D20DAO Verifiable Randomness
org.d20dao/vrf
About D20DAO Verifiable Randomness
D20DAO Verifiable Randomness is an MCP server published by d20dao.org. Verifiable VRF draws on Arc, 0.05 USDC each. On Robinhood Chain, integrate on chain with the SDK.
It runs on your own machine: your AI client starts it from the npm package @d20dao/mcp at version 0.1.2.
It asks for no keys or passwords.
Version 0.1.2 was published on 9 October 2026, and the source code is public, so you can read it before installing.
Written from the registry entry. 9 automated checks on the registry entry and the package code: 7 pass, 0 warn, 0 fail, 2 info. How we check.
What it asks for
| Variable | Required | Secret | Description |
|---|---|---|---|
D20_DAILY_LIMIT_USDC | No | No | Spending cap per UTC day in USDC (default 1; 0 turns paid draws off). |
D20_NETWORK | No | No | Arc Mainnet (default) or Arc Testnet. |
D20_PAY_CHAIN | No | No | Circle CLI chain code to pay from, such as ARC or BASE (default: first funded). |
D20_WALLET_ADDRESS | No | No | Agent wallet to pay from (default: the first one the Circle CLI lists). |
D20_CIRCLE_CLI | No | No | Path to the Circle CLI's dist/index.js (default: circle on PATH). |
D20_MCP_HOME | No | No | Folder for the daily spending record (default ~/.d20dao-mcp). |
Checks
| Check | Result | Detail |
|---|---|---|
| Source repository linked | Pass | https://github.com/d20dao/mcp |
| Version pinned | Pass | Every package has an explicit version |
| Secrets requested | Info | Asks for no secrets |
| Known package registry | Pass | All packages come from npm, PyPI, OCI, NuGet or MCPB |
| Namespace ownership | Info | Name verified via domain d20dao.org |
| Registry text aimed at the AI | Pass | Description and settings contain no hidden characters or instructions to the AI |
| Install scripts | Pass | @d20dao/mcp@0.1.2 runs nothing at install |
| Code red flags | Pass | Read 11 files in @d20dao/mcp@0.1.2: no obfuscation, encoded execution, credential reads or data-collection endpoints found |
| Text aimed at the AI | Pass | No hidden characters or instructions to the AI in 11 files, including comments and the README |
Popularity & health: 50 / 100
Worked out from public numbers and our own checks, not from user reviews or ratings. It says how used and how looked-after a server is, not whether it is safe.
0 forks, 0 merged pull requests. Sources: GitHub, npm, PyPI (pypistats.org) and Hacker News (Algolia), fetched 2026-10-31.
What people say
No Hacker News threads link to its source code.
Look further: search Reddit, search Hacker News, read its GitHub issues. These are not reviews we checked.
Facts
| Registry name | org.d20dao/vrf |
|---|---|
| Publisher | Domain d20dao.org |
| How the name is verified | Name verified via domain d20dao.org. The registry ties the name prefix to that account or domain; it does not check the code. |
| Type | Local: runs on your machine from a package |
| Packages | npm @d20dao/mcp 0.1.2 (stdio) |
| Version | 0.1.2 |
| Published | |
| Last updated | |
| Source repository | https://github.com/d20dao/mcp |
| Website | https://d20dao.org/docs/agents |
| Category | Finance & payments (assigned by keyword rule, not by hand) |
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