Mcpshield

Security scanner for MCP servers - detects tool poisoning and injection

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to Cursor Add to VS Code

Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Remote HTTP

Choose your client or environment

Target File:~/Library/Application Support/Claude/claude_desktop_config.json

claude_desktop_config.json

{
  "mcpServers": {
    "mcpshield": {
      "url": "https://mcp-server.example.com/mcp"
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Documentation Overview

MCPShield CLI

Scan MCP servers and GitHub repositories for security vulnerabilities.

Install

Terminal

npm install -g mcpshield

Setup

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

bash

mcpshield auth mcp_sk_your_key_here

Usage

bash

# 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

Read the full README →View source on GitHub →

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Frequently Asked Questions about Mcpshield

mcpshield is a hosted MCP server. Add it as a remote server in your client's config: "mcpServers": { "mcpshield": { "url": "https://mcp-server.example.com/mcp" } }

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Technical Specs & Signals

CategorySecurity

4/9 checks healthy over the last 45d

35Quality signal: Fair · 35/100How this signal is calculated ▾

Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership10/20

Documentation & tools15/30

Adoption & activity1/15

Community engagement0/10

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More in 🔒 Security →Best MCP servers for Security →Alternatives to Mcpshield →Install in Claude Desktop Install in Cursor Install in VS Code Setup guides for all 13 MCP clients

Documentation Overview

MCPShield CLI

Scan MCP servers and GitHub repositories for security vulnerabilities.

Install

Terminal

npm install -g mcpshield

Setup

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

bash

mcpshield auth mcp_sk_your_key_here

Usage

bash

# 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