Timestamped URL observations with SHA-256 fingerprints, paid per call via x402 on Base.
About
FreshProof is a remote MCP server for timestamped observations of public URLs. It fetches public HTTP content, computes a SHA-256 fingerprint of the response body, records observation metadata, and can reuse a recent shared observation when allowed by max_age. Set max_age to 0 to force a new public-network HTTP request. The paid observe_url tool costs US$0.005 per call in USDC on Base via x402.
Security Report
Remote MCP endpoint verified (300ms response). Server: FreshProof. 2 tools available. 2 trust signals: valid MCP protocol, known domain (workers.dev). No security issues detected.
2 tools verified · Open access · 1 issue found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Remote servers are capped at 8.0 because source code is not available for review. The score reflects endpoint verification only.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
How to Connect
Remote Plugin
No local installation needed. Your AI client connects to the remote endpoint directly.
Add this to your MCP configuration to connect:
{
"mcpServers": {
"freshproof": {
"url": "https://freshproof.ricardobessellp-11d.workers.dev/mcp"
}
}
}Getting Started
Once installed, try these example prompts and explore these capabilities:
- 1Observe https://example.com and return a timestamped SHA-256 fingerprint.
- 2Observe https://example.com with max_age 0 to force a new public-network HTTP request.
- 3Use freshproof_info to see pricing, network and observation semantics.
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