APEX PSI MCP Server

Apex PSI is not a tool and not a product. It is the verification substrate — the layer beneath proof. It does not judge. It does not certify. It only remembers. This server is an application built…

Local serverstdioMIT

What is the APEX PSI MCP Server?

apex-psi-mcp-server is an MCP project maintained in the kawal393/apex-psi-mcp-server repository. The maintainer describes its purpose as “Apex PSI is not a tool and not a product. It is the verification substrate — the layer beneath proof. It does not judge. It…”. Read the project documentation for the complete scope.

Installation

The documented npm package is apex-psi-mcp. The configuration below comes from the maintainer’s example; adapt its paths and account values to your environment.

Source

Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-13.

Recorded tools

Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.

ToolWhat it does
sealStamp a cryptographic receipt on content (SHA-256 + Ed25519 + post-quantum LMS-W4)
verifyConfirm a receipt's integrity (hash present in the append-only ledger)
anchorRead Bitcoin anchoring status (default), or request anchoring of pending roots
citeGenerate a citation for a receipt (APA, BibTeX, MLA)
verify_chainIndependently verify a chain of receipts for integrity

How to install the APEX PSI MCP Server

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

From the project documentation. Replace placeholders and example paths before connecting.