Rein

{
  "_meta": {
    "io.modelcontextprotocol.registry/official": {
      "status": "active",
      "isLatest": true,
      "updatedAt": "2026-10-18T22:53:27.501662Z",
      "publishedAt": "2026-10-18T22:53:27.501662Z",
      "statusChangedAt": "2026-10-18T22:53:27.501662Z"
    }
  },
  "server": {
    "name": "io.github.bugiiiii11/rein",
    "title": "Rein",
    "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
    "version": "0.8.0",
    "packages": [
      {
        "version": "0.8.0",
        "transport": {
          "type": "stdio"
        },
        "identifier": "@reinconsole/mcp",
        "registryType": "npm",
        "environmentVariables": [
          {
            "name": "REIN_AGENT_FILE",
            "format": "filepath",
            "description": "Path to the rein-agent.json written by `npx @reinconsole/init` (engine URL, agent id, API key, wallet)."
          },
          {
            "name": "REIN_ENGINE_URL",
            "description": "Policy engine base URL. Required unless REIN_AGENT_FILE is set."
          },
          {
            "name": "REIN_AGENT_ID",
            "description": "The one agent this server speaks for. Required unless REIN_AGENT_FILE is set."
          },
          {
            "name": "REIN_ENGINE_API_KEY",
            "isSecret": true,
            "description": "Bearer key for the engine, ideally an evaluate key narrowed to this agent."
          },
          {
            "name": "REIN_PAYER_PRIVATE_KEY",
            "isSecret": true,
            "description": "Agent wallet key. Omit for advisory mode: policy is checked, nothing is paid."
          },
          {
            "name": "REIN_NETWORK_PROFILE",
            "description": "testnet (default) or mainnet: which network's 402s this server will pay."
          }
        ]
      }
    ],
    "repository": {
      "url": "https://github.com/bugiiiii11/rein",
      "source": "github",
      "subfolder": "services/mcp"
    },
    "websiteUrl": "https://reinconsole.com",
    "description": "Spend limits for AI agents that pay with x402: every paywall is policy-checked before a cent moves."
  }
}