XGuard — Payment Decision & Discovery is listed as active in the registry but did not answer our last check. It exposes 10 tools. Last commit 8 Oct 2026.
Payment decisions, durable evidence, x402 resource discovery and live gateway status for AI agents.
Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 25 August 2026. No other catalogue keeps this.
We read the source, 7 d ago · tools taken from the live server · rules ccca72095570
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
for (const script of document.querySelectorAll("script")) { assert.doesNotThrow(() => new Function(script.textContent)); assert.ok(script.getAttribute("nonce")); }
const LOGO_PNG_BASE64 = "iVBORw0KGgoAAAANSUhEUgAAAZAAAAGQCAYAAACAvzbMAAAMe0lEQVR42u3dwU0kS7Cw0QaNhFjQPowXYwJGYAZbJCS2mIERmIAX+NAOMKvZ0IO6uyqzMiPinN2TnvT/tyorvgz6Xr2rm9u7rx0AXOjaIwBAQAAQEAAEBAABAQABAUBAABAQAAQEAAEBAAEBQEAAEBAABAQAAQEAAQFAQAAQEAAEBAABAQABAUBAABAQAAQEAAEBAAEBQEAAEBA…
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 11 min ago.
claude mcp add xguard --transport http https://xguard-mainnet.maqamapp.workers.dev/mcp
{
"mcpServers": {
"xguard": {
"url": "https://xguard-mainnet.maqamapp.workers.dev/mcp"
}
}
}
[mcp_servers.xguard]
url = "https://xguard-mainnet.maqamapp.workers.dev/mcp"
{
"mcpServers": {
"xguard": {
"url": "https://xguard-mainnet.maqamapp.workers.dev/mcp"
}
}
}
{
"mcpServers": {
"xguard": {
"url": "https://xguard-mainnet.maqamapp.workers.dev/mcp"
}
}
}
This server publishes 1 more address. The block above uses the one we reach during checks; the full list is under Endpoints below, and the author may intend a particular one for your client.
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
xguard_discovery_search
xguard_facilitator
xguard_health
xguard_inspect
xguard_integration
xguard_protocols
xguard_receipt
xguard_route
xguard_safety_test
xguard_supported
Tools this server used to expose. Anything built against them stopped working on the day they went.
xguard_resource_details
xguard_discover
xguard_endpoint_details
xguard_status
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://xguard-mainnet.maqamapp.workers.dev/mcp | streamable-http | answering | 51 ms | 11 min ago |
| https://xguardgate.com/mcp | streamable-http | answering | 160 ms | 11 min ago |
Pay for APIs with USDC. Read-only x402 payment discovery, verification, evidence, and status.
Smart accounts, x402 payments, on-chain reputation, and service discovery for AI agents
Payment gateway for AI agents with tool discovery, provisioning, metering, and reliability tools.
Paid MCP web research for agents: search, extraction, citations, and x402 payment discovery.
Read-only discovery for exact-commit Agent Skill validation, x402 payment, and signed receipts.
Free evidence capability discovery, quotes and durable unmet requests. No payment or spend.
Trust layer for AI agents: identity, guard, redact, escrow, and x402 payments.
Paid x402 and MPP tools for agent discovery, payment safety, data, and DeFi.
Answers built from our own checks of this server.