Fairseal MCP Server
by ned-delio.fairseal/mcp-serverv0.2.4
Verifiable entropy, provably-fair games, and receipt verification for AI agents (FairSeal API).
context tax
queued
security
queued
cold start
queued
freshness
Active2d ago
Install Fairseal MCP server
Install in Claude Code
claude mcp add fairseal -e FAIRSEAL_API_KEY='<fairseal-api-key>' -- npx -y @fairseal/mcp-serverInstall in Cursor
{
"mcpServers": {
"fairseal": {
"command": "npx",
"args": [
"-y",
"@fairseal/mcp-server"
],
"env": {
"FAIRSEAL_API_KEY": "<fairseal-api-key>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"fairseal": {
"command": "npx",
"args": [
"-y",
"@fairseal/mcp-server"
],
"env": {
"FAIRSEAL_API_KEY": "<fairseal-api-key>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"fairseal": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@fairseal/mcp-server"
],
"env": {
"FAIRSEAL_API_KEY": "<fairseal-api-key>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"fairseal": {
"command": "npx",
"args": [
"-y",
"@fairseal/mcp-server"
],
"env": {
"FAIRSEAL_API_KEY": "<fairseal-api-key>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| FAIRSEAL_API_KEY | — | yes | Optional API key sent as Bearer header (live API currently requires no auth; any placeholder works). |
| FAIRSEAL_API_URL | — | — | Upstream API base URL (default https://api.fairseal.io). |
Freshness
Active — last maintenance signal 2d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-10-08 · 2d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-09-30 · 10d ago · official registry · v0.2.4
FAQ
›How do I install the Fairseal MCP server in Claude Code?
Run: claude mcp add fairseal -e FAIRSEAL_API_KEY='<fairseal-api-key>' -- npx -y @fairseal/mcp-server. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Fairseal require an API key?
Yes. It expects FAIRSEAL_API_KEY, of which 1 is a secret.
›Can I use Fairseal as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Fairseal in the official MCP registry?
Yes, as io.fairseal/mcp-server.