APEX PSI MCP Server

Cryptographic truth infrastructure for AI agents.

What It Does

This MCP server provides 5 tools that let any AI agent (Claude, Cursor, Copilot, etc.) stamp cryptographic receipts on content, verify them, anchor them to Bitcoin, generate citations, and audit chains of receipts.

Related MCP server: Cryptair MCP Server

Tools

Installation

For AI Agents (MCP Clients)

Add to your MCP client config:

{
  "mcpServers": {
    "apex-psi": {
      "command": "npx",
      "args": ["-y", "@apex/psi-mcp-server"]
    }
  }
}

For Developers

npm install @apex/psi-mcp-server

Configuration

Set these environment variables:

• APEX_API_BASE — API endpoint (default: https://sovereign-ai.services/api)

• APEX_API_KEY — API key for authenticated access (optional)

Usage

Once installed, your AI agent can:

1. Seal content — "Seal this document with APEX PSI"

2. Verify receipts — "Verify this receipt is authentic"

3. Anchor to Bitcoin — "Anchor this receipt to the Bitcoin blockchain"

4. Generate citations — "Cite this receipt in APA format"

5. Audit chains — "Audit this chain of receipts"

Links

• Website: https://sovereign-ai.services

• MCP Registry: https://registry.modelcontextprotocol.io (search: apex-psi)

• GitHub: https://github.com/apex-psi/mcp-server

• npm: https://www.npmjs.com/package/@apex/psi-mcp-server

License

MIT