INDIVIDUAL MCP TOOL

error_route

Diagnose a failed API, HTTP, MCP, or tool request and return a bounded safe next action.

factrail.onlinenone authenticationAvailability not checked

LIVE ENDPOINT

https://fallback.factrail.online/mcp

No auth detected

Connect to this endpoint to inspect the live schema for error_route and invoke it with your own arguments.

{}

Inferred read-only · medium confidence · heuristic, not a guarantee.

No write-capable action terms were found; this is not proof that invocation has no side effects.

CONNECT WITH APPROVAL

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.fallback]
url = "https://fallback.factrail.online/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "fallback": {
      "type": "http",
      "url": "https://fallback.factrail.online/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: fallback
Remote MCP URL: https://fallback.factrail.online/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "fallback": {
      "url": "https://fallback.factrail.online/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "fallback": {
      "type": "http",
      "url": "https://fallback.factrail.online/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "fallback",
  "transport": "streamable-http",
  "url": "https://fallback.factrail.online/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

source_route — Find likely authoritative or machine-readable sources when you know what information you need but not where to retrieve it.
request_repair — Repair a failed API or HTTP request using only supplied schema and error evidence.
stop_search — Decide whether another search or paid retrieval is worth the cost based on the scope already checked.