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PREFLIGHT — URL Routing for AI Agents

io.github.GSterlingPress/preflight · v0.7.6

Choose HTTP, browser, machine endpoint, or avoid before an agent visits an unfamiliar URL.

Connect Remote server

Terminal
claude mcp add --transport http preflight https://preflight-api-production-01a2.up.railway.app/mcp
~/.cursor/mcp.json
{
  "mcpServers": {
    "preflight": {
      "url": "https://preflight-api-production-01a2.up.railway.app/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "preflight": {
      "type": "http",
      "url": "https://preflight-api-production-01a2.up.railway.app/mcp"
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://preflight-api-production-01a2.up.railway.app/mcp

Tools 2 found in our last check

  • preflight_check

    Before fetching, crawling, scraping, opening, or browser-rendering an unfamiliar http/https URL, call this with the ACTUAL destination URL. Returns the best first route: HTTP, BROWSER, MACHINE_ENDPOINT, or AVOID, plus access/JS/size/cost hints. Do not substitute example.com when…

  • preflight_feedback

    After following a PREFLIGHT recommendation, report whether the chosen route worked so PREFLIGHT can improve future recommendations.

Details

Endpointhttps://preflight-api-production-01a2.up.railway.app/mcp (Streamable HTTP)
First published13 Sep 2026
Last updated13 Sep 2026
Registry nameio.github.GSterlingPress/preflight

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