SERVER

Rein

Rank #8,279

io.github.bugiiiii11/rein

Spend limits for AI agents that pay with x402: every paywall is policy-checked before a cent moves.

5 versions

by bugiiiii11 (1 servers)View repository ↗

First listed

Oct 6, 2026

Last publish date

Oct 18, 2026

PURPOSE

What you can do with Rein

Rein is a Model Context Protocol (MCP) server published by bugiiiii11. It ranks #8,279 of 152,040 active servers on MCP Toplist. Rein is listed across 3 registries — Official MCP, Glama and mcp.so, with 5 tracked versions. It was first listed on Oct 6, 2026 and most recently updated on Oct 18, 2026.

Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. The repository README is the authority on what it does.

CAPABILITIES AND LIMITATIONS

What Rein can and cannot do

Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.

REQUIREMENTS

What you need before using Rein

DeclaredNo credentialsNo credentials declared

The registry listing declares no required environment variables or authentication. This is declared metadata, not a verified install — the repository README is the authority.

Declared by the Official MCP Registry, last synced Oct 25, 2026. Not independently verified by MCP Toplist.

Declared in the registry install config

REIN_AGENT_FILE · optional
REIN_ENGINE_URL · optional
REIN_AGENT_ID · optional
REIN_ENGINE_API_KEY · optional
REIN_PAYER_PRIVATE_KEY · optional
REIN_NETWORK_PROFILE · optional

INSTALLATION AND FIRST TASK

Connect Rein and confirm it works

npm package

claude mcp add rein -e "REIN_AGENT_FILE=<your REIN_AGENT_FILE>" -e "REIN_ENGINE_URL=<your REIN_ENGINE_URL>" -e "REIN_AGENT_ID=<your REIN_AGENT_ID>" -e "REIN_ENGINE_API_KEY=<your REIN_ENGINE_API_KEY>" -e "REIN_PAYER_PRIVATE_KEY=<your REIN_PAYER_PRIVATE_KEY>" -e "REIN_NETWORK_PROFILE=<your REIN_NETWORK_PROFILE>" -- npx -y @reinconsole/mcp

Replace each placeholder with your own value before saving.

npm package

[mcp_servers.rein]
command = "npx"
args = ["-y", "@reinconsole/mcp"]

[mcp_servers.rein.env]
REIN_AGENT_FILE = "<your REIN_AGENT_FILE>"
REIN_ENGINE_URL = "<your REIN_ENGINE_URL>"
REIN_AGENT_ID = "<your REIN_AGENT_ID>"
REIN_ENGINE_API_KEY = "<your REIN_ENGINE_API_KEY>"
REIN_PAYER_PRIVATE_KEY = "<your REIN_PAYER_PRIVATE_KEY>"
REIN_NETWORK_PROFILE = "<your REIN_NETWORK_PROFILE>"

Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "rein": {
      "command": "npx",
      "args": [
        "-y",
        "@reinconsole/mcp"
      ],
      "env": {
        "REIN_AGENT_FILE": "<your REIN_AGENT_FILE>",
        "REIN_ENGINE_URL": "<your REIN_ENGINE_URL>",
        "REIN_AGENT_ID": "<your REIN_AGENT_ID>",
        "REIN_ENGINE_API_KEY": "<your REIN_ENGINE_API_KEY>",
        "REIN_PAYER_PRIVATE_KEY": "<your REIN_PAYER_PRIVATE_KEY>",
        "REIN_NETWORK_PROFILE": "<your REIN_NETWORK_PROFILE>"
      }
    }
  }
}

Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "rein": {
      "command": "npx",
      "args": [
        "-y",
        "@reinconsole/mcp"
      ],
      "env": {
        "REIN_AGENT_FILE": "<your REIN_AGENT_FILE>",
        "REIN_ENGINE_URL": "<your REIN_ENGINE_URL>",
        "REIN_AGENT_ID": "<your REIN_AGENT_ID>",
        "REIN_ENGINE_API_KEY": "<your REIN_ENGINE_API_KEY>",
        "REIN_PAYER_PRIVATE_KEY": "<your REIN_PAYER_PRIVATE_KEY>",
        "REIN_NETWORK_PROFILE": "<your REIN_NETWORK_PROFILE>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.

npm package

{
  "servers": {
    "rein": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@reinconsole/mcp"
      ],
      "env": {
        "REIN_AGENT_FILE": "<your REIN_AGENT_FILE>",
        "REIN_ENGINE_URL": "<your REIN_ENGINE_URL>",
        "REIN_AGENT_ID": "<your REIN_AGENT_ID>",
        "REIN_ENGINE_API_KEY": "<your REIN_ENGINE_API_KEY>",
        "REIN_PAYER_PRIVATE_KEY": "<your REIN_PAYER_PRIVATE_KEY>",
        "REIN_NETWORK_PROFILE": "<your REIN_NETWORK_PROFILE>"
      }
    }
  }
}

Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "rein": {
      "command": "npx",
      "args": [
        "-y",
        "@reinconsole/mcp"
      ],
      "env": {
        "REIN_AGENT_FILE": "<your REIN_AGENT_FILE>",
        "REIN_ENGINE_URL": "<your REIN_ENGINE_URL>",
        "REIN_AGENT_ID": "<your REIN_AGENT_ID>",
        "REIN_ENGINE_API_KEY": "<your REIN_ENGINE_API_KEY>",
        "REIN_PAYER_PRIVATE_KEY": "<your REIN_PAYER_PRIVATE_KEY>",
        "REIN_NETWORK_PROFILE": "<your REIN_NETWORK_PROFILE>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "rein": {
      "command": "npx",
      "args": [
        "-y",
        "@reinconsole/mcp"
      ],
      "env": {
        "REIN_AGENT_FILE": "<your REIN_AGENT_FILE>",
        "REIN_ENGINE_URL": "<your REIN_ENGINE_URL>",
        "REIN_AGENT_ID": "<your REIN_AGENT_ID>",
        "REIN_ENGINE_API_KEY": "<your REIN_ENGINE_API_KEY>",
        "REIN_PAYER_PRIVATE_KEY": "<your REIN_PAYER_PRIVATE_KEY>",
        "REIN_NETWORK_PROFILE": "<your REIN_NETWORK_PROFILE>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

First successful task

After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.

MAINTENANCE AND EVIDENCE

What changed, and when this was checked

First listed: Oct 6, 2026
Latest version published: Oct 18, 2026
Version history: 5 versions tracked (below)
Requirements evidence: Declared by the Official MCP Registry, last synced Oct 25, 2026. Not independently verified by MCP Toplist.
Profile checked: Not yet — purpose, capabilities and requirements above come from registry data only
Ranking data as of: Oct 25, 2026

Registry sightings

Official MCP ↗listed since Oct 6, 2026 · still listed
Glama ↗listed since Oct 7, 2026 · still listed
mcp.so ↗listed since Oct 22, 2026 · still listed

Do you maintain Rein? to correct or enrich this profile.

VERSIONS

Available versions (5)

Version	Published
0.8.0	Oct 18, 2026
0.7.0	Oct 14, 2026
0.6.1	Oct 8, 2026
0.6.0	Oct 7, 2026
0.5.1	Oct 6, 2026

STANDING

#8,279of 152,040 active serversTop 10%

Ranks ahead of 143,761 of 152,040 servers on MCP Toplist.

BADGE

Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

Markdown

[![MCP Toplist](https://mcptoplist.com/badge/io.github.bugiiiii11%2Frein.svg)](https://mcptoplist.com/server/io.github.bugiiiii11%2Frein)

HTML

<a href="https://mcptoplist.com/server/io.github.bugiiiii11%2Frein"><img src="https://mcptoplist.com/badge/io.github.bugiiiii11%2Frein.svg" alt="MCP Toplist: Top 10% of 152,040" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

FAQ

Frequently asked questions

Who maintains Rein?: Rein is maintained by bugiiiii11, which publishes 1 MCP server (5 total versions) tracked on MCP Toplist.
Is Rein listed on the Official MCP Registry?: Yes — Rein is listed on the Official MCP Registry, alongside Glama and mcp.so.
How many versions does Rein have?: MCP Toplist tracks 5 versions of Rein, most recently published on Oct 18, 2026.
Where can I find the source code for Rein?: The source code for Rein is hosted at github.com/bugiiiii11/rein.

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