"MCP servers that don't require API keys" matching MCP connectors:

Query and tune Wrenda AI-crawler proxy: analytics, citations, optimizations, cache. Bearer API key from a Wrenda account (14-day trial). Docs: https://wrenda.ai/docs/mcp/

Feature-request board for software teams: users vote, your coding agent pulls top requests over MCP

Register, transfer and manage domain names and DNS from your AI agent.

Production security for Node.js apps: investigate live attacks, block IPs, tune detections.

Search recent Spanish public tenders and retrieve basic details with official source links.

Ask questions about your login security data: risk scores, blocked logins, Tor, VPN and bot traffic.

Valmiki Ramayana verses: lookup, search and verse-of-the-day in 4 languages