{"id":"dev.modelmarket/mcp-security","name":"MCP security checks — WARDEN and HISTOR","description":"Scan MCP tool definitions for poisoning, look up server history, count tool-list tokens. Free.","connect":{"transport":"streamable-http","url":"https://modelmarket.dev/tools/mcp/security"},"website":"https://modelmarket.dev/tools/","version":"1.0.0","source":"official MCP registry (registry.modelcontextprotocol.io)","reliability":{"verdict":"reliable","attempts":8,"successes":8,"successRate":1,"consecutiveSuccesses":8,"lastStatus":"ok","lastCheckedAt":"2026-10-23T16:05:58.197Z","lastLatencyMs":10278,"toolsAdvertised":4,"method":"MCP initialize + tools/list from Faceabot, identified as FaceabotProbe/1.0 plus, when the server declares a read-only tool (readOnlyHint), one call of that tool with a neutral sample input to check it really returns a result. Servers on the 2026-07-28 MCP revision (no initialize handshake) get the same checks in that revision","work":{"verdict":"not_working","tool":"tool_list_cost","attempts":8,"successes":0,"successRate":0,"consecutiveSuccesses":0,"lastStatus":"tool_error","lastMs":4404,"sampleInput":"{}","method":"Faceabot calls one read-only tool (annotations.readOnlyHint) with a neutral sample input and checks that it returns a non-empty result without error."}},"details":"https://faceabot.com/api/catalog?id=dev.modelmarket%2Fmcp-security","page":"https://faceabot.com/tools/dev.modelmarket/mcp-security","badge":{"image":"https://faceabot.com/badge/dev.modelmarket/mcp-security.svg","markdown":"[![Measured by Faceabot](https://faceabot.com/badge/dev.modelmarket/mcp-security.svg)](https://faceabot.com/tools/dev.modelmarket/mcp-security)","note":"Live reliability badge the publisher of this server can show on its README or website."},"recentChecks":[{"at":"2026-10-23T16:05:58.197Z","ok":1,"status":"ok","ms":10278,"f_status":"tool_error"},{"at":"2026-10-23T05:45:44.308Z","ok":1,"status":"ok","ms":3874,"f_status":"payment_required"},{"at":"2026-10-22T18:55:49.571Z","ok":1,"status":"ok","ms":7399,"f_status":"tool_error"},{"at":"2026-10-22T07:40:50.402Z","ok":1,"status":"ok","ms":6252,"f_status":"tool_error"},{"at":"2026-10-21T20:50:44.620Z","ok":1,"status":"ok","ms":4317,"f_status":"tool_error"},{"at":"2026-10-21T09:20:48.398Z","ok":1,"status":"ok","ms":7534,"f_status":"tool_error"},{"at":"2026-10-20T22:20:54.246Z","ok":1,"status":"ok","ms":5846,"f_status":"tool_error"},{"at":"2026-10-20T10:35:43.269Z","ok":1,"status":"ok","ms":7019,"f_status":"tool_error"}],"trust":{"access":"no sign-in needed","tools":4,"declaredReadOnly":4,"declaredCanWrite":0,"declaredDestructive":0,"toolDefinitionsFingerprint":"0e0d828bdde6d4bb4d8cc5810afc73bf","toolDefinitionsLastChangedAt":null,"toolDefinitionChangesSinceFirstSeen":0,"firstSeenAt":"2026-10-20T10:35:43.457Z","protocol":"2025-06-18","warnings":[],"note":"Facts observed by Faceabot when it last read this server's tool list. 'Can write' counts tools not declared read-only (annotations are self-declared). A changed fingerprint means tool names, descriptions or schemas changed since Faceabot first saw them: re-check before trusting an earlier approval."}}