    servers/
        ai-agents/
        factstamp
  

FA

FactStamp

Unverified Claim & verify → AI & Agents

Paid verification for agents: cited, dated answers with a signed receipt that verifies offline.

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Overview Installation

Overview

FactStamp is a Model Context Protocol server that provides paid verification for AI agents, delivering cited and dated answers with a signed receipt that verifies offline. Any MCP-compatible AI assistant can call FactStamp's tools directly, allowing the model to decide when to use them during conversations or agent runs.

The server runs as a hosted remote endpoint at https://factstamp.agentrails.workers.dev/mcp with no authentication required and no local installation needed. The current release is v0.1.0.

FactStamp is listed in the AI & Agents category on mcp.site and is compatible with MCP clients including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf, Zed, and others across the ecosystem. If you maintain FactStamp, claim this listing to verify ownership and keep the information up to date.

▸Hosted endpoint — Streamable HTTP · https://factstamp.agentrails.workers.dev/mcp

Installation

Settings → Connectors → Add custom connector
Name: FactStamp
URL:  https://factstamp.agentrails.workers.dev/mcp

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