How to Verify Historical Claims with Claude
Fact-check web claims with Claude and ToolRouter. Verify what was published using Wayback Machine evidence.
Tool
Claude turns Wayback Machine research into a deep-dive investigation from your terminal where you follow leads as they emerge. Start with a URL, explore available snapshots interactively, and pivot your research based on what you discover in each archived version. The session-based workflow excels at tracing how websites evolved over time, letting you compare versions side by side, document changes methodically, and build a narrative of how a site transformed -- whether for competitive intelligence, legal evidence, or historical research.
Connect ToolRouter to Claude
1Go to Settings → Connectors → Add custom connector
2Enter the details below and click Add
Name
ToolRouterURL
https://api.toolrouter.com/mcp3Done — works on Claude chat, desktop, and mobile
Steps
Once connected (see setup above), use the Web Archive tool:
- Ask Claude: "Check if company.com/press-release had a Wayback Machine capture on March 15, 2024 using web-archive"
- Claude checks for archived snapshots around that date
- Ask: "What did the page actually say at that time?"
- Claude retrieves the archived content as evidence
Example Prompt
Try this with Claude using the Web Archive tool
A company claims they published a safety warning in January 2024. Check if company.com/safety-notice was actually live in January 2024 using the Wayback Machine.
Tips
- Specify the exact date range to find the most relevant snapshot
- Ask Claude to compare the claimed content with what was actually archived
- Archive URLs serve as verifiable evidence with timestamps