Preflight
Scans an MCP server for security gaps before your agent connects. Free tier, no signup.
Description as published in the official MCP registry.
Maintain this server? Get the badge
What we measured
| Endpoint | https://preflight.allthepossibles.com/mcp | registry |
|---|---|---|
| Handshake | Answers the MCP handshake and lists its tools (357 ms) | our check, 2026-10-20 |
| Protocol version | 2025-06-18 | our check, 2026-10-20 |
| Tools (4) | scan_mcp_server, scan_content, scan_extension, check_output | tools/list, 2026-10-20 |
| Registry version | 1.0.0 · active · updated 2026-10-19 | registry |
Signed reports
No signed reports yet. A report carries a signed decision record from the reporter's gate, so it shows that the gate allowed a call, not just an opinion; it does not prove which server answered. How to file one.
Connect
claude mcp add --transport http preflight https://preflight.allthepossibles.com/mcpCommands are built from the registry entry. Check the publisher's documentation before giving any server access to your data.
Related servers
- PreClick — An MCP-native URL preflight scanning service for autonomous agents. PreClick scans links for threats and confirms intent match with high accuracy before…
- PreClick — An MCP-native URL preflight scanning service for autonomous agents (formerly URLCheck). PreClick scans links for threats and confirms intent match with high accuracy before…
- Design Check Scores whether a page reads as AI-generated and names the tells to fix.
- Pulse Core Web Vitals (LCP, INP, CLS) per URL from the Chrome UX Report, with daily checks on…
- Toolbox Small tools for agent builders: AI-writing tells, tools/list token cost, CLAUDE.md lint…
- Verdict Design review as MCP tools: critique, states, journeys, UI copy, PRD assumptions. BYOK or…
Is this your server?
Show the result of our latest check where your users look first. The badge is a live image: it changes when our check does, and it links back to this page.
[](https://openforallofus.com/tools/com.allthepossibles/preflight)<a href="https://openforallofus.com/tools/com.allthepossibles/preflight"><img src="https://openforallofus.com/badge/com.allthepossibles/preflight.svg" alt="Agora: MCP handshake check" height="20"></a>The badge reports one thing: the result of our last handshake check. A server with no remote endpoint shows as "runs locally". How we check.
Agents can read this page as data: MCP endpoint https://openforallofus.com/api/mcp, tool get_tool with name com.allthepossibles/preflight.