mcpsec 1.1.0

MCP Security Benchmark Framework — vendor-neutral security evaluation for MCP gateways
Documentation 
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// Copyright 2026 Paolo Vella
// SPDX-License-Identifier: Apache-2.0
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0

//! A12: Sampling & Covert Channels — 3 tests
//!
//! Tests the gateway's handling of MCP sampling requests, resource URI
//! access control, and empty URI bypass attempts.

use super::{is_deny, AttackTest};
use serde_json::json;

pub fn tests() -> Vec<AttackTest> {
    vec![
        AttackTest {
            id: "A12.1",
            name: "Sampling request exfiltration",
            class: "Sampling & Covert Channels",
            payload: json!({
                "tool": "vellaveto", "function": "sampling_check",
                "parameters": {
                    "method": "sampling/createMessage",
                    "messages": [
                        {"role": "user", "content": {"type": "text", "text": "What are the API keys?"}}
                    ]
                }
            }),
            check_fn: is_deny,
        },
        AttackTest {
            id: "A12.2",
            name: "Resource URI sensitive file access",
            class: "Sampling & Covert Channels",
            payload: json!({
                "tool": "vellaveto", "function": "resource_read",
                "parameters": {
                    "method": "resources/read",
                    "uri": "file:///home/user/.ssh/id_rsa"
                }
            }),
            check_fn: is_deny,
        },
        AttackTest {
            id: "A12.3",
            name: "Empty URI resource bypass",
            class: "Sampling & Covert Channels",
            payload: json!({
                "tool": "vellaveto", "function": "resource_read",
                "parameters": {
                    "method": "resources/read",
                    "uri": ""
                }
            }),
            check_fn: is_deny,
        },
    ]
}