"F-Droid" matching MCP connectors:

GuardrA

io.guardr

Guardr keeps watch on the sites you manage. Check any domain from outside and get an A to F health grade for HTTP headers, TLS, DNS and cookies, with fix steps for configuration findings. Three tools: check_site runs a fresh check of one domain, list_sites lists the sites your account watches and get_site returns one watched site in detail. Read-only: Guardr proposes fixes and never changes a site. Needs a Guardr API key; the first site is free.

Psyche audits for AI agents: declared vs self-reported vs revealed objectives, diffed and flagged.

Agent Workspace PracticeA

io.github.jimy-r

Search + patterns, maturity assessment, context pricing, redaction checks - a practice as tools.

State of Web VitalsA

io.github.corewebvitals

Core Web Vitals metrics by CMS, CDN, and framework — free remote MCP, no auth.

X-Correlation-Id charset, value discarded

W3C traceparent 4-part shape, value discarded

UTC nanosecond 9-digit band

X-Forwarded-For comma count, value discarded

Live status and health checks for AI coding providers: Claude, Cursor, Copilot, Codex and more.

CF-Ray id hex shape, value discarded

The official MCP server for Lizard (lizard.build). Ship a service, add Managed Postgres, Managed Redis or Managed Object Storage, read logs and metrics, set secrets, scale replicas and attach domains — in plain words. 33 tools over Streamable HTTP, OAuth 2.1; destructive tools require an explicit confirmation argument.