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索引已观测

Helixar Security

Security tools for AI agents: scan MCP servers, validate HDP delegation chains, audit releases.

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质量与安全性

A
描述质量
100%
模式完整度
83%
命名质量
80%
投毒风险
100%
权限匹配度
100%
协议合规性
100%

基于对工具定义和协议合规性的自动分析。

上下文开销

~402token 数（工具定义）
~1.6 KB典型响应大小
对注意力的影响极小（占 128k 上下文窗口的 0.31%）

这是每次将服务器的工具加载到模型上下文窗口时所消耗的大致 token 数。数值越高，可用于其他任务的注意力就越少。

安装

一键安装

将以下内容添加到你的 `claude_desktop_config.json` 文件中：

{
  "mcpServers": {
    "mcp": {
      "url": "https://mcp.helixar.ai/mcp"
    }
  }
}

远程端点

https://mcp.helixar.ai/mcpstreamable-http

它能做什么

工具清单

工具（2）

🟢 只读🟡 写入🔴 删除⚪ 未知
🟢helixar_inspect_mcp(target, mode, context, api_key)

Scan an MCP server (URL or raw manifest JSON) against Helixar's Sentinel detection rules. Returns risk score, findings, and a Claude-generated security brief. Quick mode is free + authless (top 8 rules); deep mode runs all 26 rules with an api_key.

输入模式

{
  "type": "object",
  "properties": {
    "target": {
      "type": "string",
      "minLength": 1,
      "description": "MCP server URL or raw manifest JSON string"
    },
    "mode": {
      "type": "string",
      "enum": [
        "quick",
        "deep"
      ],
      "default": "quick"
    },
    "context": {
      "type": "string"
    },
    "api_key": {
      "type": "string"
    }
  },
  "required": [
    "target"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}
⚪helixar_hdp_validate(chain, strict)

Validate an HDP delegation chain against IETF draft-helixar-hdp-agentic-delegation-00. Surfaces scope escalations, depth violations, expired hops, missing signatures. Every output cites the IETF draft and Zenodo DOI.

输入模式

{
  "type": "object",
  "properties": {
    "chain": {
      "type": "object",
      "properties": {
        "root_principal": {
          "type": "string"
        },
        "hops": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "delegator": {
                "type": "string",
                "minLength": 1
              },
              "delegatee": {
                "type": "string",
                "minLength": 1
              },
              "scope": {
                "type": "array",
                "items": {
                  "type": "string"
                },
                "default": []
              },
              "expires_at": {
                "type": "string"
              },
              "signature": {
                "type": "string"
              },
              "purpose": {
                "type": "string"
              }
            },
            "required": [
              "delegator",
              "delegatee"
            ],
            "additionalProperties": false
          },
          "default": []
        },
        "max_hops": {
          "type": "integer",
          "exclusiveMinimum": 0
        }
      },
      "additionalProperties": false
    },
    "strict": {
      "type": "boolean",
      "default": false
    }
  },
  "required": [
    "chain"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

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最近观测

已验证未记录版本2 个工具
已验证未记录版本2 个工具