--- bezeichner: "org.d20dao/vrf" art: "mcp_server" slug: "org-d20dao-vrf" paketkoordinate: "npm:@d20dao/mcp" status: "aktiv" homepage: "https://d20dao.org/docs/agents" erhebungsstand: "2026-10-11T01:17:01.851Z" namensraum: "org.d20dao" registerseite: "https://tracevero.com/mcp/org-d20dao-vrf" abgerufen_am: "2026-10-11" zugangsdaten_erforderlich: false ausfuehrungsort: "lokal" dateisystem_pfadargument: false quelloffen_einsehbar: true einsatzgebiet: "kryptowaehrung" roh_beschreibung: "Verifiable VRF draws on Arc, 0.05 USDC each. On Robinhood Chain, integrate on chain with the SDK." version: "0.1.2" roh_umgebungsvariablen: "D20_DAILY_LIMIT_USDC, D20_NETWORK, D20_PAY_CHAIN, D20_WALLET_ADDRESS, D20_CIRCLE_CLI, D20_MCP_HOME" roh_geheime_pflichtvariablen: "" roh_transportarten: "stdio" roh_pfadargumente: "" roh_repository_url: "https://github.com/d20dao/mcp" roh_paketquellen: "npm" roh_geheime_pflichtkopfzeilen: "" roh_pfad_umgebungsvariablen: "" roh_remote_adressen: "" roh_remote_hosts: "" roh_statusmeldung: "" roh_veroeffentlicht_am: "2026-10-09" roh_aktualisiert_am: "2026-10-09" roh_schemafassung: "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json" roh_bereitstellungsform: "paket" roh_repository_quelle: "github" roh_repository_unterordner: "" roh_paketbezeichner: "@d20dao/mcp" roh_paketversionen: "0.1.2" roh_laufzeithinweise: "" roh_umgebungsformate: "" roh_umgebungsbeschreibungen: "D20_CIRCLE_CLI=Path to the Circle CLI's dist/index.js (default: circle on PATH). · D20_DAILY_LIMIT_USDC=Spending cap per UTC day in USDC (default 1; 0 turns paid draws off). · D20_MCP_HOME=Folder for the daily spending record (default ~/.d20dao-mcp). · D20_NETWORK=Arc Mainnet (default) or Arc 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)." roh_symbolformate: "" roh_verbindungswege: "{\"packages\":[{\"registryType\":\"npm\",\"identifier\":\"@d20dao/mcp\",\"version\":\"0.1.2\",\"transport\":\"stdio\",\"environment\":[{\"name\":\"D20_DAILY_LIMIT_USDC\",\"description\":\"Spending cap per UTC day in USDC (default 1; 0 turns paid draws off).\",\"required\":false,\"secret\":false},{\"name\":\"D20_NETWORK\",\"description\":\"Arc Mainnet (default) or Arc Testnet.\",\"required\":false,\"secret\":false},{\"name\":\"D20_PAY_CHAIN\",\"description\":\"Circle CLI chain code to pay from, such as ARC or BASE (default: first funded).\",\"required\":false,\"secret\":false},{\"name\":\"D20_WALLET_ADDRESS\",\"description\":\"Agent wallet to pay from (default: the first one the Circle CLI lists).\",\"required\":false,\"secret\":false},{\"name\":\"D20_CIRCLE_CLI\",\"description\":\"Path to the Circle CLI's dist/index.js (default: circle on PATH).\",\"required\":false,\"secret\":false},{\"name\":\"D20_MCP_HOME\",\"description\":\"Folder for the daily spending record (default ~/.d20dao-mcp).\",\"required\":false,\"secret\":false}],\"additional_arguments_declared\":false}],\"remotes\":[]}" --- # D20DAO Verifiable Randomness ## Measured values | Property | Value | Source | Collected on | Level of trust | Raw declaration | | --- | --- | --- | --- | --- | --- | | Required secrets declared | false | MCP-Register | 2026-09-20T01:17:02.065Z | abgeleitet | roh_geheime_pflichtvariablen: ; roh_geheime_pflichtkopfzeilen: | | Execution location | lokal | MCP-Register | 2026-09-20T01:17:02.065Z | abgeleitet | roh_transportarten: stdio | | Path argument present | false | MCP-Register | 2026-09-20T01:17:02.065Z | abgeleitet | roh_pfadargumente: ; roh_pfad_umgebungsvariablen: | | Repository URL listed | true | MCP-Register | 2026-09-20T01:17:02.065Z | abgeleitet | roh_repository_url: https://github.com/d20dao/mcp | | Field of use, derived from the vendor description | kryptowaehrung | MCP-Register | 2026-09-20T01:17:02.065Z | abgeleitet | roh_beschreibung: Verifiable VRF draws on Arc, 0.05 USDC each. On Robinhood Chain, integrate on chain with the SDK. | | Description (raw) | Verifiable VRF draws on Arc, 0.05 USDC each. On Robinhood Chain, integrate on chain with the SDK. | MCP-Register | 2026-10-10T01:17:01.464Z | selbstauskunft | | | Declared version | 0.1.2 | MCP-Register | 2026-10-10T01:17:01.464Z | selbstauskunft | | | Environment variables (raw) | D20_DAILY_LIMIT_USDC, D20_NETWORK, D20_PAY_CHAIN, D20_WALLET_ADDRESS, D20_CIRCLE_CLI, D20_MCP_HOME | MCP-Register | 2026-09-20T01:17:02.065Z | selbstauskunft | | | Required secret variables (raw) | | MCP-Register | 2026-09-20T01:17:02.065Z | selbstauskunft | | | Transports (raw) | stdio | MCP-Register | 2026-09-20T01:17:02.065Z | selbstauskunft | | | Path arguments (raw) | | MCP-Register | 2026-09-20T01:17:02.065Z | selbstauskunft | | | Repository (raw) | https://github.com/d20dao/mcp | MCP-Register | 2026-09-20T01:17:02.065Z | selbstauskunft | | | Package registries (raw) | npm | MCP-Register | 2026-09-20T01:17:02.065Z | selbstauskunft | | | Required secret headers (raw) | | MCP-Register | 2026-09-20T01:17:02.065Z | selbstauskunft | | | Path environment variables (raw) | | MCP-Register | 2026-09-20T01:17:02.065Z | selbstauskunft | | | Remote URLs (raw) | | MCP-Register | 2026-09-20T01:17:02.065Z | selbstauskunft | | | Remote hosts (raw) | | MCP-Register | 2026-09-20T01:17:02.065Z | selbstauskunft | | | Registry status message (raw) | | MCP-Register | 2026-09-20T01:17:02.065Z | selbstauskunft | | | First listed in the registry (raw) | 2026-10-09 | MCP-Register | 2026-10-10T01:17:01.464Z | selbstauskunft | | | Last changed in the registry (raw) | 2026-10-09 | MCP-Register | 2026-10-10T01:17:01.464Z | selbstauskunft | | | Schema version of the raw record (raw) | https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json | MCP-Register | 2026-09-20T01:17:02.065Z | selbstauskunft | | | Delivery form (raw) | paket | MCP-Register | 2026-09-20T01:17:02.065Z | selbstauskunft | | | Repository platform (raw) | github | MCP-Register | 2026-09-20T01:17:02.065Z | selbstauskunft | | | Repository subfolder (raw) | | MCP-Register | 2026-09-20T01:17:02.065Z | selbstauskunft | | | Package identifiers (raw) | @d20dao/mcp | MCP-Register | 2026-09-20T01:17:02.065Z | selbstauskunft | | | Package versions (raw) | 0.1.2 | MCP-Register | 2026-10-10T01:17:01.464Z | selbstauskunft | | | Runtime hints (raw) | | MCP-Register | 2026-09-20T01:17:02.065Z | selbstauskunft | | | Environment variable formats (raw) | | MCP-Register | 2026-09-20T01:17:02.065Z | selbstauskunft | | | Environment variable descriptions (raw) | D20_CIRCLE_CLI=Path to the Circle CLI's dist/index.js (default: circle on PATH). · D20_DAILY_LIMIT_USDC=Spending cap per UTC day in USDC (default 1; 0 turns paid draws off). · D20_MCP_HOME=Folder for the daily spending record (default ~/.d20dao-mcp). · D20_NETWORK=Arc Mainnet (default) or Arc 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). | MCP-Register | 2026-10-10T01:17:01.464Z | selbstauskunft | | | Icon formats (raw) | | MCP-Register | 2026-09-20T01:17:02.065Z | selbstauskunft | | | Connection paths (source structure) | {"packages":[{"registryType":"npm","identifier":"@d20dao/mcp","version":"0.1.2","transport":"stdio","environment":[{"name":"D20_DAILY_LIMIT_USDC","description":"Spending cap per UTC day in USDC (default 1; 0 turns paid draws off).","required":false,"secret":false},{"name":"D20_NETWORK","description":"Arc Mainnet (default) or Arc Testnet.","required":false,"secret":false},{"name":"D20_PAY_CHAIN","description":"Circle CLI chain code to pay from, such as ARC or BASE (default: first funded).","required":false,"secret":false},{"name":"D20_WALLET_ADDRESS","description":"Agent wallet to pay from (default: the first one the Circle CLI lists).","required":false,"secret":false},{"name":"D20_CIRCLE_CLI","description":"Path to the Circle CLI's dist/index.js (default: circle on PATH).","required":false,"secret":false},{"name":"D20_MCP_HOME","description":"Folder for the daily spending record (default ~/.d20dao-mcp).","required":false,"secret":false}],"additional_arguments_declared":false}],"remotes":[]} | MCP-Register | 2026-10-10T01:17:01.464Z | selbstauskunft | | ## Links - Namespace: [[namensraum/org-d20dao|org.d20dao]] --- - Registry page: - Retrieved on: 2026-10-11