{
  "registry": "kya-os-usergroup",
  "source": "https://github.com/kya-os/kya-os-usergroup",
  "schema": "https://github.com/kya-os/kya-os-usergroup/blob/main/registry/schema/builder.schema.json",
  "count": 8,
  "builders": [
    {
      "name": "Conformance Starter",
      "slug": "conformance-starter",
      "description": "Copyable template that takes an existing KYA-OS implementation to a submission-ready conformance claim in under an hour: fetches the pinned vector suite hash-verified, runs all 44 vectors through your adapter (or any-language harness), and emits claim.json.",
      "homepage": "https://github.com/kya-os/conformance-starter",
      "repo": "https://github.com/kya-os/kya-os-usergroup",
      "kind": "template",
      "buildsOn": [
        "kya-os-mcp"
      ],
      "listedAt": "2026-08-19"
    },
    {
      "name": "Hobbsidian",
      "slug": "hobbsidian",
      "description": "Vault sharing for humans and AI agents: per-file access control, passkey-bound DIDs, and an MCP server where agent access is a capability- and path-scoped delegation verified with the @kya-os stack - the server never holds the minting key.",
      "homepage": "https://h0bb5.dev",
      "kind": "integration",
      "buildsOn": [
        "kya-os-mcp"
      ],
      "contact": {
        "github": "H0BB5"
      },
      "listedAt": "2026-08-20"
    },
    {
      "name": "KnowThat.ai",
      "slug": "knowthat-ai",
      "description": "An agent-identity registry service operating KYA-OS attestation infrastructure.",
      "homepage": "https://knowthat.ai",
      "kind": "service",
      "listedAt": "2026-08-20"
    },
    {
      "name": "KYA-OS Demo Server",
      "slug": "kya-os-demo-server",
      "description": "A live hosted MCP server speaking KYA-OS: handshake, signed proofs, and delegation against a real endpoint, for anyone who wants to poke the protocol before running their own. Speak MCP to POST /mcp (GET /health for liveness); the root URL serves no landing page yet.",
      "homepage": "https://demo-mcp.kya-os.ai/health",
      "kind": "service",
      "buildsOn": [
        "kya-os-mcp"
      ],
      "listedAt": "2026-08-19",
      "conformance": {
        "level": "L3",
        "scope": "full",
        "suiteVersion": "1.0.0",
        "status": "in-verification",
        "evidenceUrl": "https://github.com/kya-os/kya-os-usergroup/issues/7"
      }
    },
    {
      "name": "@kya-os/mcp (reference implementation)",
      "slug": "kya-os-mcp",
      "description": "The reference implementation of KYA-OS for MCP servers: DID identity, scoped delegation with consent gating, and detached-JWS proofs in two added lines. The conformance vectors derive from this codebase, so its full-suite pass is self-reported, not independent evidence.",
      "homepage": "https://kya-os.org",
      "repo": "https://github.com/decentralized-identity/kya-os-mcp",
      "kind": "implementation",
      "conformance": {
        "level": "L3",
        "scope": "full",
        "suiteVersion": "1.0.0",
        "status": "in-verification",
        "evidenceUrl": "https://github.com/kya-os/kya-os-usergroup/issues/6"
      },
      "listedAt": "2026-08-20"
    },
    {
      "name": "KYA-OS Schema Registry",
      "slug": "kya-os-schema",
      "description": "Hosts the canonical KYA-OS JSON Schemas at stable schema.kya-os.org URLs, byte-mirrored from the @kya-os/mcp npm package.",
      "homepage": "https://schema.kya-os.org",
      "repo": "https://github.com/decentralized-identity/kya-os-schema",
      "kind": "service",
      "buildsOn": [
        "kya-os-mcp"
      ],
      "listedAt": "2026-08-20"
    },
    {
      "name": "Mycelium Trails",
      "slug": "mycelium-trails",
      "description": "Independent Ed25519 implementation (action_ref / argentum-core, pynacl) cross-checked against the KYA-OS signed-proof conformance vectors; ran the upstream verify.py unmodified at 10/10 and filed a vector finding upstream.",
      "homepage": "https://github.com/giskard09/argentum-core",
      "repo": "https://github.com/giskard09/argentum-core",
      "kind": "implementation",
      "buildsOn": [
        "kya-os-mcp"
      ],
      "conformance": {
        "level": "L1",
        "scope": "subset",
        "categories": [
          "signed-proof"
        ],
        "suiteVersion": "1.0.0",
        "status": "in-verification",
        "evidenceUrl": "https://github.com/decentralized-identity/kya-os-mcp/issues/149"
      },
      "listedAt": "2026-08-19"
    },
    {
      "name": "REVOKED",
      "slug": "revoked-demo",
      "description": "An on-chain kill switch for AI agents with wallet access: agents spend under scoped, verifiable delegations, and that authority is revocable on a public chain (cheqd testnet). Built at DEF CON 34; now the flagship example of the reference implementation.",
      "homepage": "https://github.com/decentralized-identity/kya-os-mcp/tree/main/examples/revoked",
      "repo": "https://github.com/decentralized-identity/kya-os-mcp",
      "kind": "example",
      "buildsOn": [
        "kya-os-mcp"
      ],
      "standards": [
        "cheqd-dlr"
      ],
      "listedAt": "2026-08-19"
    }
  ]
}