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Package

D20DAO Verifiable Randomness

Verifiable VRF draws on Arc, 0.05 USDC each. On Robinhood Chain, integrate on chain with the SDK.

org.d20dao/vrfSource repository
Version0.1.2latest catalog version
ConnectionPackagenpm
PublishedOct 09, 2026catalog
UpdatedOct 09, 2026catalog
Overview

What this server provides

Verifiable VRF draws on Arc, 0.05 USDC each. On Robinhood Chain, integrate on chain with the SDK.

Install

Packages

1
Package 1npm
@d20dao/mcp0.1.2
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

    Arc Mainnet (default) or Arc 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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