

A production-grade MCP server for the Amazon Selling Partner API that provides a complete registry of 353 operations across 49 API domains, enabling discovery, description, and invocation of SP-API operations with version awareness and safety controls.

Enables searching and retrieving Magento 2 REST API documentation offline via local OpenAPI parsing, supporting endpoint search, schema lookup, and category browsing.

Fetch live Amazon product data using Amazon Scraper API MCP server

A Model Context Protocol server that provides discovery-first vehicle inventory search through the Stock API. Enables users to explore inventory with overviews, sample vehicles, and intelligent refinement suggestions.

Enables AI assistants to fetch, search, and organize menu information from For Five Coffee café. Provides access to complete menu data, category filtering, and item search capabilities through both MCP and REST API interfaces.

Enables WhatsApp Business messaging through Evolution API with support for creating instances, sending messages using dynamic templates, and managing contacts and groups. Includes 10+ predefined message templates for common business scenarios like order confirmations, appointment reminders, and promotional messages.

Enables AI assistants to interact with BigCommerce stores through comprehensive REST API integration. Provides tools for managing products, customers, and orders with advanced filtering and relationship tracking capabilities.

MCP Server for the LINE Shopping API, enabling AI agents and tools to interact with LINE Shopping data and operations via the Model Context Protocol.