← The evidence ledger
Evidence row 44788
Observed , by baseline/1.
- Kind
- listing
- About
- source_record mcp_registry:io.github.nirholas/x402-mcp
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- cf183962ac5933f0ad4c405237ddaec674b8d1792e75c2142b378f9246594c27
- Leaf
- 0x49b7b65bdaf1e5cef9d05aa06152265b24203a2e57d678bf7f75039e094538ec
What was observed
{
"endpoints": [
[
"web",
"https://three.ws/"
]
],
"name": "x402 Wallet",
"owner_address": null,
"raw": {
"_meta": {
"io.modelcontextprotocol.registry/official": {
"isLatest": true,
"publishedAt": "2026-10-10T20:46:34.107067Z",
"status": "active",
"statusChangedAt": "2026-10-10T20:46:34.107067Z",
"updatedAt": "2026-10-10T20:46:34.107067Z"
}
},
"server": {
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"description": "Self-custodial x402 wallet for AI agents: pay any service in USDC or $THREE from your own key.",
"icons": [
{
"mimeType": "image/svg+xml",
"sizes": [
"any"
],
"src": "https://three.ws/three-ws-mcp-icon.svg"
}
],
"name": "io.github.nirholas/x402-mcp",
"packages": [
{
"environmentVariables": [
{
"description": "Base58 (or JSON byte-array) Solana secret key that signs payments and holds the USDC. Not needed for the read tools (find_services, inspect_endpoint, or x402_wallet with an explicit address). Treat like cash.",
"format": "string",
"isSecret": true,
"name": "SOLANA_SECRET_KEY"
},
{
"default": "https://api.mainnet-beta.solana.com",
"description": "Solana mainnet RPC endpoint. Defaults to the public cluster — bring your own (Helius / Quicknode / Triton) for production traffic.",
"format": "string",
"name": "SOLANA_RPC_URL"
},
{
"default": "1",
"description": "Max USD a single pay_and_call may spend. Bounds a runaway or injected payment.",
"format": "number",
"name": "MAX_PAY_USD"
},
{
"default": "true",
"description": "When on (default), pay_and_call refuses until re-issued with confirm:true. Set 0/false to disable the gate.",
"format": "boolean",
"name": "REQUIRE_CONFIRM"
},
{
"default": "https://three.ws",
"description": "Base URL of the three.ws API that serves /api/bazaar/search for find_services. Override only when self-hosting.",
"format": "string",
"name": "THREE_WS_BASE"
}
],
"identifier": "@three-ws/x402-mcp",
"registryType": "npm",
"runtimeHint": "npx",
"transport": {
"type": "stdio"
},
"version": "0.2.3"
}
],
"repository": {
"source": "github",
"subfolder": "packages/x402-mcp",
"url": "https://github.com/nirholas/three.ws"
},
"title": "x402 Wallet",
"version": "0.2.3",
"websiteUrl": "https://three.ws"
}
},
"source": "mcp_registry",
"summary": "Self-custodial x402 wallet for AI agents: pay any service in USDC or $THREE from your own key."
}What the leaf hashes
{"body":"cf183962ac5933f0ad4c405237ddaec674b8d1792e75c2142b378f9246594c27","id":44788,"kind":"listing","method":"baseline/1","observed_us":1793025405231037,"prev":null,"subject":"mcp_registry:io.github.nirholas/x402-mcp","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
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- 0x4660be031f49c1912a26622ec33b0c5734e223bdcf710d9bf3793487eee3bea9
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- 0xb86fa861d04737cb507e721eefbb066d26528fdb6017b1145c18d1223b93ee21
- 0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
- 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
- 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
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- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae