"Free PostgreSQL Database Solutions" matching MCP connectors:
Matching Connector Tools:
Free anonymous website, DNS, email and TLS checks, plus read-only access to your monitors.
Free uptime monitoring: HTTP/TCP/TLS/DNS checks, cron heartbeats, status pages, incident tools.
Free AI-powered DXP tools by Oshyn: GEO & Reliability scan, Choose New DXP and Estimate DXP Budget.
Check an MCP endpoint resolves: liveness, live tool list, schema drift. Free.
URLhaus MCP — wraps abuse.ch URLhaus malware URL database (free, no auth)
ThreatFox MCP — abuse.ch indicator-of-compromise feed (free, key required)
Core Web Vitals metrics by CMS, CDN, and framework — free remote MCP, no auth.
SSL/TLS scanning, free Let's Encrypt issuance, and certificate-expiry monitoring.
Independent A-F trust grade for any MCP server, watched for drift. Free, never for sale.
Track cost, latency, and usage of every MCP tool call from any client (Claude, Cursor, Windsurf). Free 25K calls/month — open-source proxy, EU-hosted.
SSRF-safe web intelligence: 4 outcomes, 43 paid x402 tools, 3 free tools and a URL preview.
AI data intelligence platform that brings your data warehouse, dashboards, monitoring, and accumulated business knowledge into any MCP client. Connects to BigQuery, Snowflake, PostgreSQL, MySQL, ClickHouse, Redshift, Databricks, SQL Server, and Azure Synapse.
Uptime, SSL, domain, and Core Web Vitals monitoring for websites and APIs. List, create, update, and pause monitors; read incident history with AI-generated diagnosis; pull Lighthouse and CrUX page speed data. OAuth 2.0 with dynamic client registration — works out of the box with Claude Desktop connectors. Free plan: 20 monitors, read-only MCP.
AI visibility across 8 LLM platforms. 30 tools, most need no API key. EU-hosted, free.
npm package trends and weekly downloads over time. Free key at trendsmcp.ai
DeskMonitor: 24 workforce-intelligence MCP tools, OAuth 2.1, free demo key included.
Hosted MCP server for PostgreSQL diagnostics: slow queries, missing indexes, connection pressure.
Free MCP tools: the only MCP linter, health checks, cost estimation, and trust evaluation.