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Helixar Security

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

我該用這個嗎

品質與安全性

A
說明品質
100%
結構描述完整度
83%
命名品質
80%
汙染風險
100%
權限相符程度
100%
協定合規性
100%

根據工具定義與協定合規性的自動化分析。

上下文成本

~402Token（工具定義）
~1.6 KB典型回應大小
極小的注意力影響（128k 上下文的 0.31%）

這是每次將伺服器的工具載入模型上下文時所消耗的約略 token 數量。數量越高，可用於其他工作的注意力就越少。

安裝

一鍵安裝

將以下內容加入你的 `claude_desktop_config.json` 檔案：

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

遠端端點

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

它能做什麼

工具清單

工具（2）

🟢 唯讀🟡 寫入🔴 刪除⚪ 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.

輸入結構描述

{
  "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.

輸入結構描述

{
  "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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