SERVER

Fairseal

Rank #23,351

io.fairseal/mcp-server

Verifiable entropy, provably-fair games, and receipt verification for AI agents (FairSeal API).

5 versions

by ned-del (1 servers)View repository ↗Claim this server

First listed

Aug 18, 2026

Last publish date

Sep 30, 2026

OVERVIEW

Fairseal is a Model Context Protocol (MCP) server published by ned-del. It ranks #23,351 of 137,492 servers tracked on MCP Toplist. Fairseal is listed on Official MCP, with 5 tracked versions. It was first listed on Aug 18, 2026 and most recently updated on Sep 30, 2026.

STANDING

#23,351of 137,492 tracked serversTop 25%

Ranks ahead of 114,141 of 137,492 servers on MCP Toplist.

CONNECT

Use Fairseal

No setupRuns out of the box

No credentials or required configuration declared — add it to your MCP client and go.

npm package

claude mcp add fairseal -e "FAIRSEAL_API_KEY=<your FAIRSEAL_API_KEY>" -e "FAIRSEAL_API_URL=<your FAIRSEAL_API_URL>" -e "FAIRSEAL_NOTARY_API_KEY=<your FAIRSEAL_NOTARY_API_KEY>" -e "FAIRSEAL_ANCHOR_API_KEY=<your FAIRSEAL_ANCHOR_API_KEY>" -- npx -y @fairseal/mcp-server

Replace each placeholder with your own value before saving.

npm package

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

[mcp_servers.fairseal.env]
FAIRSEAL_API_KEY = "<your FAIRSEAL_API_KEY>"
FAIRSEAL_API_URL = "<your FAIRSEAL_API_URL>"
FAIRSEAL_NOTARY_API_KEY = "<your FAIRSEAL_NOTARY_API_KEY>"
FAIRSEAL_ANCHOR_API_KEY = "<your FAIRSEAL_ANCHOR_API_KEY>"

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

npm package

{
  "mcpServers": {
    "fairseal": {
      "command": "npx",
      "args": [
        "-y",
        "@fairseal/mcp-server"
      ],
      "env": {
        "FAIRSEAL_API_KEY": "<your FAIRSEAL_API_KEY>",
        "FAIRSEAL_API_URL": "<your FAIRSEAL_API_URL>",
        "FAIRSEAL_NOTARY_API_KEY": "<your FAIRSEAL_NOTARY_API_KEY>",
        "FAIRSEAL_ANCHOR_API_KEY": "<your FAIRSEAL_ANCHOR_API_KEY>"
      }
    }
  }
}

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

npm package

{
  "mcpServers": {
    "fairseal": {
      "command": "npx",
      "args": [
        "-y",
        "@fairseal/mcp-server"
      ],
      "env": {
        "FAIRSEAL_API_KEY": "<your FAIRSEAL_API_KEY>",
        "FAIRSEAL_API_URL": "<your FAIRSEAL_API_URL>",
        "FAIRSEAL_NOTARY_API_KEY": "<your FAIRSEAL_NOTARY_API_KEY>",
        "FAIRSEAL_ANCHOR_API_KEY": "<your FAIRSEAL_ANCHOR_API_KEY>"
      }
    }
  }
}

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

npm package

{
  "servers": {
    "fairseal": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@fairseal/mcp-server"
      ],
      "env": {
        "FAIRSEAL_API_KEY": "<your FAIRSEAL_API_KEY>",
        "FAIRSEAL_API_URL": "<your FAIRSEAL_API_URL>",
        "FAIRSEAL_NOTARY_API_KEY": "<your FAIRSEAL_NOTARY_API_KEY>",
        "FAIRSEAL_ANCHOR_API_KEY": "<your FAIRSEAL_ANCHOR_API_KEY>"
      }
    }
  }
}

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

npm package

{
  "mcpServers": {
    "fairseal": {
      "command": "npx",
      "args": [
        "-y",
        "@fairseal/mcp-server"
      ],
      "env": {
        "FAIRSEAL_API_KEY": "<your FAIRSEAL_API_KEY>",
        "FAIRSEAL_API_URL": "<your FAIRSEAL_API_URL>",
        "FAIRSEAL_NOTARY_API_KEY": "<your FAIRSEAL_NOTARY_API_KEY>",
        "FAIRSEAL_ANCHOR_API_KEY": "<your FAIRSEAL_ANCHOR_API_KEY>"
      }
    }
  }
}

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

npm package

{
  "mcpServers": {
    "fairseal": {
      "command": "npx",
      "args": [
        "-y",
        "@fairseal/mcp-server"
      ],
      "env": {
        "FAIRSEAL_API_KEY": "<your FAIRSEAL_API_KEY>",
        "FAIRSEAL_API_URL": "<your FAIRSEAL_API_URL>",
        "FAIRSEAL_NOTARY_API_KEY": "<your FAIRSEAL_NOTARY_API_KEY>",
        "FAIRSEAL_ANCHOR_API_KEY": "<your FAIRSEAL_ANCHOR_API_KEY>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

BADGE

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Markdown

[![MCP Toplist](https://mcptoplist.com/badge/io.fairseal%2Fmcp-server.svg)](https://mcptoplist.com/server/io.fairseal%2Fmcp-server)

HTML

<a href="https://mcptoplist.com/server/io.fairseal%2Fmcp-server"><img src="https://mcptoplist.com/badge/io.fairseal%2Fmcp-server.svg" alt="MCP Toplist: Top 25% of 137,492" /></a>

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

REGISTRIES

Listed on 2 registries

Official MCP

ORGANIZATION

ned-del

Organization

ned-del

Servers in org

Versions across org

VERSIONS

Available versions (5)

Version	Published
0.2.4	Sep 30, 2026
0.2.3	Sep 27, 2026
0.1.3	Aug 19, 2026
0.1.2	Aug 18, 2026
0.1.1	Aug 18, 2026

FAQ

Frequently asked questions

Who maintains Fairseal?: Fairseal is maintained by ned-del, which publishes 1 MCP server (5 total versions) tracked on MCP Toplist.
Is Fairseal listed on the Official MCP Registry?: Yes — Fairseal is listed on the Official MCP Registry.
How many versions does Fairseal have?: MCP Toplist tracks 5 versions of Fairseal, most recently published on Sep 30, 2026.
Where can I find the source code for Fairseal?: The source code for Fairseal is hosted at github.com/ned-del/fairseal.

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