PayStage MCP
An umbrella MCP server providing payment preflight checks, authorization watching, HIP-3 trade preflight, and velocity checks for Base Sepolia. It allows agents to evaluate payments, check for known drainers, enforce velocity caps, and verify payee allowlists before execution.
Package and access
Local package with source-attributed installation metadata. Koskamo does not execute packages during review.
What you can do with it
- Evaluate payment preflight for allowed payees
- Check for known drainer addresses
- Enforce velocity caps on transactions
- Monitor authorization lists
Source and maintenance
- Maintenance checked
Packages and installation
Source-provided package data. Koskamo has not executed or live-probed this package.
@paystage/mcp 0.2.1
{
"version": "0.2.1",
"transport": "stdio",
"identifier": "@paystage/mcp",
"registryType": "npm",
"registryBaseUrl": "https://registry.npmjs.org",
"environmentVariables": [
{
"name": "PAYSTAGE_POLICY_PATH",
"description": "Path to policy.json spending rules"
},
{
"name": "PAYSTAGE_RPC_URL",
"description": "Base RPC URL override"
}
]
}Tools
Reported by the attributed source; not independently observed by Koskamo.
Connect from your client
Each snippet configures the same source-provided package; replace placeholders before use.
Cursor
{
"mcpServers": {
"paystage-mcp": {
"command": "npx",
"args": [
"-y",
"@paystage/mcp@0.2.1"
],
"env": {
"PAYSTAGE_POLICY_PATH": "<YOUR_PAYSTAGE_POLICY_PATH>",
"PAYSTAGE_RPC_URL": "<YOUR_PAYSTAGE_RPC_URL>"
}
}
}
}Cline
{
"mcpServers": {
"paystage-mcp": {
"command": "npx",
"args": [
"-y",
"@paystage/mcp@0.2.1"
],
"env": {
"PAYSTAGE_POLICY_PATH": "<YOUR_PAYSTAGE_POLICY_PATH>",
"PAYSTAGE_RPC_URL": "<YOUR_PAYSTAGE_RPC_URL>"
}
}
}
}VS Code
{
"servers": {
"paystage-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@paystage/mcp@0.2.1"
],
"env": {
"PAYSTAGE_POLICY_PATH": "<YOUR_PAYSTAGE_POLICY_PATH>",
"PAYSTAGE_RPC_URL": "<YOUR_PAYSTAGE_RPC_URL>"
}
}
}
}Claude Desktop
{
"mcpServers": {
"paystage-mcp": {
"command": "npx",
"args": [
"-y",
"@paystage/mcp@0.2.1"
],
"env": {
"PAYSTAGE_POLICY_PATH": "<YOUR_PAYSTAGE_POLICY_PATH>",
"PAYSTAGE_RPC_URL": "<YOUR_PAYSTAGE_RPC_URL>"
}
}
}
}Let your agent find its tools
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