Verifiable entropy, provably-fair games, and receipt verification for AI agents (FairSeal API).
Connect Runs on your machine
claude mcp add fairseal-mcp-server -e FAIRSEAL_API_KEY=<FAIRSEAL_API_KEY> -e FAIRSEAL_API_URL=<FAIRSEAL_API_URL> -- npx -y @fairseal/[email protected]
{
"mcpServers": {
"fairseal-mcp-server": {
"command": "npx",
"args": [
"-y",
"@fairseal/[email protected]"
],
"env": {
"FAIRSEAL_API_KEY": "<FAIRSEAL_API_KEY>",
"FAIRSEAL_API_URL": "<FAIRSEAL_API_URL>"
}
}
}
}
{
"mcpServers": {
"fairseal-mcp-server": {
"command": "npx",
"args": [
"-y",
"@fairseal/[email protected]"
],
"env": {
"FAIRSEAL_API_KEY": "<FAIRSEAL_API_KEY>",
"FAIRSEAL_API_URL": "<FAIRSEAL_API_URL>"
}
}
}
}
{
"servers": {
"fairseal-mcp-server": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@fairseal/[email protected]"
],
"env": {
"FAIRSEAL_API_KEY": "<FAIRSEAL_API_KEY>",
"FAIRSEAL_API_URL": "<FAIRSEAL_API_URL>"
}
}
}
}
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
FAIRSEAL_API_KEYOptional, secret | Optional API key sent as Bearer header (live API currently requires no auth; any placeholder works). |
FAIRSEAL_API_URLOptional | Upstream API base URL (default https://api.fairseal.io). |
Details
| Package | @fairseal/[email protected] (NPM, stdio) |
| First published | 19 Aug 2026 |
| Last updated | 19 Aug 2026 |
| Registry name | io.github.ned-del/fairseal-mcp-server |
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