GuardianShield MCP Server

guardianshield

AI security layer: code scanning, PII detection, prompt injection, secrets, CVEs

3 27 tools GitHub PyPI

No known CVEs

Apache-2.0 license

Maintained

Last commit 177d ago

Works with most clients

Transport: stdio, http

27 tools · ~880 tok

Grade B · 0.4% of 200K ctx

MCPpedia last refreshed this data 1d ago

Edit this pageView history

GuardianShield MCP Server is an MCP server that AI security layer: code scanning, PII detection, prompt injection, secrets, CVEs. Its tool list has not been published yet over stdio and http, requires no API key, and scores 75/100 on MCPpedia's security, maintenance and efficiency rubric.

Security

Step 1

Install in your client

Config is the same across clients — only the file and path differ.

Supported in Claude Desktopstdio, http · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "io-github-sparkvibe-io-guardianshield": {
      "args": [
        "guardianshield"
      ],
      "command": "uvx"
    }
  }
}

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[![MCPpedia Score](https://mcppedia.org/api/badge/io-github-sparkvibe-io-guardianshield)](https://mcppedia.org/s/io-github-sparkvibe-io-guardianshield)

Read me

What GuardianShield MCP Server does

Universal AI security layer — an open-source MCP server for code scanning, PII detection, prompt injection defense, secret detection, dependency auditing, and audit logging.

Test This Server

Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.

uvx 'guardianshield' 2>&1 | head -1 && echo "✓ Server started successfully"

After testing, let us know if it worked:

Scored, not listed

Why this score

Five weighted categories — click any category to see the underlying evidence.

Score breakdown

75/100across 5 weighted dimensions

How we score →

0255075100

−25

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked guardianshield against OSV.dev.

Inventory

Tools (27)

Click any tool to inspect its schema.

~880 tokens total

Community

Reviews

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How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is GuardianShield MCP Server safe to use?: GuardianShield MCP Server has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under Apache-2.0.
How do I install GuardianShield MCP Server?: GuardianShield MCP Server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can GuardianShield MCP Server do?: GuardianShield MCP Server provides 27 tools: scan_code, scan_file, scan_directory, scan_input, scan_output and 22 more. See the full tools list on the server page for descriptions and parameters.
What AI clients work with GuardianShield MCP Server?: GuardianShield MCP Server is compatible with claude-desktop, cursor, claude-code. It uses stdio and http transport.
Is GuardianShield MCP Server actively maintained?: GuardianShield MCP Server is less actively maintained — last commit was 177 days ago. It has 3 GitHub stars.

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MCP Security Weekly

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Community

Discussion

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Has anyone used this with Cursor?How do you handle auth?Any alternatives?

Frequently Asked Questions

Is GuardianShield MCP Server safe to use?

GuardianShield MCP Server has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under Apache-2.0.

How do I install GuardianShield MCP Server?

GuardianShield MCP Server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.

What can GuardianShield MCP Server do?

GuardianShield MCP Server provides 27 tools: scan_code, scan_file, scan_directory, scan_input, scan_output and 22 more. See the full tools list on the server page for descriptions and parameters.

What AI clients work with GuardianShield MCP Server?

GuardianShield MCP Server is compatible with claude-desktop, cursor, claude-code. It uses stdio and http transport.

Is GuardianShield MCP Server actively maintained?

GuardianShield MCP Server is less actively maintained — last commit was 177 days ago. It has 3 GitHub stars.