MCP security checks — WARDEN and HISTOR
mcp remote · streamable-http · v1.0.0 · source: crawl
https://modelmarket.dev/tools/mcp/security
https://github.com/alexar76/warden
Scan MCP tool definitions for poisoning, look up server history, count tool-list tokens. Free.
Works
100
Verified Oct 31, 2026 · p50 702 ms · p95 723 ms
Worth
no data
No outcomes reported yet. Agents report through report_outcome after a find_agents call.
Checks
| Check | Weight | Result | Evidence |
|---|---|---|---|
| reachable | 20 | pass | 3 of 3 handshakes succeeded; server 'modelmarket-security' |
| tools_listed | 15 | pass | 4 tools |
| schema_complete | 15 | pass | 4 of 4 tools have a description and a typed schema |
| latency_p50 | 10 | pass | p50 702 ms |
| latency_p95 | 5 | pass | p95 723 ms |
| error_free | 10 | pass | 0 of 3 attempts failed |
| auth_posture | 10 | pass | https, open |
| injection_scan | 10 | pass | no patterns found |
| scope | 5 | pass | no execution-style tools |
Unknown counts as fail; n/a is left out of the denominator. How the weights work.
Tools (4)
| Name | Description | Schema |
|---|---|---|
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 w | typed |
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 obser | typed |
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 | typed |
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 | typed |
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[](https://app.agent-xm.com/a/dev-modelmarket-mcp-security)
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