"Free tools or resources that do not require an API" matching MCP connectors:
Matching Connector Tools:
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
The agent-native cloud: database, functions, AI, storage, computers. 55 tools, one API key.
Build, validate, deploy — HTTP APIs, cron jobs, webhooks and MCP tools — from your AI client. Air Pipe MCP token as a bearer credential, e.g. 'Authorization: Bearer <token>'. Create one at https://app.airpipe.io/
Airtable MCP Pack — wraps the Airtable REST API v0
Find novel, statistically validated patterns in tabular data — hypothesis-free.
Read-only MCP server for HolyDB: find Catholic parish Mass times by location and time.
Search, compare & filter 102,191 European car variants — 180 specs, 19 languages, EV data.
Registry of companies selling AI agents identity, phone, email, addresses, money, legal, insurance
Vérification B2B française : SIRET, SIRENE, dirigeants RNE, santé d'entreprise. Hébergé en France.
Zero-key temporary JSON database for agents: one tool call, no signup, no OAuth, no API keys.
Public-registry routing map by entity kind. Read-only reference data, not a determination.
Deterministic safety, correctness & cost gate that vets Postgres SQL before your AI agent runs it.
Comprehensive PostgreSQL documentation and best practices, including ecosystem tools
Sandbox workspace tools: search, file read, DB queries, integrations. Returns synthetic data.
Reporting and queries over Astrea (Aurum), Brazilian legal-practice software: cases per client, cale
China's apparel supply chain data for AI: 1,000+ suppliers, 350+ fabrics, 170+ clusters.
Read-only analytics for Convex apps, queryable via MCP from Claude, Cursor, and other clients.
It connects with Smart Data models database with more than 1000 open licensed data models and helps you to create applications and systems interoperable with existing standards or real applications
Interact with your Google Cloud Datastream resources using natural language commands.