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Imperium MCP Security — Prompt-Injection, Jailbreak & Tool Poisoning Firewall

Official registry Security

Real-time MCP & A2A prompt-injection, jailbreak, and tool-schema poisoning firewall for AI agents.

Source code Website Documentation

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http imperium-mcp-security-prompt-injection-j 'https://mcp-security.agentdiet.dev/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "imperium-mcp-security-prompt-injection-j": {
            "type": "http",
            "url": "https://mcp-security.agentdiet.dev/mcp"
        }
    }
}

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Assay — A2A & MCP Provider Assurance Observatory

Live Observatory: **https://assay-207908449630.us-central1.run.app**

Assay continuously probes remote MCP, A2A, and x402 endpoints to verify liveness, pin canonical SHA-256 tools/list schema hashes (detecting silent MCP Rug Pulls), and scan for prompt-injection tool poisoning before your agent pays or executes a tool.

MCP Endpoint

  • Streamable HTTP MCP: https://assay-207908449630.us-central1.run.app/mcp
  • Pre-Flight REST API: POST https://assay-207908449630.us-central1.run.app/v1/preflight
  • Live Leaderboard: GET https://assay-207908449630.us-central1.run.app/v1/leaderboard

Frequently asked questions

What is Imperium MCP Security — Prompt-Injection, Jailbreak & Tool Poisoning Firewall?

Real-time MCP & A2A prompt-injection, jailbreak, and tool-schema poisoning firewall for AI agents.

How do I install Imperium MCP Security — Prompt-Injection, Jailbreak & Tool Poisoning Firewall?

It runs as a remote server. In Claude Code: claude mcp add --transport http imperium-mcp-security-prompt-injection-j 'https://mcp-security.agentdiet.dev/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Imperium MCP Security — Prompt-Injection, Jailbreak & Tool Poisoning Firewall need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is Imperium MCP Security — Prompt-Injection, Jailbreak & Tool Poisoning Firewall open source?

Yes. Its code is on GitHub under the MIT license.

Who maintains Imperium MCP Security — Prompt-Injection, Jailbreak & Tool Poisoning Firewall?

It is published by robertoyanguas-ops. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.