NestDaddy

x402Shield

dev.x402shield/x402shield · v0.1.0

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

Connect Remote server

Terminal
claude mcp add --transport http x402shield https://x402shield.dev/api/mcp
~/.cursor/mcp.json
{
  "mcpServers": {
    "x402shield": {
      "url": "https://x402shield.dev/api/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "x402shield": {
      "type": "http",
      "url": "https://x402shield.dev/api/mcp"
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://x402shield.dev/api/mcp

Tools 5 found in our last check

  • 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…

  • 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 REQU…

  • 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.

Details

Endpointhttps://x402shield.dev/api/mcp (Streamable HTTP)
First published9 Oct 2026
Last updated9 Oct 2026
Registry namedev.x402shield/x402shield

More security servers See all

Listing data from the official MCP registry. Status and tools from NestDaddy's daily check. Browse all MCP servers.