SERVER

Rubric MCP Server

Rank #82,361

io.github.0xsims/rubric-mcp

Attested evidence tools for AI agents: sanctions screening, agent/wallet records, paid via x402.

1 version

by 0xsims (4 servers)View repository ↗

Listed & last published

Jul 28, 2026

PURPOSE

What you can do with Rubric MCP Server

Rubric MCP Server is a Model Context Protocol (MCP) server published by 0xsims. It ranks #82,361 of 167,945 active servers on MCP Toplist. Rubric MCP Server is listed on Official MCP, with 1 tracked version. It was first listed on Jul 28, 2026 and most recently updated on Jul 28, 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 Rubric MCP Server 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 Rubric MCP Server

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 Nov 3, 2026. Not independently verified by MCP Toplist.

Declared in the registry install config

RUBRIC_WALLET_KEY · optional
RUBRIC_X402_DAILY_LIMIT · optional
RUBRIC_API_KEY · optional
RUBRIC_MCP_MODULES · optional

INSTALLATION AND FIRST TASK

Connect Rubric MCP Server and confirm it works

npm package

claude mcp add rubric-mcp -e "RUBRIC_WALLET_KEY=<your RUBRIC_WALLET_KEY>" -e "RUBRIC_X402_DAILY_LIMIT=<your RUBRIC_X402_DAILY_LIMIT>" -e "RUBRIC_API_KEY=<your RUBRIC_API_KEY>" -e "RUBRIC_MCP_MODULES=<your RUBRIC_MCP_MODULES>" -- npx -y @rubric-protocol/mcp-server

Replace each placeholder with your own value before saving.

npm package

[mcp_servers.rubric-mcp]
command = "npx"
args = ["-y", "@rubric-protocol/mcp-server"]

[mcp_servers.rubric-mcp.env]
RUBRIC_WALLET_KEY = "<your RUBRIC_WALLET_KEY>"
RUBRIC_X402_DAILY_LIMIT = "<your RUBRIC_X402_DAILY_LIMIT>"
RUBRIC_API_KEY = "<your RUBRIC_API_KEY>"
RUBRIC_MCP_MODULES = "<your RUBRIC_MCP_MODULES>"

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

npm package

{
  "mcpServers": {
    "rubric-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@rubric-protocol/mcp-server"
      ],
      "env": {
        "RUBRIC_WALLET_KEY": "<your RUBRIC_WALLET_KEY>",
        "RUBRIC_X402_DAILY_LIMIT": "<your RUBRIC_X402_DAILY_LIMIT>",
        "RUBRIC_API_KEY": "<your RUBRIC_API_KEY>",
        "RUBRIC_MCP_MODULES": "<your RUBRIC_MCP_MODULES>"
      }
    }
  }
}

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

npm package

{
  "mcpServers": {
    "rubric-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@rubric-protocol/mcp-server"
      ],
      "env": {
        "RUBRIC_WALLET_KEY": "<your RUBRIC_WALLET_KEY>",
        "RUBRIC_X402_DAILY_LIMIT": "<your RUBRIC_X402_DAILY_LIMIT>",
        "RUBRIC_API_KEY": "<your RUBRIC_API_KEY>",
        "RUBRIC_MCP_MODULES": "<your RUBRIC_MCP_MODULES>"
      }
    }
  }
}

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

npm package

{
  "servers": {
    "rubric-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@rubric-protocol/mcp-server"
      ],
      "env": {
        "RUBRIC_WALLET_KEY": "<your RUBRIC_WALLET_KEY>",
        "RUBRIC_X402_DAILY_LIMIT": "<your RUBRIC_X402_DAILY_LIMIT>",
        "RUBRIC_API_KEY": "<your RUBRIC_API_KEY>",
        "RUBRIC_MCP_MODULES": "<your RUBRIC_MCP_MODULES>"
      }
    }
  }
}

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

npm package

{
  "mcpServers": {
    "rubric-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@rubric-protocol/mcp-server"
      ],
      "env": {
        "RUBRIC_WALLET_KEY": "<your RUBRIC_WALLET_KEY>",
        "RUBRIC_X402_DAILY_LIMIT": "<your RUBRIC_X402_DAILY_LIMIT>",
        "RUBRIC_API_KEY": "<your RUBRIC_API_KEY>",
        "RUBRIC_MCP_MODULES": "<your RUBRIC_MCP_MODULES>"
      }
    }
  }
}

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

npm package

{
  "mcpServers": {
    "rubric-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@rubric-protocol/mcp-server"
      ],
      "env": {
        "RUBRIC_WALLET_KEY": "<your RUBRIC_WALLET_KEY>",
        "RUBRIC_X402_DAILY_LIMIT": "<your RUBRIC_X402_DAILY_LIMIT>",
        "RUBRIC_API_KEY": "<your RUBRIC_API_KEY>",
        "RUBRIC_MCP_MODULES": "<your RUBRIC_MCP_MODULES>"
      }
    }
  }
}

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.

ALTERNATIVES

When to choose another server

Other servers by 0xsims

View all 0xsims servers →

No task-specific alternatives are catalogued for Rubric MCP Serveryet; the list above is its publisher's other servers.

MAINTENANCE AND EVIDENCE

What changed, and when this was checked

First listed: Jul 28, 2026
Latest version published: Jul 28, 2026
Version history: 1 version tracked (below)
Requirements evidence: Declared by the Official MCP Registry, last synced Nov 3, 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: Jul 28, 2026

Registry sightings

Official MCP ↗listed since Jul 28, 2026 · still listed

Do you maintain Rubric MCP Server? to correct or enrich this profile.

VERSIONS

Available versions (1)

Version	Published
2.2.2	Jul 28, 2026

STANDING

#82,361of 167,945 active serversTop 50%

Ranks ahead of 85,584 of 167,945 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.0xsims%2Frubric-mcp.svg)](https://mcptoplist.com/server/io.github.0xsims%2Frubric-mcp)

HTML

<a href="https://mcptoplist.com/server/io.github.0xsims%2Frubric-mcp"><img src="https://mcptoplist.com/badge/io.github.0xsims%2Frubric-mcp.svg" alt="MCP Toplist: Top 50% of 167,945" /></a>

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

FAQ

Frequently asked questions

Who maintains Rubric MCP Server?: Rubric MCP Server is maintained by 0xsims, which publishes 4 MCP servers (7 total versions) tracked on MCP Toplist.
Is Rubric MCP Server listed on the Official MCP Registry?: Yes — Rubric MCP Server is listed on the Official MCP Registry.
How many versions does Rubric MCP Server have?: MCP Toplist tracks 1 version of Rubric MCP Server, most recently published on Jul 28, 2026.
Where can I find the source code for Rubric MCP Server?: The source code for Rubric MCP Server is hosted at github.com/0xsims/rubric-mcp.

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