tirekick
ServersHow grading worksSubmit
Check a server
Live connection test
We connect to every server for real, not just list it.
Schema validation
Every advertised tool is checked against the MCP spec.
Reliability grade
One easy A–F score, from those automated checks.
tirekick

Every MCP server in the registry, tested and graded before your agent depends on it.

Directory
ServersSubmit a serverCheck a serverHow grading works
Legal
TermsPrivacy
© 2026 tirekickBuilt by the team behind Clamp Analytics
  1. Servers
  2. Quizlar — voice-powered AI flashcards with spaced repetition

Quizlar — voice-powered AI flashcards with spaced repetition

io.github.quizlar/mcp-server

Voice-led, FSRS-scheduled flashcards from YouTube, PDFs, web, or text. Auto-graded quizzes.

Other

Check history

updated 39d ago·re-checked weekly

DateGradeErrorsWarnings
2026-08-17auth required——
2026-08-10auth required——
2026-08-03auth required——
2026-07-27auth required——
2026-07-20auth required——
2026-07-08auth required——

Graded by connecting to the live server and validating every tool schema. Grades re-run on every sync. Findings and grades are never editable by the publisher.

Related servers

AwelcomeARevdokuAClamp AnalyticsACipherHUB Cryptography ToolkitAevents

Kick the tires on your own server: run a check

Grade
–

Not graded: requires credentials before it lists tools.

How grading works

Install

Claude Code (remote)

claude mcp add --transport http io-github-quizlar-mcp-server https://mcp.quizlar.app/mcp/

Endpoint (streamable HTTP)

https://mcp.quizlar.app/mcp/

Verify it yourself

npx tirekick check https://mcp.quizlar.app/mcp/
Links
  • MCP registry entry
  • Your server? Claim this listing