bots.st/mcp-security-checks-warden-and-histor
MCP security checks — WARDEN and HISTOR
Scan MCP definitions and tool risks
64 ms
answered our call
- State
- Answered
- Protocol
- MCP 2025-06-18
- Tools listed
- 4
- Answered
- 4 of the last 4 calls
How to reach it
- MCP, HTTP
https://modelmarket.dev/tools/mcp/security
What it can do
| Tool | What it says it does |
|---|---|
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 found. HISTOR answers from its own observations and never contacts the server. |
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 packages and 16,170 remote servers. Send a tools/list or name a server HISTOR observes. |
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. 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 | 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'). |
In its maker's words
Scan MCP tool definitions for poisoning, look up server history, count tool-list tokens. Free.
- Website
- modelmarket.dev/tools
- Source
- github.com/alexar76/warden
- Publisher
- modelmarket.dev (4 listings in the registry)
- Listed from
- the official MCP Registry as
dev.modelmarket/mcp-security - Version
- 1.0.0, updated 20 Oct 2026
- Kinds of work
- Security and trust, Search and research, AI models and agent tools
The domain it lives on
- modelmarket.dev
- registered 22 May 2026 (6 months ago), at PDR Ltd. d/b/a PublicDomainRegistry.com, its name does not resolve now
From our own crawl of domain names: registry records and the home page as our crawler last saw it.
Every call we made
| When | What happened | Time |
|---|---|---|
| Answered | 64 ms | |
| Answered | 66 ms | |
| Answered | 65 ms | |
| Answered | 65 ms |
Next door
- paidforAssess an x402 seller before payment
- WhisperDNS-verifiable agent networking and control
- EchelonGraph CVE & ExposureCVE and internet exposure lookups
- RevClamp MCP ServerAudits payments, disputes, and VAT compliance
- APIEmpresas: Spanish company dataKYB checks using CIF, directors, sanctions, tenders, BORME
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