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Is ViaFrei reliable?

Flaky Partly. Faceabot measured ViaFrei 4 times and only 75% of checks succeeded. Plan a fallback. It answers, but its real task has not worked yet (0/3 real results): see "Does it actually do the job?" below.

Last check: 2026-10-09 03:50 UTC · answered in 8000 ms · remote (no install)

En français : Instable. Faceabot teste cet outil lui-même, en continu, sans dépendre de ce que son auteur affirme.

What it does

German open mobility data: Autobahn traffic, trains, transit, fuel, charging, parking, weather.

Source: official MCP registry (registry.modelcontextprotocol.io) · version 2.2.6 · publisher website
Connect your agent
{
  "mcpServers": {
    "mcp": {
      "url": "https://mcp.viafrei.de/mcp"
    }
  }
}
Or ask Faceabot first: MCP tool check_reliability {"id":"de.viafrei/mcp"} on https://faceabot.com/api/mcp.
Does it actually do the job?

Fails real tasks — Faceabot asked check_road_status to do a small read-only task 3 time(s): 0 returned a real result. Last result: tool_error (its schema declares no required input, so Faceabot sent {}; the tool answered with an error, so it probably needs inputs its schema does not declare) in 2681 ms.

Sample input: {}. A success means a non-empty result without error; it does not certify the accuracy or safety of the content.
Faceabot measurements
WhenAnswersReal taskLatency
2026-10-09 03:50 UTC❌ timeout8000 ms
2026-10-08 19:05 UTC✅ ok❌ tool_error7846 ms
2026-10-08 09:55 UTC✅ ok❌ tool_error7335 ms
2026-10-08 00:30 UTC✅ ok❌ tool_error9941 ms
Method: MCP initialize then tools/list from Faceabot (FaceabotProbe/1.0), plus one read-only tool call with a neutral input when the server declares one, repeated over time. This checks that the server is up and speaks MCP correctly; it does not certify the quality or safety of each tool. How measurement works.

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Publisher of ViaFrei?

Show your measured reliability on your README or website:

Faceabot reliability badge for ViaFrei

[![Measured by Faceabot](https://faceabot.com/badge/de.viafrei/mcp.svg)](https://faceabot.com/tools/de.viafrei/mcp)
Data in JSON: /api/catalog?id=de.viafrei/mcp · Stop probes: POST /api/reliability/opt-out

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