Private agent payments on Solana via ZK proofs: deposit, withdraw, list pools, estimate fees.
Connect Runs on your machine
claude mcp add snap-private-payments -e SNAP_RPC_URL=<SNAP_RPC_URL> -e SNAP_POOL_ADDRESS=<SNAP_POOL_ADDRESS> -e SNAP_RELAYER_URL=<SNAP_RELAYER_URL> -- npx -y [email protected]{
"mcpServers": {
"snap-private-payments": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"SNAP_RPC_URL": "<SNAP_RPC_URL>",
"SNAP_POOL_ADDRESS": "<SNAP_POOL_ADDRESS>",
"SNAP_RELAYER_URL": "<SNAP_RELAYER_URL>"
}
}
}
}{
"mcpServers": {
"snap-private-payments": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"SNAP_RPC_URL": "<SNAP_RPC_URL>",
"SNAP_POOL_ADDRESS": "<SNAP_POOL_ADDRESS>",
"SNAP_RELAYER_URL": "<SNAP_RELAYER_URL>"
}
}
}
}{
"servers": {
"snap-private-payments": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"SNAP_RPC_URL": "<SNAP_RPC_URL>",
"SNAP_POOL_ADDRESS": "<SNAP_POOL_ADDRESS>",
"SNAP_RELAYER_URL": "<SNAP_RELAYER_URL>"
}
}
}
}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 |
|---|---|
SNAP_RPC_URLRequired | Solana RPC endpoint URL |
SNAP_POOL_ADDRESSRequired | Default shielded pool address |
SNAP_RELAYER_URLOptional | Optional relayer URL for private withdrawals |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 6 Jun 2026 |
| Last updated | 6 Jun 2026 |
| Registry name | io.github.agentzeny/snap-private-payments |
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