io.github.MCPShield-Dev/mcpshield

mcpshield

Security scanner for MCP servers - detects tool poisoning and injection

GitHub npm

No known CVEs

No license

Maintained

Last commit 77d ago

Works with most clients

Transport: http

0 tools

Grade F

Edit this pageView history

Security

Step 1

Install in your client

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

Supported in Claude Desktophttp · Node 18+

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

{
  "mcpServers": {
    "io-github-mcpshield-dev-mcpshield": {
      "args": [
        "-y",
        "mcpshield"
      ],
      "command": "npx"
    }
  }
}

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

Read me

What io.github.MCPShield-Dev/mcpshield does

Scan MCP servers and GitHub repositories for security vulnerabilities.

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.

npx -y 'mcpshield' 2>&1 | head -1 && echo "✓ Server started successfully"

After testing, let us know if it worked:

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Scored, not listed

Why this score

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

Score breakdown

49/100across 5 weighted dimensions

How we score →

0255075100

−51

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked mcpshield against OSV.dev.

Community

Reviews

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Have you used this server?

Share your experience — it helps other developers decide.

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

Frequently Asked Questions

Is io.github.MCPShield-Dev/mcpshield safe to use?: io.github.MCPShield-Dev/mcpshield 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.
How do I install io.github.MCPShield-Dev/mcpshield?: io.github.MCPShield-Dev/mcpshield 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 AI clients work with io.github.MCPShield-Dev/mcpshield?: io.github.MCPShield-Dev/mcpshield is compatible with claude-desktop, cursor, claude-code. It uses http transport.
Is io.github.MCPShield-Dev/mcpshield actively maintained?: io.github.MCPShield-Dev/mcpshield is recently maintained — last commit was 77 days ago.

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Community

Discussion

Start a conversation

Ask a question, share a tip, or report an issue.

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

Usage

# Scan an HTTP MCP server mcpshield scan --url https://mcp-server.example.com/mcp # Scan a GitHub repository mcpshield scan --github https://github.com/user/repo # JSON output (for CI/CD) mcpshield scan --url https://mcp-server.example.com/mcp --json # Filter by severity mcpshield scan --url https://mcp-server.example.com/mcp --severity high

Frequently Asked Questions

Is io.github.MCPShield-Dev/mcpshield safe to use?

io.github.MCPShield-Dev/mcpshield 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.

How do I install io.github.MCPShield-Dev/mcpshield?

io.github.MCPShield-Dev/mcpshield 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 AI clients work with io.github.MCPShield-Dev/mcpshield?

io.github.MCPShield-Dev/mcpshield is compatible with claude-desktop, cursor, claude-code. It uses http transport.

Is io.github.MCPShield-Dev/mcpshield actively maintained?

io.github.MCPShield-Dev/mcpshield is recently maintained — last commit was 77 days ago.

MCPShield CLI

Scan MCP servers and GitHub repositories for security vulnerabilities.

Install

npm install -g mcpshield

Setup

Get a free API key at mcpshield.co/settings, then:

mcpshield auth mcp_sk_your_key_here

Usage

# Scan an HTTP MCP server
mcpshield scan --url https://mcp-server.example.com/mcp

# Scan a GitHub repository
mcpshield scan --github https://github.com/user/repo

# JSON output (for CI/CD)
mcpshield scan --url https://mcp-server.example.com/mcp --json

# Filter by severity
mcpshield scan --url https://mcp-server.example.com/mcp --severity high

Exit Codes

0 — Scan completed, no critical findings
1 — Error (invalid key, rate limit, scan failure)
2 — Scan completed with critical findings

Environment Variables

MCPSHIELD_API_KEY — API key (alternative to mcpshield auth)
MCPSHIELD_API_URL — Custom API endpoint (for self-hosted)

License

MIT