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Servers Playground How we check Submit a server

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Every listing comes from the official MCP Registry. We connect to each remote server on a schedule and publish what happened. Ranking uses health and recency only; nobody pays to rank higher.

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How we check Submit a server MCP Registry

Onto MCP server | mcptry

O

Onto

Needs sign-in

io.github.ravixalgorithm/ontov1.5.2

Clean Markdown and AI-readability scoring for any URL. Built for AI agents.

Source Website Registry entry

Try it

This server signs you in with OAuth, which the playground doesn't support yet. Install it in your MCP client to try it.

Tools

We haven't seen a tool list from this server yet.

Health

The server is up but asks for credentials before it will talk.

Uptime, 30 days: 100%
Uptime, 90 days: 100%

Oct 23, 2026Oct 23, 2026

https://api.buildonto.dev/mcp

Last check Oct 23, 18:38 UTC: auth required

Install

Remotestreamable-http

https://api.buildonto.dev/mcp

Claude Code

claude mcp add --transport http onto https://api.buildonto.dev/mcp

Local (npm)stdio

npx -y @ontosdk/[email protected]

Environment: ONTO_API_KEY (required), ONTO_API_BASE

How it ranks

59/100

Works right now: 30/40
Uptime, 30 days: 15/15
Tool quality: 0/15
Complete listing: 11/15
Domain verified: 0/5
Speed: 0/5
Recently updated: 3/5

How scoring works