mcp

{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "name": "com.pcrzero/mcp",
  "description": "Issue signed receipts for AI agent actions; verify any receipt offline - free, no account.",
  "repository": {
    "url": "https://github.com/Scytalex-LLC/pcrzero-mcp",
    "source": "github"
  },
  "version": "0.2.0",
  "websiteUrl": "https://pcrzero.com/mcp",
  "packages": [
    {
      "registryType": "npm",
      "identifier": "@scytalex-llc/pcrzero-mcp",
      "version": "0.2.0",
      "transport": {
        "type": "stdio"
      },
      "environmentVariables": [
        {
          "description": "PCRZERO API key (ak_live_… / ak_test_…). Optional for stdio free tools; required for issue_receipt. In streamable-http client_key mode, prefer per-request Authorization header instead.",
          "format": "string",
          "isSecret": true,
          "name": "PCRZERO_API_KEY"
        }
      ]
    },
    {
      "registryType": "npm",
      "identifier": "@scytalex-llc/pcrzero-mcp",
      "version": "0.2.0",
      "transport": {
        "type": "streamable-http",
        "url": "http://127.0.0.1:3333/mcp"
      },
      "environmentVariables": [
        {
          "description": "Set to http to enable streamable-http transport (default stdio).",
          "format": "string",
          "name": "PCRZERO_MCP_TRANSPORT"
        },
        {
          "description": "HTTP auth mode: client_key (default, per-request API key header — required for remote/Bazaar) or env_key (loopback sidecar only).",
          "format": "string",
          "name": "PCRZERO_MCP_AUTH_MODE"
        },
        {
          "description": "Optional process env API key for env_key (loopback) mode only. Never used as a shared multi-client key in client_key mode. issue_receipt always requires a key.",
          "format": "string",
          "isSecret": true,
          "name": "PCRZERO_API_KEY"
        }
      ]
    }
  ],
  "remotes": [
    {
      "type": "streamable-http",
      "url": "https://mcp.pcrzero.com/mcp",
      "headers": [
        {
          "description": "Bearer ak_live_… / ak_test_…. Required only for issue_receipt. verify_receipt and get_keyset work without it.",
          "format": "string",
          "isSecret": true,
          "name": "Authorization"
        }
      ]
    }
  ]
}