Cloakcheck

Scan a page for hidden prompt-injection payloads targeting AI agents.

Connector by cloakcheck-wheat.vercel.app · Domain verified by the MCP Registry

IndexedLicense unknownRemote (HTTP)

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Install

Works with Claude Code, VS Code, Cursor, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install connector/cloakcheck-wheat-vercel-app-cloakcheck

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

Remote endpoint

https://cloakcheck-wheat.vercel.app/api/mcp Remote (HTTP)

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About

Scan a page for hidden prompt-injection payloads targeting AI agents.

Reviews

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No reviews yet. Installed it? Reviews come from verified installers only. How reviews work

Permissions

What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.

Tools: 1 read · 0 write · 0 deleteRead-only
Secrets: None asked for
Install scripts: Nothing to install (hosted)
Runs as: Hosted (remote endpoint)

Tools by what they do 1

From the running server's own tool list (tools/list) on Oct 25, 2026.

Read 1 · Look things up without changing anything.

check_page_for_injection

Network hosts it talks to 1

cloakcheck-wheat.vercel.app · found in remote endpoint, install command

Tools (1)

As the server listed them on Oct 25, 2026. Descriptions are the server’s own words; hidden characters are shown as [U+…].

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 language in alt/title/aria-label attributes a human would never read. Does NOT judge whether visible body text is safe -- only content hidden from normal human reading flow is flagged, so a page that legitimately discusses prompt injection won't false-positive on itself. Call this before an autonomous shopping/browsing agent acts on a page's content (add to cart,…

Signals

Last release: Sep 13, 2026 (1 month ago)

Details

Registry name: app.vercel.cloakcheck-wheat/cloakcheck
Version: 1.0.0
Auth: Auth not stated
License: License unknown
Website: cloakcheck-wheat.vercel.app
First seen: Oct 24, 2026
Last checked: Oct 25, 2026
Source: Official MCP Registry

Rank

of 44,833 in Connectors

Score

0.517

How ranking works →

Grades

Freshness

Active in the last 90 days. Last activity 1 month ago.

–

Security

Security scan: in progress. Grades from our dependency, secret, code and prompt-injection checks appear here once they launch. Until then, check the code before you install.

Indexed

Found automatically from a public source. Not yet claimed by its publisher.

How grades work →

Availability

100% uptime, last 30 days (1 check)

Last check: 5 days ago
Status: Up
Median response: 358 ms

Up
Up, auth required
Down
Not checked
No data

A daily MCP handshake with the remote endpoint. “Auth required” means it answered and wants a login or key. “Not checked” means the URL needs your own account or blocks automated checks.

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See how we build AI agents →Read the case studies

Chalk Labs is a two-founder AI and growth studio. We build AI agents, CRMs and MVPs for Web3 and AI companies, and have shipped 50+ product and token launches.

launches shipped: 50+; launches shipped
media placements: 500+; media placements
founders on every account: 2; founders on every account

Press we've placed: Forbes · CoinDesk · Decrypt · Cointelegraph · The Block

Rahil Jain, Co-founder, Chalk Labs. Ex-Goldman Sachs engineer. You talk to the person who builds it.

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Cite this page

Cloakcheck MCP server. Agent Mart. https://agentmart.dev/connectors/cloakcheck-wheat-vercel-app-cloakcheck (last updated 2026-10-25)