Raw values for x402 Universal Payer
io.github.nirholas/x402-bridge · Status: active
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What the source declared verbatim, unchanged and uninterpreted. The derived values on the overview page are computed from these.
Evidence for this page: The values on this page come from several collections. Each row therefore states its own origin.
| Description (raw) | Pay any x402 endpoint on the open web: auto-paying bridge with Bazaar discovery and spend caps. Source: MCP-Register · collected on 2026-08-26 · self-declared |
|---|---|
| Environment variables (raw) | 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 Source: MCP-Register · collected on 2026-08-06 · self-declared |
| Required secret variables (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-06 · self-declared |
| Transports (raw) | stdio Source: MCP-Register · collected on 2026-08-06 · self-declared |
| Path arguments (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-06 · self-declared |
| Repository (raw) | https://github.com/nirholas/three.ws Source: MCP-Register · collected on 2026-08-06 · self-declared |
| Package registries (raw) | npm Source: MCP-Register · collected on 2026-08-06 · self-declared |
| Required secret headers (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Path environment variables (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Remote URLs (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Remote hosts (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Registry status message (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared |
| First listed in the registry (raw) | 2026-08-19 Source: MCP-Register · collected on 2026-08-20 · self-declared |
| Last changed in the registry (raw) | 2026-08-19 Source: MCP-Register · collected on 2026-08-20 · self-declared |
| Schema version of the raw record (raw) | https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Delivery form (raw) | paket Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Repository platform (raw) | github Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Repository subfolder (raw) | mcp-bridge Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Package identifiers (raw) | @three-ws/mcp-bridge Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Package versions (raw) | 1.0.2 Source: MCP-Register · collected on 2026-08-20 · self-declared |
| Runtime hints (raw) | npx Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Environment variable formats (raw) | boolean, number, string Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Environment variable descriptions (raw) | 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_<chainId>, 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). Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Icon formats (raw) | image/svg+xml Source: MCP-Register · collected on 2026-08-16 · self-declared |
tracevero · https://tracevero.com/mcp/io-github-nirholas-x402-bridge/rohangaben