# Larrylemonbot Gatecheck MCP server

Source: https://glimind.com/server/mcp-registry%2Fio.github.larrylemonbot%2Fgatecheck
Registry id: `mcp-registry/io.github.larrylemonbot/gatecheck`
Status: live (checked 2026-10-27T03:27:20.958Z)

## Verdict

Larrylemonbot Gatecheck MCP server answered 100% of Glimind's liveness checks over 30 days, better than 42% of MCP servers, with 591 ms median handshake and 4 outages in 90 days. Its agent-readiness grade is A (97/100) across 6 tools, costing an agent about 1,867 tokens to load. Checked every few minutes; no tool is ever called.

## Measurements (30 days)

| Metric | Value | Better than |
|---|---|---|
| Uptime, 30 days | 100% | 42% of MCP servers |
| Median handshake latency | 591 ms | 42% of MCP servers |
| p95 handshake latency | 2746 ms | — |
| Checks in 30 days | 4,947 | — |
| Outages, 90 days | 4 | — |
| Median recovery | 6 min | — |
| Agent-readiness score | 97/100 (A) | 91% of MCP servers |
| Tools | 6 | — |
| Tool-list size for an agent | ~1,867 tokens | 54% of MCP servers |
| Days observed | 29 | — |

## Install

```json
{
  "mcpServers": {
    "larrylemonbot-gatecheck-mcp-server": {
      "type": "http",
      "url": "https://proofbeforepay.vercel.app/gatecheck/mcp"
    }
  }
}
```

Claude Code:

```sh
claude mcp add --transport http larrylemonbot-gatecheck-mcp-server https://proofbeforepay.vercel.app/gatecheck/mcp
```

## Tools (6)

- `boundary_guard_check`: Create a deterministic, read-only pre-action receipt from request, policy, and optional result evidence. Use before an agent posts, spends, lists, or writes so 
- `check_agent_tool_readiness`: GateCheck readiness: check whether an x402/agent-facing tool is ready for agent routing, marketplace listing, and paid-path monitoring, including public agent d
- `generate_trust_receipt`: Generate a deterministic trust receipt from sanitized request/policy/result/payment summaries. Do not submit raw auth headers, cookies, API keys, private keys, 
- `generate_x402_launch_pack`: Generate marketplace-safe launch assets for an x402/MCP seller: listing copy, buyer FAQ, checklist, approval packet, and claim boundaries. Pass target plus opti
- `probe_x402_paid_path`: Probe a public x402 paid endpoint without signing or paying, then parse the HTTP 402 challenge. Pass target plus optional expected network/asset/price to verify
- `scan_x402_resource`: Read-only scan of a public API/provider URL for x402, OpenAPI, pricing, and agent-discovery metadata. Pass url, and optionally marketplace_url plus expected_res

Measured by Glimind (https://glimind.com): MCP handshake + tool list only, no tool is ever called. CC BY 4.0.