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Fallback

io.github.baronsigma/fallback-agent-tools · v0.1.0-beta.1

Tiny paid recovery and decision utilities for autonomous agents.

Connect Remote server

Terminal
claude mcp add --transport http fallback-agent-tools https://fallback.factrail.online/mcp
~/.cursor/mcp.json
{
  "mcpServers": {
    "fallback-agent-tools": {
      "url": "https://fallback.factrail.online/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "fallback-agent-tools": {
      "type": "http",
      "url": "https://fallback.factrail.online/mcp"
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://fallback.factrail.online/mcp

Tools 4 found in our last check

  • source_route

    Find likely authoritative or machine-readable sources when you know what information you need but not where to retrieve it. Provide a goal and optional publisher domain or start URL; it returns ranked candidate routes and bounded evidence. Use it before blind searching. Do not u…

  • error_route

    Diagnose a failed API, HTTP, MCP, or tool request and return a bounded safe next action. Use it after a request fails when the safe next step is unclear. Provide a status, response, or error text; it does not execute requests or verify undocumented fixes. Price: $0.002 USD per c…

  • request_repair

    Repair a failed API or HTTP request using only supplied schema and error evidence. Use after error_route identifies a request-shape or input problem. Returns the smallest justified request changes and abstains when evidence is insufficient. Price: $0.005 USD per call via x402.

  • stop_search

    Decide whether another search or paid retrieval is worth the cost based on the scope already checked. Use after several search or source checks when you need to decide whether to continue or return a scoped not-found result. It does not prove universal absence and performs no se…

Details

Endpointhttps://fallback.factrail.online/mcp (Streamable HTTP)
First published6 Oct 2026
Last updated6 Oct 2026
Registry nameio.github.baronsigma/fallback-agent-tools

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