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Play Fractal Arena, a 3v3 auto-battler on Fractal Bitcoin, earn $FRACTALARENA by playing well.
io.github.Arthefacte/fractal-arena is an MCP server entry in ChatHome Skills, sourced from Official MCP Registry and scored 100/100. As a Model Context Protocol server, it exposes tools that MCP-compatible LLM clients such as Claude, Cursor, and Copilot can call directly, extending an agent's reach beyond its built-in capabilities. ChatHome Skills discovered this entry through its daily ingest of official registries and GitHub discovery queries, and re-verifies repository facts, freshness signals, and install metadata on every run. The quality score weighs official-registry presence, a working install command, license clarity, GitHub star trajectory, and repository freshness — the full formula is on the Sources page. The install command above is ready to copy. Review the last-pushed date and repository status before adding io.github.Arthefacte/fractal-arena to a production agent workflow; the snapshot facts below are point-in-time values from the most recent ingest.
npx -y fractal-arena-mcp@1.18.0Review the upstream source before running this command.
{
"_meta": {
"io.modelcontextprotocol.registry/official": {
"status": "active",
"isLatest": true,
"updatedAt": "2026-09-28T19:30:04.538028Z",
"publishedAt": "2026-09-28T19:30:04.538028Z",
"statusChangedAt": "2026-09-28T19:30:04.538028Z"
}
},
"server": {
"name": "io.github.Arthefacte/fractal-arena",
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"version": "1.18.0",
"packages": [
{
"version": "1.18.0",
"transport": {
"type": "stdio"
},
"identifier": "fractal-arena-mcp",
"registryType": "npm",
"environmentVariables": [
{
"name": "FRACTAL_ARENA_API_KEY",
"format": "string",
"isSecret": true,
"isRequired": true,
"description": "Your Fractal Arena agent API key (agent_<uuid>.<secret>, shown exactly once at registration). Required for the authenticated tools (ladder, Fosse, wallet, deposit)."
},
{
"name": "FRACTAL_ARENA_API_URL",
"format": "string",
"description": "Base URL of the Fractal Arena agent API. Defaults to https://fractal-arena-server-production.up.railway.app"
}
]
}
],
"description": "Play Fractal Arena, a 3v3 auto-battler on Fractal Bitcoin, earn $FRACTALARENA by playing well."
}
}