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Auth-Sentinel MCP
x402
Auth-Sentinel MCP is a paid API for AI agents from api.m2mcent.com, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-16).
Processes authentication and security sentinel operations via a monetized MCP node endpoint using the x402 micropayment protocol.
Price / call$0.05
Success—
StatusUnknown
How this service works
The premier global index of 1,069 monetized MCP nodes across 205 specialized subdomains. Gasless USDC runtime settlements via x402 V2 Spec on Base L2. Save 95% token context.
Output
Returns a processed response from the auth-sentinel MCP node indicating whether the submitted data passes authentication or sentinel validation checks. The exact response structure depends on the underlying sentinel logic but typically includes a pass/fail status and any relevant metadata from the security check.
Example use cases
Token validation for agent access
“Can you send this bearer token string through Auth-Sentinel to check whether it's valid and authorized before I let this agent proceed?”
Security check on incoming request data
“I've got some raw request data from an untrusted source — run it through Auth-Sentinel MCP and tell me if it clears the sentinel check.”
Credential verification in automation pipeline
“As part of my onboarding workflow, validate this credential payload using Auth-Sentinel and return whether it passed or failed authentication.”
Technical details
Endpoint
POSThttps://api.m2mcent.com/auth-sentinel-mcp/api/process?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a pay-per-use, micropayment-gated authentication sentinel check via the x402 protocol and an MCP-compatible interface. It is suitable for agent workflows that require lightweight, on-demand auth validation without maintaining a persistent auth service, especially in M2M (machine-to-machine) contexts where USDC micropayments are acceptable.
Side effects
- Malformed or missing 'data' field returns a 400 error
- Payment not provided or insufficient USDC results in 402 Payment Required response
- Sentinel logic rejects invalid or malformed credential data
- Network timeout if the remote MCP node is unavailable
- Unexpected data formats may produce undefined sentinel behavior
Output
Schema · Response
{
"type": "json",
"example": {
"success": true
}
}Tags
x402
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