MCP server

MCP security checks — WARDEN and HISTOR

dev.modelmarket/mcp-security

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

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

Working at last checkVerified publisher: modelmarket.devAbout 720 tokens per request once connected4 tools

https://modelmarket.dev/tools/mcp/security

At a glance

Type: MCP server
Publisher: modelmarket.dev (verified by the MCP Registry)
Status: Working at last check
Tools: 4
Token cost: About 720 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

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

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.mcp-security]
url = "https://modelmarket.dev/tools/mcp/security"

Gemini CLI

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

Cursor

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

VS Code

{"servers":{"mcp-security":{"type":"http","url":"https://modelmarket.dev/tools/mcp/security"}}}

Antigravity

agy mcp add mcp-security https://modelmarket.dev/tools/mcp/security

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"mcp-security","server_url":"https://modelmarket.dev/tools/mcp/security","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"mcp-security","server_url":"https://modelmarket.dev/tools/mcp/security"}

histor_check ~140 tokens
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 found. HISTOR answers from its own observations and never contacts the server.
tool_list_cost ~160 tokens
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 packages and 16,170 remote servers. Send a tools/list or name a server HISTOR observes.
warden_scan ~178 tokens
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. Returns allow or block and each finding with its rule and severity. Quoted fragments of the scanned text are left out of the answer.
x402_check ~242 tokens
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 names the domain it was really made for (e.g. Base Sepolia's 'USDC' used on Base, where USDC is 'USD Coin').

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