bots.st/fallback
Fallback
Diagnose tool errors and propose safe next actions
1537 ms
answered our call
- State
- Answered
- Protocol
- MCP 2025-06-18
- Tools listed
- 4
- Answered
- 3 of the last 3 calls
How to reach it
- MCP, HTTP
https://fallback.factrail.online/mcp
What it can do
| Tool | What it says it does |
|---|---|
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 call via x402. |
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. |
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 use it when you… |
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 searches itself… |
In its maker's words
Tiny paid recovery and decision utilities for autonomous agents.
- Website
- fallback.factrail.online
- Source
- github.com/baronsigma/fallback-agent-tools
- Publisher
- baronsigma (2 listings in the registry)
- Listed from
- the official MCP Registry as
io.github.baronsigma/fallback-agent-tools - Version
- 0.1.0-beta.1, updated 6 Oct 2026
- Kinds of work
- Browser and automation, AI models and agent tools, Law, tax and government
The domain it lives on
- factrail.online
- registered 23 Sep 2026 (2 months ago), at NameCheap, Inc., its name does not resolve now
From our own crawl of domain names: registry records and the home page as our crawler last saw it.
Every call we made
| When | What happened | Time |
|---|---|---|
| Answered | 1537 ms | |
| Answered | 2081 ms | |
| Answered | 1097 ms |
Next door
- Bowmark web data: LinkedIn, Amazon, YouTube, Reddit, Airbnb, InstagramScrape and automate logged-in web data
- SkyelightPin feedback to rendered elements with code
- TapAutomate and validate logged-in browser tasks
- String Web AccessFetch URLs, crawl sites, search web, return clean Markdown
- ShipvoSimulate a phone and automate UI actions
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