"Examples of MCPs (Microservices Communication Protocols) That Do Not Require API Keys" matching MCP connectors:

290+ quality-scored API capabilities for AI agents across 27 countries via MCP.

Uptime monitoring: create and manage HTTP, API, SSL, ping, port and domain checks

Live censorship, China economic, and tamper-evident AI evaluation tools with bounded analysis.

Read-only Amazon SES observability: search events, inspect bounces, pull delivery stats.

AI agent infrastructure: dedup, cost prediction, validation, governance, failure intelligence.

SupplyMaven supply chain risk management data including manufacturing, port and airport congestion, border, materials and macro indexes

Audit MCP configs and skill files for over-broad scope and injection risk. 6 of 8 free.

Anomaly detection API powered by physics simulation. Scan any data for outliers.

Query 90 days of honeypot probe data: IP reputation, scanners, CVE probing, TLS/SSH fingerprints.

OpenAI organization usage and cost reporting through an admin API key connected by the user.

Official MCP: continuous supply-chain risk monitoring and early warning, not a one-off report.

CVE intelligence: exploitation (KEV/EPSS), detection coverage, fixed versions. All tools keyless.

Benchmark-first release surface with a read-only MCP endpoint and operator CLI.

Reports the launch status of YK Blueprint.

Monitoring for agencies — uptime, SSL, DNS, blocklists, AI visibility, MCP health. 8 no-auth tools.

Continuous website testing by Validoria — monitor security, SEO, performance, and accessibility.

Query analyzed WebRTC sessions: observations, deductions, experience scores, and AI summaries.

Check real-time uptime and incident status for 285 APIs and cloud services.

Peppol market intelligence and network monitoring: migrations, provider churn, leads, and uptime.

Live status for 172 cloud and SaaS vendors from their official feeds. Is it you, or is it them?