UnblockPay

v0.2.0API Key

Fiat-to-stablecoin on/off-ramp: convert BRL, MXN, or USD to USDC and back. Your agent bridges traditional finance and crypto rails.

20 tools1 env vars🌐 GLOBALstable on npm

Install

terminal

$ npm install @codespar/mcp-unblockpay

Quickstart

Add this entry to your claude_desktop_config.json (or any MCP-compatible client config).

claude_desktop_config.json

{
  "mcpServers": {
    "unblockpay": {
      "command": "npx",
      "args": [
        "-y",
        "@codespar/mcp-unblockpay"
      ],
      "env": {
        "UNBLOCKPAY_API_KEY": "<your_unblockpay_api_key>"
      }
    }
  }
}

After restart, your agent can call any of the 20 tools below — try create_wallet first.

Environment variables · 1

Required to authenticate the server. Stored encrypted when using CodeSpar managed hosting.

UNBLOCKPAY_API_KEY

requiredsecret

API key for unblockpay

Available tools · 20

Each tool is independent — your agent loads only what it needs to reduce context and response time.

WRITEcreate_wallet

Create a new wallet in UnblockPay

READget_wallet

Get wallet details by ID

READlist_wallets

List all wallets

WRITEcreate_onramp

Create a fiat-to-stablecoin onramp transaction

WRITEcreate_offramp

Create a stablecoin-to-fiat offramp transaction

READget_transaction

Get transaction details by ID

READlist_transactions

List transactions with optional filters

READget_exchange_rate

Get current exchange rate for a currency pair

Compatible frameworks

MCP is a protocol — any framework that speaks it can mount this server.

Claude Agent SDKAnthropic

OpenAI AgentsOpenAI

Vercel AI SDKVercel

LangChainLangChain

LlamaIndexLlamaIndex

CrewAICrewAI

MastraMastra

Any MCP clientProtocol

Frequently asked questions

All credentials are encrypted at rest in an isolated vault scoped per organization. OAuth2 tokens are automatically refreshed before expiry. Your agent code never sees raw secrets — it receives scoped, short-lived session tokens.