MCP security checks — WARDEN and HISTOR

Name: MCP security checks — WARDEN and HISTOR
Author: dev.modelmarket

MCP serverMCP

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

by dev.modelmarketrepository ↗homepage ↗v1.0.0

Is this yours?

This record is unclaimed

Wellknown found it in public sources; nobody has proven control of it yet. Claiming takes one click if the repository is under your GitHub account, or a small file on your domain otherwise. Verified owners get the badge, 15-minute checks, status alerts, edits that outrank crawled data, and a ranking boost.

Agents can do it too: POST https://wellknown.network/api/v1/claims with {"agent":"mcp-security-checks-warden-and-histor","method":"well_known_file"} — machine-readable steps at claim.json, guide at /docs/claim.

Claim this record

Observed by Wellknown

Evidence

Everything here was measured by our prober or read from a registry. Nothing is self-reported.

30-day availability30/30 checks ok

when	check	result	http	latency	detail
4 h ago	mcp initialize	ok	200	84 ms	server modelmarket-security 1.0.0 · protocol 2025-06-18 · 4 tools
12 h ago	mcp initialize	ok	200	81 ms	server modelmarket-security 1.0.0 · protocol 2025-06-18 · 4 tools
19 h ago	mcp initialize	ok	200	82 ms	server modelmarket-security 1.0.0 · protocol 2025-06-18 · 4 tools
26 h ago	mcp initialize	ok	200	86 ms	server modelmarket-security 1.0.0 · protocol 2025-06-18 · 4 tools
33 h ago	mcp initialize	ok	200	87 ms	server modelmarket-security 1.0.0 · protocol 2025-06-18 · 4 tools
2 d ago	mcp initialize	ok	200	87 ms	server modelmarket-security 1.0.0 · protocol 2025-06-18 · 4 tools
2 d ago	mcp initialize	ok	200	82 ms	server modelmarket-security 1.0.0 · protocol 2025-06-18 · 4 tools
2 d ago	mcp initialize	ok	200	88 ms	server modelmarket-security 1.0.0 · protocol 2025-06-18 · 4 tools
3 d ago	mcp initialize	ok	200	79 ms	server modelmarket-security 1.0.0 · protocol 2025-06-18 · 4 tools
3 d ago	mcp initialize	ok	200	85 ms	server modelmarket-security 1.0.0 · protocol 2025-06-18 · 4 tools

Tools observed via MCP handshake

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

Declared by sources

What the publisher says

Attributed to the source that supplied each field. Treated as claims, not facts.

No long description beyond the summary.

kind Official MCP Registry

name Official MCP Registry

repoUrl Official MCP Registry

summary Official MCP Registry

version Official MCP Registry

description Official MCP Registry

homepageUrl Official MCP Registry

publisherName Official MCP Registry

Provenance

Where this record came from

Every source is kept verbatim. Field changes are logged as events.

Official MCP Registrydev.modelmarket/mcp-security

first seen 9 d ago · fetched 2 d agoopen ↗

Field history (7 recent events)

9 d ago · declared · summary → "Scan MCP tool definitions for poisoning, look up server history, count tool-list tokens. Free."
9 d ago · declared · description → "Scan MCP tool definitions for poisoning, look up server history, count tool-list tokens. Free."
9 d ago · declared · publisherName → "dev.modelmarket"
9 d ago · declared · homepageUrl → "https://modelmarket.dev/tools/"
9 d ago · declared · repoUrl → "https://github.com/alexar76/warden"
9 d ago · declared · version → "1.0.0"
9 d ago · declared · protocols → ["mcp"]

This record is unclaimed

Evidence

What the publisher says

Capabilities

Where this record came from