<h1>Modexia AgentPay MCP Server</h1> <b>The official Model Context Protocol (MCP) server for autonomous AI Agents to interact with Modexia's crypto
Modexia MCP MCP server exists for a simple reason — assistants are far more useful when they can act on Modexia MCP directly instead of describing what you should do. Modexia AgentPay MCP Server The official Model Context Protocol (MCP) server for autonomous AI Agents to interact with Modexia's crypto infrastructure..
Once Modexia MCP is connected, these are the calls the assistant has available:
nanopay — Auto-negotiate and pay for 402 Payment Required URLs using EIP-3009 offline signaturesnanopay_activate — One-time activation command to enable Circle Gateway nanopayments for the agentnanopay_deposit — Deposit funds from the main agent wallet to the nanopayment Gatewaynanopay_withdraw — Withdraw unused funds from the Gateway back to the main walletnanopay_balance — Check the True Available Balance (Gateway deposits minus pending signatures)submit_intent — Execute a standard USDC payment with compliance and policy enforcementget_intent — Retrieve the status and compliance metadata of a previously submitted payment intentlist_intents — Fetch recent payment intents for audit trail reviewopen_channel — Lock funds into a smart contract for high-frequency micro-transactionsconsume_channel — Execute instant, gas-free micro-payments inside an open channelsettle_channel — Close the vault and distribute funds on-chainget_channel — Check the current capacity and state of a specific payment channelThe server ships on PyPI as args, so your MCP client can launch it on demand — there is no separate build step. Add the server block to your client's configuration, restart it, and the tools register themselves.
You will need 2 environment variables: MODEXIA_API_KEY, MODEXIA_BASE_URL. The server will not start without them, which is usually why the tools fail to appear on a first run. Keep credentials in your client's env block or a secrets manager rather than in a file you might commit.
This sits in the payments and commerce group, where several servers overlap in what they claim to do but differ sharply once you actually set them up. Modexia MCP's toolset — nanopay, nanopay_activate, nanopay_deposit and 11 more — is a fair guide to whether it matches your workflow. It is maintained by modexia; worth a glance at recent repository activity before you build anything load-bearing on it.
This entry was verified against Modexia MCP's own documentation before publication; SyncDev keeps the directory reviewed rather than auto-generated.
| Tool | What it does |
|---|---|
| nanopay | Auto-negotiate and pay for 402 Payment Required URLs using EIP-3009 offline signatures. |
| nanopay_activate | One-time activation command to enable Circle Gateway nanopayments for the agent. |
| nanopay_deposit | Deposit funds from the main agent wallet to the nanopayment Gateway. |
| nanopay_withdraw | Withdraw unused funds from the Gateway back to the main wallet. |
| nanopay_balance | Check the True Available Balance (Gateway deposits minus pending signatures). |
| submit_intent | Execute a standard USDC payment with compliance and policy enforcement. |
| get_intent | Retrieve the status and compliance metadata of a previously submitted payment intent. |
| list_intents | Fetch recent payment intents for audit trail review. |
| open_channel | Lock funds into a smart contract for high-frequency micro-transactions. |
| consume_channel | Execute instant, gas-free micro-payments inside an open channel. |
| settle_channel | Close the vault and distribute funds on-chain. |
| get_channel | Check the current capacity and state of a specific payment channel. |
| list_channels | List all payment channels associated with the agent's wallet. |
| get_balance | Retrieve the current USDC balance of the agent's primary Smart Contract Wallet. |
{
"mcpServers": {
"modexia": {
"command": "uvx",
"args": ["args"],
"env": {
"MODEXIA_API_KEY": "your-value",
"MODEXIA_BASE_URL": "your-value"
}
}
}
}Add to claude_desktop_config.json, then restart Claude Desktop.
| Variable | Description | Required |
|---|---|---|
| MODEXIA_API_KEY | Credential the server authenticates with. | Yes |
| MODEXIA_BASE_URL | Endpoint or connection string the server talks to. | Yes |
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