---
bezeichner: "io.github.nirholas/x402-mcp"
art: "mcp_server"
slug: "io-github-nirholas-x402-mcp"
paketkoordinate: "npm:@three-ws/x402-mcp"
status: "aktiv"
homepage: "https://three.ws"
erhebungsstand: "2026-10-10T01:17:01.464Z"
namensraum: "io.github.nirholas"
registerseite: "https://tracevero.com/mcp/io-github-nirholas-x402-mcp"
abgerufen_am: "2026-10-10"
zugangsdaten_erforderlich: false
ausfuehrungsort: "lokal"
dateisystem_pfadargument: false
quelloffen_einsehbar: true
einsatzgebiet: "kryptowaehrung"
roh_beschreibung: "Self-custodial x402 wallet for AI agents: pay any service in USDC or $THREE from your own key."
version: "0.2.2"
roh_umgebungsvariablen: "SOLANA_SECRET_KEY, SOLANA_RPC_URL, MAX_PAY_USD, REQUIRE_CONFIRM, THREE_WS_BASE"
roh_geheime_pflichtvariablen: ""
roh_transportarten: "stdio"
roh_pfadargumente: ""
roh_repository_url: "https://github.com/nirholas/three.ws"
roh_paketquellen: "npm"
roh_geheime_pflichtkopfzeilen: ""
roh_pfad_umgebungsvariablen: ""
roh_remote_adressen: ""
roh_remote_hosts: ""
roh_statusmeldung: ""
roh_veroeffentlicht_am: "2026-08-19"
roh_aktualisiert_am: "2026-08-19"
roh_schemafassung: "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json"
roh_bereitstellungsform: "paket"
roh_repository_quelle: "github"
roh_repository_unterordner: "packages/x402-mcp"
roh_paketbezeichner: "@three-ws/x402-mcp"
roh_paketversionen: "0.2.2"
roh_laufzeithinweise: "npx"
roh_umgebungsformate: "boolean, number, string"
roh_umgebungsbeschreibungen: "MAX_PAY_USD=Max USD a single pay_and_call may spend. Bounds a runaway or injected payment. · REQUIRE_CONFIRM=When on (default), pay_and_call refuses until re-issued with confirm:true. Set 0/false to disable the gate. · SOLANA_RPC_URL=Solana mainnet RPC endpoint. Defaults to the public cluster — bring your own (Helius / Quicknode / Triton) for production traffic. · SOLANA_SECRET_KEY=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. · THREE_WS_BASE=Base URL of the three.ws API that serves /api/bazaar/search for find_services. Override only when self-hosting."
roh_symbolformate: "image/svg+xml"
roh_verbindungswege: "{\"packages\":[{\"registryType\":\"npm\",\"identifier\":\"@three-ws/x402-mcp\",\"version\":\"0.2.2\",\"runtimeHint\":\"npx\",\"transport\":\"stdio\",\"environment\":[{\"name\":\"SOLANA_SECRET_KEY\",\"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\",\"required\":false,\"secret\":true},{\"name\":\"SOLANA_RPC_URL\",\"description\":\"Solana mainnet RPC endpoint. Defaults to the public cluster — bring your own (Helius / Quicknode / Triton) for production traffic.\",\"format\":\"string\",\"required\":false,\"secret\":false},{\"name\":\"MAX_PAY_USD\",\"description\":\"Max USD a single pay_and_call may spend. Bounds a runaway or injected payment.\",\"format\":\"number\",\"required\":false,\"secret\":false},{\"name\":\"REQUIRE_CONFIRM\",\"description\":\"When on (default), pay_and_call refuses until re-issued with confirm:true. Set 0/false to disable the gate.\",\"format\":\"boolean\",\"required\":false,\"secret\":false},{\"name\":\"THREE_WS_BASE\",\"description\":\"Base URL of the three.ws API that serves /api/bazaar/search for find_services. Override only when self-hosting.\",\"format\":\"string\",\"required\":false,\"secret\":false}],\"additional_arguments_declared\":false}],\"remotes\":[]}"
---

# x402 Wallet

## Measured values

| Property | Value | Source | Collected on | Level of trust | Raw declaration |
| --- | --- | --- | --- | --- | --- |
| Required secrets declared | false | MCP-Register | 2026-08-06T13:57:41.838Z | abgeleitet | roh_geheime_pflichtvariablen: ; roh_geheime_pflichtkopfzeilen: |
| Execution location | lokal | MCP-Register | 2026-08-06T13:57:41.838Z | abgeleitet | roh_transportarten: stdio |
| Path argument present | false | MCP-Register | 2026-08-06T13:57:41.838Z | abgeleitet | roh_pfadargumente: ; roh_pfad_umgebungsvariablen: |
| Repository URL listed | true | MCP-Register | 2026-08-06T13:57:41.838Z | abgeleitet | roh_repository_url: https://github.com/nirholas/three.ws |
| Field of use, derived from the vendor description | kryptowaehrung | MCP-Register | 2026-08-26T16:45:01.514Z | abgeleitet | roh_beschreibung: Self-custodial x402 wallet for AI agents: pay any service in USDC or $THREE from your own key. |
| Description (raw) | Self-custodial x402 wallet for AI agents: pay any service in USDC or $THREE from your own key. | MCP-Register | 2026-08-26T16:45:01.514Z | selbstauskunft |  |
| Declared version | 0.2.2 | MCP-Register | 2026-08-20T01:17:01.620Z | selbstauskunft |  |
| Environment variables (raw) | SOLANA_SECRET_KEY, SOLANA_RPC_URL, MAX_PAY_USD, REQUIRE_CONFIRM, THREE_WS_BASE | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Required secret variables (raw) |  | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Transports (raw) | stdio | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Path arguments (raw) |  | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Repository (raw) | https://github.com/nirholas/three.ws | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Package registries (raw) | npm | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Required secret headers (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Path environment variables (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Remote URLs (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Remote hosts (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Registry status message (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| First listed in the registry (raw) | 2026-08-19 | MCP-Register | 2026-08-20T01:17:01.620Z | selbstauskunft |  |
| Last changed in the registry (raw) | 2026-08-19 | MCP-Register | 2026-08-20T01:17:01.620Z | selbstauskunft |  |
| Schema version of the raw record (raw) | https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Delivery form (raw) | paket | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Repository platform (raw) | github | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Repository subfolder (raw) | packages/x402-mcp | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Package identifiers (raw) | @three-ws/x402-mcp | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Package versions (raw) | 0.2.2 | MCP-Register | 2026-08-20T01:17:01.620Z | selbstauskunft |  |
| Runtime hints (raw) | npx | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Environment variable formats (raw) | boolean, number, string | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Environment variable descriptions (raw) | MAX_PAY_USD=Max USD a single pay_and_call may spend. Bounds a runaway or injected payment. · REQUIRE_CONFIRM=When on (default), pay_and_call refuses until re-issued with confirm:true. Set 0/false to disable the gate. · SOLANA_RPC_URL=Solana mainnet RPC endpoint. Defaults to the public cluster — bring your own (Helius / Quicknode / Triton) for production traffic. · SOLANA_SECRET_KEY=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. · THREE_WS_BASE=Base URL of the three.ws API that serves /api/bazaar/search for find_services. Override only when self-hosting. | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Icon formats (raw) | image/svg+xml | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Connection paths (source structure) | {"packages":[{"registryType":"npm","identifier":"@three-ws/x402-mcp","version":"0.2.2","runtimeHint":"npx","transport":"stdio","environment":[{"name":"SOLANA_SECRET_KEY","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","required":false,"secret":true},{"name":"SOLANA_RPC_URL","description":"Solana mainnet RPC endpoint. Defaults to the public cluster — bring your own (Helius / Quicknode / Triton) for production traffic.","format":"string","required":false,"secret":false},{"name":"MAX_PAY_USD","description":"Max USD a single pay_and_call may spend. Bounds a runaway or injected payment.","format":"number","required":false,"secret":false},{"name":"REQUIRE_CONFIRM","description":"When on (default), pay_and_call refuses until re-issued with confirm:true. Set 0/false to disable the gate.","format":"boolean","required":false,"secret":false},{"name":"THREE_WS_BASE","description":"Base URL of the three.ws API that serves /api/bazaar/search for find_services. Override only when self-hosting.","format":"string","required":false,"secret":false}],"additional_arguments_declared":false}],"remotes":[]} | MCP-Register | 2026-09-08T01:17:01.649Z | selbstauskunft |  |

## Links

- Namespace: [[namensraum/io-github-nirholas|io.github.nirholas]]

---

- Registry page: <https://tracevero.com/mcp/io-github-nirholas-x402-mcp>
- Retrieved on: 2026-10-10
