---
title: ToolRouter — Agent Use Case Guide
description: Step-by-step guide for completing a task with a specific AI agent using ToolRouter.
url: https://toolrouter.com/tools/web-archive/use-cases/verify-historical-claims/copilot
---
# How to Verify Historical Claims with Copilot

Copilot brings Wayback Machine access into your IDE for the moments when development requires historical context from the web. Check how a third-party API documentation looked six months ago, verify when a dependency changelog entry was added, recover deleted technical references, or investigate when a competitor shipped a specific feature -- all without leaving your editor or breaking your development flow. This integration is especially valuable when debugging integration issues that may trace back to upstream documentation changes.

## Setup

{"mcpServers":{"toolrouter":{"command":"npx","args":["-y","toolrouter-mcp"]}}}

## Steps

1. Add ToolRouter to Copilot MCP config
2. In Copilot Chat: "Check Wayback Machine for archives of this URL from the claimed date using web-archive"
3. Copilot confirms whether the content was archived
4. Ask: "Does the archived version match the claim?"
5. Document the findings in your research

## Example Prompt

```
A vendor claims their SDK documentation has always included the deprecation notice. Check the Wayback Machine for their docs page from 6 months ago.
```

## Tips

- Use for verifying vendor claims about API stability or documentation accuracy
- Copilot can help document evidence in structured formats
- Ideal for technical disputes where documentation history matters
