--- bezeichner: "io.github.nirholas/x402-bridge" art: "mcp_server" slug: "io-github-nirholas-x402-bridge" paketkoordinate: "npm:@three-ws/mcp-bridge" status: "aktiv" homepage: "https://three.ws" erhebungsstand: "2026-10-11T01:17:01.851Z" namensraum: "io.github.nirholas" registerseite: "https://tracevero.de/mcp/io-github-nirholas-x402-bridge" abgerufen_am: "2026-10-11" zugangsdaten_erforderlich: false ausfuehrungsort: "lokal" dateisystem_pfadargument: false quelloffen_einsehbar: true roh_beschreibung: "Pay any x402 endpoint on the open web: auto-paying bridge with Bazaar discovery and spend caps." version: "1.0.2" roh_umgebungsvariablen: "MCP_BRIDGE_EVM_PRIVATE_KEY, MCP_BRIDGE_SVM_PRIVATE_KEY, MCP_BRIDGE_MAX_PRICE_PER_CALL_ATOMIC, MCP_BRIDGE_MAX_TOTAL_ATOMIC, MCP_BRIDGE_ALLOWED_PAYTO, MCP_BRIDGE_ALLOWED_HOSTS, MCP_BRIDGE_ALLOW_HTTP, MCP_BRIDGE_DISCOVER_LIMIT, MCP_BRIDGE_BAZAAR_URL, MCP_BRIDGE_BATCH_DEPOSIT_MULTIPLIER, MCP_BRIDGE_MAX_DEPOSIT_ATOMIC, X402_MCP_BRIDGE_CHANNELS_DIR, RPC_URL_8453" 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: "mcp-bridge" roh_paketbezeichner: "@three-ws/mcp-bridge" roh_paketversionen: "1.0.2" roh_laufzeithinweise: "npx" roh_umgebungsformate: "boolean, number, string" roh_umgebungsbeschreibungen: "MCP_BRIDGE_ALLOWED_HOSTS=Comma-separated hostname allowlist for outbound paid requests. When set, any other host is refused before a request is signed. · MCP_BRIDGE_ALLOWED_PAYTO=Comma-separated payee allowlist. When set, any payment whose payTo address is not listed is refused. · MCP_BRIDGE_ALLOW_HTTP=Set to 1 to allow http:// targets (local development only). https is enforced otherwise. · MCP_BRIDGE_BATCH_DEPOSIT_MULTIPLIER=How many request-amounts to deposit at once when opening an EVM batch-settlement channel. · MCP_BRIDGE_BAZAAR_URL=x402 Bazaar discovery endpoint. Override to point at a self-hosted or alternative bazaar. · MCP_BRIDGE_DISCOVER_LIMIT=Max number of x402 Bazaar resources to register as dynamic tools at startup. Set 0 to disable discovery. · MCP_BRIDGE_EVM_PRIVATE_KEY=0x-prefixed 32-byte hex private key that funds USDC payments on EVM chains (Base, Arbitrum, …). At least one of the EVM/SVM keys is required. Treat like cash — use a dedicated low-balance wallet. · MCP_BRIDGE_MAX_DEPOSIT_ATOMIC=Hard cap in atomic units on a single batch-settlement channel deposit or top-up. · MCP_BRIDGE_MAX_PRICE_PER_CALL_ATOMIC=Per-call spending cap in atomic units (USDC has 6 decimals). Payments above this abort with a clear reason. · MCP_BRIDGE_MAX_TOTAL_ATOMIC=Cumulative session spending ceiling in atomic units. Once total spend would exceed it, further payments abort until restart. · MCP_BRIDGE_SVM_PRIVATE_KEY=Solana secret key that funds USDC payments: base58 64-byte secret key (Phantom / solana-keygen format) or a JSON array of 64 integers. At least one of the EVM/SVM keys is required. Treat like cash. · RPC_URL_8453=Per-chain RPC override, one variable per chain id (RPC_URL_, e.g. RPC_URL_8453 for Base). Defaults to viem's public RPC for that chain. · X402_MCP_BRIDGE_CHANNELS_DIR=Directory for persisted batch-settlement channel state (survives client restarts)." roh_symbolformate: "image/svg+xml" roh_verbindungswege: "{\"packages\":[{\"registryType\":\"npm\",\"identifier\":\"@three-ws/mcp-bridge\",\"version\":\"1.0.2\",\"runtimeHint\":\"npx\",\"transport\":\"stdio\",\"environment\":[{\"name\":\"MCP_BRIDGE_EVM_PRIVATE_KEY\",\"description\":\"0x-prefixed 32-byte hex private key that funds USDC payments on EVM chains (Base, Arbitrum, …). At least one of the EVM/SVM keys is required. Treat like cash — use a dedicated low-balance wallet.\",\"format\":\"string\",\"required\":false,\"secret\":true},{\"name\":\"MCP_BRIDGE_SVM_PRIVATE_KEY\",\"description\":\"Solana secret key that funds USDC payments: base58 64-byte secret key (Phantom / solana-keygen format) or a JSON array of 64 integers. At least one of the EVM/SVM keys is required. Treat like cash.\",\"format\":\"string\",\"required\":false,\"secret\":true},{\"name\":\"MCP_BRIDGE_MAX_PRICE_PER_CALL_ATOMIC\",\"description\":\"Per-call spending cap in atomic units (USDC has 6 decimals). Payments above this abort with a clear reason.\",\"format\":\"number\",\"required\":false,\"secret\":false},{\"name\":\"MCP_BRIDGE_MAX_TOTAL_ATOMIC\",\"description\":\"Cumulative session spending ceiling in atomic units. Once total spend would exceed it, further payments abort until restart.\",\"format\":\"number\",\"required\":false,\"secret\":false},{\"name\":\"MCP_BRIDGE_ALLOWED_PAYTO\",\"description\":\"Comma-separated payee allowlist. When set, any payment whose payTo address is not listed is refused.\",\"format\":\"string\",\"required\":false,\"secret\":false},{\"name\":\"MCP_BRIDGE_ALLOWED_HOSTS\",\"description\":\"Comma-separated hostname allowlist for outbound paid requests. When set, any other host is refused before a request is signed.\",\"format\":\"string\",\"required\":false,\"secret\":false},{\"name\":\"MCP_BRIDGE_ALLOW_HTTP\",\"description\":\"Set to 1 to allow http:// targets (local development only). https is enforced otherwise.\",\"format\":\"boolean\",\"required\":false,\"secret\":false},{\"name\":\"MCP_BRIDGE_DISCOVER_LIMIT\",\"description\":\"Max number of x402 Bazaar resources to register as dynamic tools at startup. Set 0 to disable discovery.\",\"format\":\"number\",\"required\":false,\"secret\":false},{\"name\":\"MCP_BRIDGE_BAZAAR_URL\",\"description\":\"x402 Bazaar discovery endpoint. Override to point at a self-hosted or alternative bazaar.\",\"format\":\"string\",\"required\":false,\"secret\":false},{\"name\":\"MCP_BRIDGE_BATCH_DEPOSIT_MULTIPLIER\",\"description\":\"How many request-amounts to deposit at once when opening an EVM batch-settlement channel.\",\"format\":\"number\",\"required\":false,\"secret\":false},{\"name\":\"MCP_BRIDGE_MAX_DEPOSIT_ATOMIC\",\"description\":\"Hard cap in atomic units on a single batch-settlement channel deposit or top-up.\",\"format\":\"number\",\"required\":false,\"secret\":false},{\"name\":\"X402_MCP_BRIDGE_CHANNELS_DIR\",\"description\":\"Directory for persisted batch-settlement channel state (survives client restarts).\",\"format\":\"string\",\"required\":false,\"secret\":false},{\"name\":\"RPC_URL_8453\",\"description\":\"Per-chain RPC override, one variable per chain id (RPC_URL_, e.g. RPC_URL_8453 for Base). Defaults to viem's public RPC for that chain.\",\"format\":\"string\",\"required\":false,\"secret\":false}],\"additional_arguments_declared\":false}],\"remotes\":[]}" --- # x402 Universal Payer ## Gemessene Werte | Merkmal | Wert | Quelle | Erhoben am | Vertrauensgrad | Rohangabe | | --- | --- | --- | --- | --- | --- | | Pflicht-Geheimnisse deklariert | false | MCP-Register | 2026-08-06T13:57:41.838Z | abgeleitet | roh_geheime_pflichtvariablen: ; roh_geheime_pflichtkopfzeilen: | | Ausführungsort | lokal | MCP-Register | 2026-08-06T13:57:41.838Z | abgeleitet | roh_transportarten: stdio | | Pfadargument vorhanden | false | MCP-Register | 2026-08-06T13:57:41.838Z | abgeleitet | roh_pfadargumente: ; roh_pfad_umgebungsvariablen: | | Repository-Adresse geführt | true | MCP-Register | 2026-08-06T13:57:41.838Z | abgeleitet | roh_repository_url: https://github.com/nirholas/three.ws | | Beschreibung (Rohangabe) | Pay any x402 endpoint on the open web: auto-paying bridge with Bazaar discovery and spend caps. | MCP-Register | 2026-08-26T16:45:01.514Z | selbstauskunft | | | Deklarierte Version | 1.0.2 | MCP-Register | 2026-08-20T01:17:01.620Z | selbstauskunft | | | Umgebungsvariablen (Rohangabe) | MCP_BRIDGE_EVM_PRIVATE_KEY, MCP_BRIDGE_SVM_PRIVATE_KEY, MCP_BRIDGE_MAX_PRICE_PER_CALL_ATOMIC, MCP_BRIDGE_MAX_TOTAL_ATOMIC, MCP_BRIDGE_ALLOWED_PAYTO, MCP_BRIDGE_ALLOWED_HOSTS, MCP_BRIDGE_ALLOW_HTTP, MCP_BRIDGE_DISCOVER_LIMIT, MCP_BRIDGE_BAZAAR_URL, MCP_BRIDGE_BATCH_DEPOSIT_MULTIPLIER, MCP_BRIDGE_MAX_DEPOSIT_ATOMIC, X402_MCP_BRIDGE_CHANNELS_DIR, RPC_URL_8453 | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft | | | Geheime Pflichtvariablen (Rohangabe) | | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft | | | Transportarten (Rohangabe) | stdio | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft | | | Pfadargumente (Rohangabe) | | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft | | | Repository (Rohangabe) | https://github.com/nirholas/three.ws | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft | | | Paketquellen (Rohangabe) | npm | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft | | | Geheime Pflichtkopfzeilen (Rohangabe) | | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft | | | Pfad-Umgebungsvariablen (Rohangabe) | | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft | | | Remote-Adressen (Rohangabe) | | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft | | | Remote-Hosts (Rohangabe) | | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft | | | Statusmeldung des Registers (Rohangabe) | | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft | | | Im Register eingetragen am (Rohangabe) | 2026-08-19 | MCP-Register | 2026-08-20T01:17:01.620Z | selbstauskunft | | | Im Register geändert am (Rohangabe) | 2026-08-19 | MCP-Register | 2026-08-20T01:17:01.620Z | selbstauskunft | | | Schemafassung des Rohsatzes (Rohangabe) | https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft | | | Bereitstellungsform (Rohangabe) | paket | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft | | | Repository-Plattform (Rohangabe) | github | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft | | | Repository-Unterordner (Rohangabe) | mcp-bridge | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft | | | Paketbezeichner (Rohangabe) | @three-ws/mcp-bridge | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft | | | Paketversionen (Rohangabe) | 1.0.2 | MCP-Register | 2026-08-20T01:17:01.620Z | selbstauskunft | | | Laufzeithinweise (Rohangabe) | npx | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft | | | Formate der Umgebungsvariablen (Rohangabe) | boolean, number, string | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft | | | Beschreibungen der Umgebungsvariablen (Rohangabe) | MCP_BRIDGE_ALLOWED_HOSTS=Comma-separated hostname allowlist for outbound paid requests. When set, any other host is refused before a request is signed. · MCP_BRIDGE_ALLOWED_PAYTO=Comma-separated payee allowlist. When set, any payment whose payTo address is not listed is refused. · MCP_BRIDGE_ALLOW_HTTP=Set to 1 to allow http:// targets (local development only). https is enforced otherwise. · MCP_BRIDGE_BATCH_DEPOSIT_MULTIPLIER=How many request-amounts to deposit at once when opening an EVM batch-settlement channel. · MCP_BRIDGE_BAZAAR_URL=x402 Bazaar discovery endpoint. Override to point at a self-hosted or alternative bazaar. · MCP_BRIDGE_DISCOVER_LIMIT=Max number of x402 Bazaar resources to register as dynamic tools at startup. Set 0 to disable discovery. · MCP_BRIDGE_EVM_PRIVATE_KEY=0x-prefixed 32-byte hex private key that funds USDC payments on EVM chains (Base, Arbitrum, …). At least one of the EVM/SVM keys is required. Treat like cash — use a dedicated low-balance wallet. · MCP_BRIDGE_MAX_DEPOSIT_ATOMIC=Hard cap in atomic units on a single batch-settlement channel deposit or top-up. · MCP_BRIDGE_MAX_PRICE_PER_CALL_ATOMIC=Per-call spending cap in atomic units (USDC has 6 decimals). Payments above this abort with a clear reason. · MCP_BRIDGE_MAX_TOTAL_ATOMIC=Cumulative session spending ceiling in atomic units. Once total spend would exceed it, further payments abort until restart. · MCP_BRIDGE_SVM_PRIVATE_KEY=Solana secret key that funds USDC payments: base58 64-byte secret key (Phantom / solana-keygen format) or a JSON array of 64 integers. At least one of the EVM/SVM keys is required. Treat like cash. · RPC_URL_8453=Per-chain RPC override, one variable per chain id (RPC_URL_, e.g. RPC_URL_8453 for Base). Defaults to viem's public RPC for that chain. · X402_MCP_BRIDGE_CHANNELS_DIR=Directory for persisted batch-settlement channel state (survives client restarts). | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft | | | Symbolformate (Rohangabe) | image/svg+xml | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft | | | Verbindungswege (Quellstruktur) | {"packages":[{"registryType":"npm","identifier":"@three-ws/mcp-bridge","version":"1.0.2","runtimeHint":"npx","transport":"stdio","environment":[{"name":"MCP_BRIDGE_EVM_PRIVATE_KEY","description":"0x-prefixed 32-byte hex private key that funds USDC payments on EVM chains (Base, Arbitrum, …). At least one of the EVM/SVM keys is required. Treat like cash — use a dedicated low-balance wallet.","format":"string","required":false,"secret":true},{"name":"MCP_BRIDGE_SVM_PRIVATE_KEY","description":"Solana secret key that funds USDC payments: base58 64-byte secret key (Phantom / solana-keygen format) or a JSON array of 64 integers. At least one of the EVM/SVM keys is required. Treat like cash.","format":"string","required":false,"secret":true},{"name":"MCP_BRIDGE_MAX_PRICE_PER_CALL_ATOMIC","description":"Per-call spending cap in atomic units (USDC has 6 decimals). Payments above this abort with a clear reason.","format":"number","required":false,"secret":false},{"name":"MCP_BRIDGE_MAX_TOTAL_ATOMIC","description":"Cumulative session spending ceiling in atomic units. Once total spend would exceed it, further payments abort until restart.","format":"number","required":false,"secret":false},{"name":"MCP_BRIDGE_ALLOWED_PAYTO","description":"Comma-separated payee allowlist. When set, any payment whose payTo address is not listed is refused.","format":"string","required":false,"secret":false},{"name":"MCP_BRIDGE_ALLOWED_HOSTS","description":"Comma-separated hostname allowlist for outbound paid requests. When set, any other host is refused before a request is signed.","format":"string","required":false,"secret":false},{"name":"MCP_BRIDGE_ALLOW_HTTP","description":"Set to 1 to allow http:// targets (local development only). https is enforced otherwise.","format":"boolean","required":false,"secret":false},{"name":"MCP_BRIDGE_DISCOVER_LIMIT","description":"Max number of x402 Bazaar resources to register as dynamic tools at startup. Set 0 to disable discovery.","format":"number","required":false,"secret":false},{"name":"MCP_BRIDGE_BAZAAR_URL","description":"x402 Bazaar discovery endpoint. Override to point at a self-hosted or alternative bazaar.","format":"string","required":false,"secret":false},{"name":"MCP_BRIDGE_BATCH_DEPOSIT_MULTIPLIER","description":"How many request-amounts to deposit at once when opening an EVM batch-settlement channel.","format":"number","required":false,"secret":false},{"name":"MCP_BRIDGE_MAX_DEPOSIT_ATOMIC","description":"Hard cap in atomic units on a single batch-settlement channel deposit or top-up.","format":"number","required":false,"secret":false},{"name":"X402_MCP_BRIDGE_CHANNELS_DIR","description":"Directory for persisted batch-settlement channel state (survives client restarts).","format":"string","required":false,"secret":false},{"name":"RPC_URL_8453","description":"Per-chain RPC override, one variable per chain id (RPC_URL_, e.g. RPC_URL_8453 for Base). Defaults to viem's public RPC for that chain.","format":"string","required":false,"secret":false}],"additional_arguments_declared":false}],"remotes":[]} | MCP-Register | 2026-09-08T01:17:01.649Z | selbstauskunft | | ## Verweise - Namensraum: [[namensraum/io-github-nirholas|io.github.nirholas]] --- - Registerseite: - Abgerufen am: 2026-10-11