Safe4
Tests an AI agent's purchase against the task it was given. Paid per call in USDC via x402.
Connect it
Settings → Connectors → Add custom connector
URL: https://api.safe4.ai/mcp/Settings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://api.safe4.ai/mcp/{
"mcpServers": {
"safe4": {
"url": "https://api.safe4.ai/mcp/"
}
}
}claude mcp add --transport http safe4 https://api.safe4.ai/mcp/{
"servers": {
"safe4": {
"type": "http",
"url": "https://api.safe4.ai/mcp/"
}
}
}2 tools, verified live
safe4_pricePrice and accepted payment networks for one Safe4 decision. Free to call. Returns the same x402 terms the HTTP endpoint advertises, so an agent can see the cost before committing to a paid call.
safe4_authorizeDecide whether a proposed agent payment should proceed. Settled per call in USDC over x402. Called without ``payment`` it returns the price list rather than a decision; call it again with the signed payload to receive one. The task and the two allow-lists are the principal's constraints, not the agent's: they are what the purchase is tested against, so an agent that writes its own ``task`` is gr
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