mcp-shield

Trust verification for MCP servers. Check scores, scan for security issues, search 4,200+ servers.

Should I use this

Quality & Safety

A
Description quality
100%
Schema completeness
80%
Naming quality
95%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~385Tokens (tool definitions)
~702 BTypical response size
Minimal attention impact (0.30% of 128k context)

This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.

Install

One-Click Install

Add this to your `claude_desktop_config.json` file:

{
  "mcpServers": {
    "mcp-shield": {
      "url": "https://mcp.craftedtrust.com/api/v1/mcp"
    }
  }
}

Remote endpoints

https://mcp.craftedtrust.com/api/v1/mcpstreamable-http

What it can do

Tool inventory

Tools (4)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
🟢check_trust(server_url, npm_name)

Look up the trust score for any MCP server by URL or npm package name. Returns score, grade, findings summary, and certification status.

Input Schema

{
  "type": "object",
  "properties": {
    "server_url": {
      "type": "string",
      "description": "The MCP server URL to look up"
    },
    "npm_name": {
      "type": "string",
      "description": "The npm package name to look up"
    }
  }
}
⚪scan_server(server_url)

Trigger a live trust scan of an HTTP or HTTPS MCP server. Returns trust score, grade, and security findings.

Input Schema

{
  "type": "object",
  "properties": {
    "server_url": {
      "type": "string",
      "description": "The HTTP/HTTPS MCP server URL to scan"
    }
  },
  "required": [
    "server_url"
  ]
}
🟢search_registry(query, grade, scan_type, certified, limit)

Search the CraftedTrust registry overlay for indexed MCP packages and servers. Filter by grade, certification, or scan type.

Input Schema

{
  "type": "object",
  "properties": {
    "query": {
      "type": "string",
      "description": "Search term (name, URL, publisher)"
    },
    "grade": {
      "type": "string",
      "enum": [
        "A",
        "B",
        "C",
        "D",
        "F"
      ],
      "description": "Filter by letter grade. Default: show all"
    },
    "scan_type": {
      "type": "string",
      "enum": [
        "live",
        "static",
        "combined",
        "all"
      ],
      "description": "Filter by scan type. Default: all"
    },
    "certified": {
      "type": "string",
      "enum": [
        "true",
        "standard",
        "premium"
      ],
      "description": "Filter to certified servers only. Default: show all"
    },
    "limit": {
      "type": "number",
      "description": "Max results (1-50). Default: 10"
    }
  },
  "required": [
    "query"
  ]
}
🟢get_stats

Get CraftedTrust ecosystem statistics: total indexed servers, live verified count, average trust scores, flagged count, and more.

Input Schema

{
  "type": "object",
  "properties": {}
}

Community

Rate this Server

Evidence

Recent observations

verifiedversion not recorded4 tools
verifiedversion not recorded4 tools