The Prompt-injection check (x402) MCP server,
connected in one click.
Prompt-injection check, safe web fetch, and skill-pack audit for agents. Free trial, then x402. Connect the official Prompt-injection check (x402) MCP server to Claude, ChatGPT, or Cursor through gate — one gateway URL, no config files, security-checked.
Free to start · No credit card · No hosting needed
Add Prompt-injection check (x402) to your AI in one minute
Pick your client. Copy, paste, done — or let gate handle sign-ins and policies for you.
claude mcp add --transport http prompt-injection-check-x402 https://prompt-injection-check.onrender.com/mcpRun in your terminal, then restart Claude Code.
Prompt-injection check (x402) · https://prompt-injection-check.onrender.com/mcp
What your AI can do with Prompt-injection check (x402)
Real prompts you can type the moment it's connected — no setup, no docs to read.
“Use “check_prompt_injection”: Check untrusted texts or URLs for prompt injection before your agent reads them. Per item: verdict (safe, suspicious, injection), score, int.”
“Use “fetch_and_check”: Fetch 1 to 10 public https pages in one call. Per URL: status, final_url, title, clean markdown, verdict (safe, suspicious, injection), inte.”
“Use “try_check_prompt_injection”: Free, no payment. Same check and same output as check_prompt_injection for 1 text of at most 4000 characters, plus a trial object with remai.”
“Use “try_fetch_and_check”: Free, no payment. Same fetcher, safety rules and output as fetch_and_check for 1 public https URL, plus a trial object. 3 free calls per sou.”
How secure is the Prompt-injection check (x402) MCP server?
Every server in the gate directory has to pass the same four checks before your AI can touch it. Here's how Prompt-injection check (x402) holds up.
Official endpoint
Operated by Prompt-injection check (x402) (onrender.com) at its documented MCP endpoint — not a third-party mirror or community re-host.
No sign-in needed
This server only exposes public data — no account and no credentials are involved when you connect.
Scanned before it goes live
gate checks every tool for prompt injection, hidden instructions, data-exfiltration hints, and over-broad permissions before the server is available through your gateway.
Watched for drift
If Prompt-injection check (x402) adds or changes tools later, gate re-scans and alerts you — before your AI acts on the change.
Connected in three steps
Connect your gate
Add one gateway URL to Claude, ChatGPT, or any MCP client. One-time setup, about two minutes.
Pick Prompt-injection check (x402)
Choose Prompt-injection check (x402) in the gate directory. No sign-in needed.
Use it anywhere
Prompt-injection check (x402)'s tools are live in every AI client you've connected — with rules and logging built in.
Free to start · No credit card · No hosting needed
The actual tools Prompt-injection check (x402) exposes
Fetched live from the official endpoint and re-checked daily by gate — not marketing copy.
check_prompt_injection — Check untrusted texts or URLs for prompt injection before your agent reads them. Per item: verdict (safe, suspicious, injection), score, int
fetch_and_check — Fetch 1 to 10 public https pages in one call. Per URL: status, final_url, title, clean markdown, verdict (safe, suspicious, injection), inte
try_check_prompt_injection — Free, no payment. Same check and same output as check_prompt_injection for 1 text of at most 4000 characters, plus a trial object with remai
try_fetch_and_check — Free, no payment. Same fetcher, safety rules and output as fetch_and_check for 1 public https URL, plus a trial object. 3 free calls per sou
check_skill_pack — Static permission report for an agent skill pack. Send files (a list of {path, content}, up to 30) or one public https url to a raw file. Pe
try_check_skill_pack — Free, no payment. Same report and output as check_skill_pack for 1 pack (files or url), plus a trial object. 3 free calls per source per UTC
selftest — Free. Replays the published known-answer set v1.2 (24 cases) and returns score and sha256, so you can verify the detector before paying.
Who runs the Prompt-injection check (x402) MCP server?
The Prompt-injection check (x402) MCP server at a glance
https://prompt-injection-check.onrender.com/mcpQuestions, answered
Is there an official Prompt-injection check (x402) MCP server?
Yes — Prompt-injection check (x402) operates its own remote MCP server at prompt-injection-check.onrender.com. gate connects you to that official endpoint and adds security scanning, per-tool access rules, and an activity log on top.
How do I connect Prompt-injection check (x402) to Claude or ChatGPT?
Add gate's gateway URL to your AI client once, then pick Prompt-injection check (x402) in the directory. No account or sign-in is needed. From then on, Prompt-injection check (x402)'s tools are available in every client you've connected to gate.
Do I need to host anything?
No. Prompt-injection check (x402) runs the server, and gate is fully managed. You just connect one URL — there's nothing to install, deploy, or maintain.
Is the Prompt-injection check (x402) MCP server safe to connect?
It's the vendor's official endpoint, and gate scans its tools for prompt injection and hidden instructions before it goes live, re-checks it whenever it changes, and lets you allow, block, or require approval for every single tool.
Is it free?
Yes — you can get started with gate for free and connect Prompt-injection check (x402) in minutes. No credit card required.
Connect more than just Prompt-injection check (x402)
Every server below works through the same gateway URL — connect once, add tools anytime.
Squarespace DomainsDesignView →Set up Prompt-injection check (x402) in: Claude · Claude Code · ChatGPT · Cursor · VS Code
Give your AI Prompt-injection check (x402) — safely.
One URL. All MCPs. Full control. Free to start.
Get started free