Cloakcheck is an MCP server with 1 tool an agent can call, among them check_page_for_injection. It answers at https://cloakcheck-wheat.vercel.app/api/mcp over streamable HTTP, and it listed its tools to an anonymous client, so no sign-in was needed for that. Our probes reached it 5 of 5 times since 13 September 2026; the last check, on 20 October 2026, succeeded.
Scan a page for hidden prompt-injection payloads targeting AI agents.
Description as the publisher wrote it.
| Tool | What it does |
|---|---|
check_page_for_injection | Scan a single web page for content planted to hijack an AI agent reading it -- invisible unicode (zero-width chars, the unicode 'tag' block used for steganographic prompt injection), CSS-hidden instruction text, and instruction-shaped langu Inputs: url |
Every block below points at https://cloakcheck-wheat.vercel.app/api/mcp. Pick your client and copy.
claude mcp add --transport http cloakcheck https://cloakcheck-wheat.vercel.app/api/mcp
{
"mcpServers": {
"cloakcheck": {
"command": "npx",
"args": ["-y", "mcp-remote", "https://cloakcheck-wheat.vercel.app/api/mcp"]
}
}
}{
"mcpServers": {
"cloakcheck": {
"url": "https://cloakcheck-wheat.vercel.app/api/mcp"
}
}
}{
"servers": {
"cloakcheck": {
"type": "http",
"url": "https://cloakcheck-wheat.vercel.app/api/mcp"
}
}
}{
"context_servers": {
"cloakcheck": {
"url": "https://cloakcheck-wheat.vercel.app/api/mcp"
}
}
}{
"mcpServers": {
"cloakcheck": {
"serverUrl": "https://cloakcheck-wheat.vercel.app/api/mcp"
}
}
}{
"mcpServers": {
"cloakcheck": {
"url": "https://cloakcheck-wheat.vercel.app/api/mcp"
}
}
}name: Cloakcheck
version: 0.0.1
schema: v1
mcpServers:
- name: Cloakcheck
type: streamable-http
url: https://cloakcheck-wheat.vercel.app/api/mcp{
"mcpServers": {
"cloakcheck": {
"httpUrl": "https://cloakcheck-wheat.vercel.app/api/mcp"
}
}
}{
"mcpServers": {
"cloakcheck": {
"type": "http",
"url": "https://cloakcheck-wheat.vercel.app/api/mcp"
}
}
}{
"mcpServers": {
"cloakcheck": {
"url": "https://cloakcheck-wheat.vercel.app/api/mcp"
}
}
}goose://extension?url=https%3A%2F%2Fcloakcheck-wheat.vercel.app%2Fapi%2Fmcp&type=streamable_http&id=cloakcheck&name=Cloakcheck
It answered our last check on 20 October 2026 in 167 ms. Over 5 checks since 13 September 2026 it answered 5. Status here comes from Neuronto's own probes, not from the publisher.
1, as returned by the server's own tools/list on 24 September 2026: check_page_for_injection.
It answered our last check on 20 October 2026 in 167 ms. Over 5 checks since 13 September 2026 it answered 5.
Put the server under mcpServers in ~/.cursor/mcp.json with the URL https://cloakcheck-wheat.vercel.app/api/mcp. The exact JSON is above, with the same setup for Claude Code, Claude Desktop, VS Code, Windsurf, Zed, Gemini CLI and the rest.
It listed its tools to an anonymous client, so reading the tool list needs no key. Individual tools can still ask for credentials in their own inputs.
Publisher: app.vercel.cloakcheck-wheat. Endpoint host: cloakcheck-wheat.vercel.app. ARD identifier: urn:air:app.vercel.cloakcheck-wheat:mcp:cloakcheck.
First indexed 13 September 2026. The tools are exactly what the server returned; nothing on this page
is inferred from its name. Ranking in Neuronto search is never for sale.