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Package

D20DAO Verifiable Randomness

Verifiable dice, draws and shuffles with on-chain VRF proofs on Arc. 0.05 USDC per draw.

org.d20dao/vrfSource repository
Version0.1.0latest catalog version
ConnectionPackagenpm
PublishedSep 19, 2026catalog
UpdatedSep 19, 2026catalog
Overview

What this server provides

Verifiable dice, draws and shuffles with on-chain VRF proofs on Arc. 0.05 USDC per draw.

Install

Packages

1
Package 1npm
@d20dao/mcp0.1.0
Runtime Not declaredTransport stdio
  • D20_DAILY_LIMIT_USDC

    Spending cap per UTC day in USDC (default 1; 0 turns paid draws off).

    Optional
  • D20_NETWORK

    mainnet (default) or testnet.

    Optional
  • D20_PAY_CHAIN

    Circle CLI chain code to pay from, such as ARC or BASE (default: first funded).

    Optional
  • D20_WALLET_ADDRESS

    Agent wallet to pay from (default: the first one the Circle CLI lists).

    Optional
  • D20_CIRCLE_CLI

    Path to the Circle CLI's dist/index.js (default: circle on PATH).

    Optional
  • D20_MCP_HOME

    Folder for the daily spending record (default ~/.d20dao-mcp).

    Optional
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