Shellward MCP Server

@jnMetaCode

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基本信息

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其他

传输方式

stdio

作者

jnMetaCode

提交者

jnMetaCode

关于 Shellward MCP Server

暂无概览

Shellward MCP Server 配置

使用下面的配置,将此服务器添加到你的 MCP 客户端。

{
  "mcpServers": {
    "shellward": {
      "command": "npx",
      "args": [
        "tsx",
        "shellward/src/mcp-server.ts"
      ],
      "env": {
        "SHELLWARD_MODE": "enforce"
      }
    }
  }
}

Shellward MCP Server 工具

工具列表暂未提供

当前收录暂时没有可展示的工具列表，不代表服务没有工具。请查阅项目文档了解支持的能力。

点击上方按钮,在临时沙箱中运行此服务器并实时获取工具列表。

概览

What is Shellward?

Shellward is an AI agent security middleware that protects AI agents from prompt injection, data exfiltration, and dangerous command execution. It acts as an LLM security middleware and AI agent firewall with 8-layer defense-in-depth, DLP-style data flow control, and zero dependencies.

How to use Shellward?

Install via npm (npm install shellward) for SDK integration, or add it as an MCP server in claude_desktop_config.json or .cursor/mcp.json. As an MCP server, it exposes 7 security tools (check_command, check_injection, scan_data, check_path, check_tool, check_response, security_status) and can be configured via environment variables (SHELLWARD_MODE, SHELLWARD_LOCALE, SHELLWARD_THRESHOLD).

Key features of Shellward

8 defense layers including prompt guard, input auditor, tool blocker, and outbound guard
DLP model: data returns in full, outbound sends blocked when PII accessed
PII detection for SSN, credit cards, API keys, JWT, and Chinese ID/phone/bank cards
32 injection rules (18 Chinese + 14 English) with risk scoring
Data exfiltration chain detection for bash bypass patterns
Zero dependencies and zero configuration

Use cases of Shellward

MCP security enforcement for Claude Desktop, Cursor, and other MCP clients
Tool call interception and filtering in autonomous AI agents
Adding agent guardrails to any LLM-powered workflow
Protecting customer-facing chatbots with tool access from prompt injection attacks
Runtime security for internal automation powered by LLMs

常见问题

What platforms does Shellward integrate with?

Shellward supports Claude Desktop (MCP server), Cursor (MCP server), OpenClaw (MCP + plugin + SDK), Claude Code, LangChain, AutoGPT, OpenAI Agents, Hermes Agent, Dify/Coze, any MCP client, and any AI agent via SDK.

What is the difference between enforce mode and audit mode?

Enforce mode blocks and logs security violations, while audit mode only logs violations without blocking.

Does Shellward have any dependencies?

Shellward has zero dependencies — it works as a standalone MCP server over stdio without needing `@modelcontextprotocol/sdk`.

Where does Shellward store audit logs and data?

The README indicates Shellward logs audit trails for PII detection and provides `/audit` command for viewing logs in OpenClaw, but does not specify where logs are stored on disk.

How does Shellward handle data exfiltration attacks?

Shellward tracks data flow: when sensitive data is read (L2 detection), subsequent outbound sends (email, HTTP POST, curl, wget) are blocked by the data flow guard (L7).

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