D20DAO Verifiable Randomness MCP Server

D20DAO Verifiable Randomness is an MCP integration. Verifiable dice, draws and shuffles with on-chain VRF proofs on Arc. 0.05 USDC per draw.

Packages and local setup

The published npm package is @d20dao/mcp, version 0.1.0. Its declared MCP transport is stdio.

The package declares D20_DAILY_LIMIT_USDC: Spending cap per UTC day in USDC (default 1; 0 turns paid draws off).; D20_NETWORK: mainnet (default) or testnet.; D20_PAY_CHAIN: Circle CLI chain code to pay from, such as ARC or BASE (default: first funded).; D20_WALLET_ADDRESS: Agent wallet to pay from (default: the first one the Circle CLI lists).; D20_CIRCLE_CLI: Path to the Circle CLI's dist/index.js (default: circle on PATH).; D20_MCP_HOME: Folder for the daily spending record (default ~/.d20dao-mcp)..

Before connecting

Check the maintainer’s instructions for account access, authentication and the supported client configuration. Once connected, inspect the tools your client receives and try a small task that matches the server’s stated purpose. The registry description does not include a verified, complete tool list.

Project and source

View the publisher’s registry entry · Project repository · Project website. This profile uses version 0.1.0 from the registry. Registration identifies the publisher namespace; it does not establish that this is a first-party integration for every service it connects.

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