What is the key difference between Shellward and Rail Score?

Shellward belongs to the Security category with local stdio execution, while Rail Score belongs to the Security category with local stdio execution.

How do I install Shellward or Rail Score in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Shellward and Rail Score free or paid?

Shellward operates under a Free / Open Source model (No auth required). Rail Score operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Shellward lists 6 tools with 1 views and 129 GitHub stars. Rail Score lists 9 tools with 0 views and 0 GitHub stars.

Can I use both Shellward and Rail Score together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

How do I install Shellward or Rail Score in Claude Desktop, Cursor, or Windsurf?

Both servers follow the standard Model Context Protocol configuration format. Simply copy the JSON block from the configuration section above and paste it into your AI client's mcpServers configuration object (for instance in claude_desktop_config.json or ~/.cursor/mcp.json ), then completely restart or refresh the application.

Are Shellward and Rail Score free to use, or do they require API keys?

Shellward is listed under a Free / Open Source model with No auth required . Rail Score operates under a Free / Open Source model with No auth required . If environment variables are required (such as API keys), be sure to define them under the env key in your MCP client's configuration file.

Can I run both Shellward and Rail Score at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both jnmetacode-shellward and rail-score as distinct keys inside the single mcpServers object in your configuration file. Your AI assistant will automatically select and call the appropriate tool from either server during chat sessions.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, Shellward has a Quality Score of 53 /100 ( Good ) with 1 views, 0 installs, and 129 GitHub stars. Rail Score holds a Quality Score of 49 /100 ( Fair ) with 0 views, 0 installs, and 0 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Shellward vs Rail Score

In-depth architectural comparison of the Shellward and Rail Score MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Shellward

Security · Local stdio

Quality: 53/100 (Good) | Auth: No auth required

Rail Score

Security · Local stdio

Quality: 49/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Shellward if you need specialized Security tools running via a local process. Choose Rail Score if your workspace requires Security integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Shellward when:

You need dedicated capabilities in the Security domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: 8-layer defense including prompt guard, input auditor, tool blocker, output scanner, Data loss prevention with full data return and outbound send blocking, PII detection for Chinese and international identifiers with low false positives.

Explore Shellward Details

Choose Rail Score when:

You need dedicated capabilities in the Security domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: rail_evaluate, rail_check_compliance, rail_detect_injection.

Explore Rail Score Details

Feature & Specification Comparison

Specification	Shellward jnMetaCode Security	R Rail Score Security
Summary	AI Agent Security Middleware & MCP Server with 8-layer defense including prompt injection detection, DLP data flow tracking, command blocking, and PII detection. 7 MCP tools, zero dependencies.	Responsible-AI guardrails for agents: scoring, prompt-injection & PII detection, DPDP compliance.
Category & Scope	Security

Tools & Capabilities Breakdown

Shellward Tools (6)

8-layer defense including prompt guard, input auditor, tool blocker, output scanner

Data loss prevention with full data return and outbound send blocking

PII detection for Chinese and international identifiers with low false positives

Injection detection with 37 rules covering Chinese and English

MCP tool-poisoning and rug-pull detection

Zero dependencies and zero configuration required

Rail Score Tools (9)

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Shellward Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "jnmetacode-shellward": {
      "command": "npx",
      "args": [
        "-y",
        "shellward"
      ]
    }
  }
}

Rail Score Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "rail-score": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/inspector"
      ]
    }
  }
}

Frequently Asked Questions

Shellward is categorized under Security and uses a local stdio subprocess. In contrast, Rail Score belongs to Security using local stdio subprocess. Select Shellward when you need capabilities focused on security and Rail Score when you require tools for security.

More alternatives to Shellward More alternatives to Rail Score Security category hub