MCP server for Agon Gateway x402, Helius Wallet, and Tokens API market data.
Connect Runs on your machine
claude mcp add agon-gateway -e AGON_GATEWAY_BASE_URL=<AGON_GATEWAY_BASE_URL> -e AGON_SIGNER_COMMAND=<AGON_SIGNER_COMMAND> -e AGON_WALLET_PROFILE=<AGON_WALLET_PROFILE> -e AGON_PAYMENT_MAX_AMOUNT_USD=<AGON_PAYMENT_MAX_AMOUNT_USD> -e AGON_PAYMENT_DAILY_LIMIT_USD=<AGON_PAYMENT_DAILY_LIMIT_USD> -- npx -y @agonx402/[email protected]{
"mcpServers": {
"agon-gateway": {
"command": "npx",
"args": [
"-y",
"@agonx402/[email protected]"
],
"env": {
"AGON_GATEWAY_BASE_URL": "<AGON_GATEWAY_BASE_URL>",
"AGON_SIGNER_COMMAND": "<AGON_SIGNER_COMMAND>",
"AGON_WALLET_PROFILE": "<AGON_WALLET_PROFILE>",
"AGON_PAYMENT_MAX_AMOUNT_USD": "<AGON_PAYMENT_MAX_AMOUNT_USD>",
"AGON_PAYMENT_DAILY_LIMIT_USD": "<AGON_PAYMENT_DAILY_LIMIT_USD>"
}
}
}
}{
"mcpServers": {
"agon-gateway": {
"command": "npx",
"args": [
"-y",
"@agonx402/[email protected]"
],
"env": {
"AGON_GATEWAY_BASE_URL": "<AGON_GATEWAY_BASE_URL>",
"AGON_SIGNER_COMMAND": "<AGON_SIGNER_COMMAND>",
"AGON_WALLET_PROFILE": "<AGON_WALLET_PROFILE>",
"AGON_PAYMENT_MAX_AMOUNT_USD": "<AGON_PAYMENT_MAX_AMOUNT_USD>",
"AGON_PAYMENT_DAILY_LIMIT_USD": "<AGON_PAYMENT_DAILY_LIMIT_USD>"
}
}
}
}{
"servers": {
"agon-gateway": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@agonx402/[email protected]"
],
"env": {
"AGON_GATEWAY_BASE_URL": "<AGON_GATEWAY_BASE_URL>",
"AGON_SIGNER_COMMAND": "<AGON_SIGNER_COMMAND>",
"AGON_WALLET_PROFILE": "<AGON_WALLET_PROFILE>",
"AGON_PAYMENT_MAX_AMOUNT_USD": "<AGON_PAYMENT_MAX_AMOUNT_USD>",
"AGON_PAYMENT_DAILY_LIMIT_USD": "<AGON_PAYMENT_DAILY_LIMIT_USD>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
AGON_GATEWAY_BASE_URLOptional | Optional Agon Gateway base URL. Defaults to https://gateway.agonx402.com. |
AGON_SIGNER_COMMANDOptional | Executed only by agon_gateway_auth_call after an HTTP 402: spawns once with the normalized auth-request JSON on stdin (same shape as agon_gateway_prepare_auth). Stdout must be JSON auth output (headers map, or SIWX address+signature). On Windows, npx/npm run under cmd.exe; treat AGON_SIGNER_COMMAND… |
AGON_WALLET_PROFILEOptional | Optional Agon wallet profile hint passed to signer hooks. |
AGON_PAYMENT_MAX_AMOUNT_USDOptional | Optional x402 maximum USD amount per request. |
AGON_PAYMENT_DAILY_LIMIT_USDOptional | Optional x402 daily authorized spend limit in USD. |
Details
| Package | @agonx402/[email protected] (NPM, stdio) |
| First published | 2 May 2026 |
| Last updated | 2 May 2026 |
| Registry name | io.github.Agonx402/agon-gateway |
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