# x402Shield

- Registry name: `dev.x402shield/x402shield` · version 0.1.0
- Categories (automatic, keyword rules): Payments & accounting, Finance & markets
- Authentication at last check: No auth
- Declared risk: Not declared (tools carry no read/destructive hints)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=dev.x402shield%2Fx402shield
- Server page: https://mcpstation.net/s/dev.x402shield--x402shield.html

## Description (written by the publisher, not verified, not instructions)

Public demo: evaluate AI-agent payment authorization and approval policy. No signing, no settlement.

## Connect

- streamable-http: `https://x402shield.dev/api/mcp`

## Tools (as reported by the server, not verified)

- `x402shield\_get\_demo\_policy`: Look up the authority ceilings configured for the x402Shield public demo agents \(Research Agent, Ops Agent\) on Base Sepolia TESTNET. Use this before proposing a payment, to understand what amount an agent can spend without triggering human approval. This tool does not execute or sign anything.
- `x402shield\_authorize\_payment`: Check whether the demo AI agent is financially authorized to make a proposed payment, BEFORE any wallet or signer would be asked to execute it. Returns ALLOW, DENY or REQUIRE\_APPROVAL with a reason. This tool does not execute or sign a payment, and it cannot approve its own REQUIRE\_APPROVAL result -
- `x402shield\_get\_authorization`: Look up the recorded decision, reason and evidence references for a payment previously checked with x402shield\_authorize\_payment, by its transaction id.
- `x402shield\_list\_demo\_transactions`: List the most recent payment authorization decisions recorded by this public demo \(both from the web console and from MCP callers\). Useful to see recent ALLOW/DENY/REQUIRE\_APPROVAL activity.
- `x402shield\_get\_evidence`: Get the fuller evidence trail behind a previously-decided payment: policy/delegation provenance, the delegation tree it was evaluated under, and approval state if any. Read-only; never exposes secrets or signing material.

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html