{"attribution":"MCP Queen — the evidence layer for MCP (https://mcpqueen.com)","license":"CC BY 4.0 — free to use with attribution and a link to mcpqueen.com","methodology":"https://mcpqueen.com/registry#methodology","docs":"https://mcpqueen.com/api","generated_at":"2026-10-26T22:49:53.712Z","server":{"name":"org.marvinlabs/vram-fit","title":"MarvinLabs vram_fit","description":"Will a QLoRA fine-tune of gemma-3-4b-it fit your GPU? Verdicts from measured AMD and NVIDIA probes.","version":"0.1.0","remote_url":"https://marvinlabs.org/mcp","repo_url":null},"operational_grade":{"grade":"A","score":97,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":145,"tool_count":3,"probed_at":"2026-10-26T18:31:05.960Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 145ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo vram_fit@0.1.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 3 tools e.g. \"vram_fit\"; 3/3 described, 3/3 fully-typed schemas, median description 164 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 145ms"},{"criterion":"provenance","points":12,"max":15,"evidence":"description present; no repository URL; version 0.1.0; namespace org.marvinlabs matches endpoint/repo"}],"protocol_access":"open"},"field_semantics":{"auth_state":"Deprecated name retained for compatibility. It means protocol handshake/discovery access only, not tool-level data entitlement.","protocol_access":"Preferred name for auth_state."},"audit_state":"observations_published","observations":[{"dimension":"security","metric":"authentication_boundary","status":"observed","value_text":"open","evidence":"Live protocol probe observed auth_state=open. This describes discovery/access behavior; it is not by itself a vulnerability finding.","source_type":"live_probe","sample_size":null,"observed_at":"2026-10-26T18:31:05.960Z","methodology_version":"trust-v1"}],"response_benchmarks":[],"reviewed_field_reports":[],"interpretation":"Dimensions are independent; missing evidence is not a pass; field reports are qualitative, moderated and never votes."}