Koskamo

APEX PSI MCP

An MCP server that provides append-only evidence receipts for AI decisions and documents. It allows agents to seal records by hashing them to a public ledger, verify integrity, anchor to Bitcoin, cite receipts, and verify chains. Verification is free and requires no account.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

APEX PSI MCP logo, by kawal393Community listingLocal stdioSource reviewed; not executedPublished by kawal393
You need:Verification is free and needs no account
Vendor documentation

Checks and signals

Each line is separate evidence, not a trust score.

  • Popularity 1 GitHub star

What you can do with it

  • Seal a record's SHA-256 hash to a public append-only ledger
  • Verify a hash against the public ledger to check integrity
  • Read Bitcoin anchoring status of the ledger's Merkle roots
  • Cite a receipt in APA, BibTeX, or MLA format

Source and maintenance

Community listingRegistry 1.1.2
mcp-registry: io.github.kawal393/apex-psi-mcp@1.1.2Source repository
Last repository push
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

apex-psi-mcp 1.1.2

npm
apex-psi-mcp package definition
{
  "version": "1.1.2",
  "transport": "stdio",
  "identifier": "apex-psi-mcp",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "APEX_API_BASE",
      "format": "string",
      "description": "Optional API base URL override. Default: https://qhtntebpcribjiwrdtdd.supabase.co/functions/v1 (the public APEX PSI notary). Free allowance with no key: 20 operations/minute, 100/day."
    },
    {
      "name": "APEX_API_KEY",
      "format": "string",
      "description": "Optional API key. It raises the daily ceiling for a workload; it is never required to seal or to verify, and it cannot change what a receipt is allowed to claim."
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · repository · passed · metadata changed · updated
  • · backfill · recorded · Pre-expansion baseline; unobserved rich metadata remains unknown

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "apex-psi-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "apex-psi-mcp@1.1.2"
      ],
      "env": {
        "APEX_API_BASE": "<YOUR_APEX_API_BASE>",
        "APEX_API_KEY": "<YOUR_APEX_API_KEY>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "apex-psi-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "apex-psi-mcp@1.1.2"
      ],
      "env": {
        "APEX_API_BASE": "<YOUR_APEX_API_BASE>",
        "APEX_API_KEY": "<YOUR_APEX_API_KEY>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "apex-psi-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "apex-psi-mcp@1.1.2"
      ],
      "env": {
        "APEX_API_BASE": "<YOUR_APEX_API_BASE>",
        "APEX_API_KEY": "<YOUR_APEX_API_KEY>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "apex-psi-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "apex-psi-mcp@1.1.2"
      ],
      "env": {
        "APEX_API_BASE": "<YOUR_APEX_API_BASE>",
        "APEX_API_KEY": "<YOUR_APEX_API_KEY>"
      }
    }
  }
}

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