Keel

Keel is an open source Model Context Protocol (MCP) server that provides AI assistants with a suite of 14 network diagnostic tools via structured, validated MCP calls. It empowers AI applications to perform network diagnostics tasks such as pinging hosts, DNS lookups, traceroutes, SSL certificate checking, subnet scanning, port scans, and more, all with strong input validation and security measures. Designed for developers and anyone building AI assistants or autonomous agents requiring network troubleshooting or insight.