dev.modelmarket/mcp-security

up checked 2026-11-11T04:38:48.433Z

Unclaimed · Unverified

Publisher-provided title

MCP security checks — WARDEN and HISTOR

Publisher-provided description

Scan MCP tool definitions for poisoning, look up server history, count tool-list tokens. Free.

Summary by lookupd

Scans MCP tool definitions for poisoning, checks server tool-set history, measures token cost of tool lists, and verifies x402 payments.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http security https://modelmarket.dev/tools/mcp/security

Codex, remote (streamable-http)

codex mcp add security --url https://modelmarket.dev/tools/mcp/security

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "security": {
      "url": "https://modelmarket.dev/tools/mcp/security"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Publisher-provided text

warden_scan Scan an MCP server's tools/list with WARDEN, the open-source MCP firewall: static rules and a threat list over every name, description, schema and annotation. R
histor_check Look up an MCP server in HISTOR, a public append-only log of MCP tool sets: when its tool set was first pinned, how often it changed, and what the pattern scan
tool_list_cost How many tokens an MCP server's tool list adds to every model request, what that costs per 1,000 requests, the heaviest tools, and where it sits among 18,204 pa
x402_check Check a signed x402 USDC payment before submitting it: recovers the EIP-712 signer, runs USDC's own checks and the seller's terms, and when the signature fails

Shows this live status and links here; updates hourly.

[![lookupd status](https://lookupd.com/badge/dev.modelmarket/mcp-security.svg)](https://lookupd.com/servers/dev.modelmarket/mcp-security)