Live Listing Proof
Verify a public listing URL and return source-supported facts or explicit fail-closed states.
Should I use this
Quality & Safety
A
Based on automated analysis of tool definitions and protocol compliance.
Context Cost
~143Tokens (tool definitions)
~1.0 KBTypical response size
Minimal attention impact (0.11% of 128k context)
This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.
Install
One-Click Install
Add this to your `claude_desktop_config.json` file:
{
"mcpServers": {
"verify-listing": {
"url": "https://live-listing-proof.mattskowronis.workers.dev/mcp"
}
}
}Remote endpoints
https://live-listing-proof.mattskowronis.workers.dev/mcpstreamable-httpWhat it can do
Tool inventory
Tools (1)
🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
⚪verify_public_listing(url, claim)
Verify a public product, marketplace, classified, auction, or other listing immediately before an agent relies on it. Return source-supported facts when retrievable and explicit removed, blocked, unreachable, unsupported, or insufficient-evidence states rather than inventing facts.
Input Schema
{
"type": "object",
"properties": {
"url": {
"type": "string",
"maxLength": 2048,
"description": "Public HTTP or HTTPS listing page URL to inspect."
},
"claim": {
"type": "string",
"minLength": 3,
"maxLength": 2000,
"description": "Natural-language claim about current availability, price, and/or location."
}
},
"required": [
"url",
"claim"
],
"additionalProperties": false
}Community
Evidence
Recent observations
verifiedversion not recorded1 tools
verifiedversion not recorded1 tools