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Nothing on it is marked destructive, but we can't show that an anonymous caller can only read: full credit needs the server to list at least one tool and every tool to be verifiably read-only. We use a best-effort check of tool names and descriptions to tell read-only tools from tools that change things, so some genuinely read-only tools may not get full credit. Names that start with a read verb (get, list, read, search and similar) and accurate readOnlyHint annotations help. Meet that to earn full credit, or require authorisation.","HTTPS is enforced; there's no plaintext access path.","The HSTS (Strict-Transport-Security) header is present.","DNSSEC check failed: this domain isn't protected by DNSSEC."],"codes":[{"code":"tls.valid","args":{}},{"code":"auth.none_no_destructive","args":{}},{"code":"https.enforced","args":{}},{"code":"headers.hsts_present","args":{}},{"code":"dnssec.absent","args":{}}]},{"name":"Transport & Reachability","score":100,"verdict":"pass","reasons":["Verified streamable-http transport via a live MCP handshake."],"codes":[{"code":"transport.verified","args":{"transport":"streamable-http"}}]},{"name":"Schema Quality & AI Usability","score":75,"verdict":"fail","reasons":["AI-judged instruction clarity (excellent).","Context-footprint check failed: tool/resource definitions use about 243 tokens (~243/item across 1 items; 1 tools + 0 resources), over budget; trim descriptions and params.","Usage-examples check failed: none of the tools include examples."],"codes":[{"code":"schema.ai_quality","args":{"band":"excellent"}},{"code":"schema.footprint_heavy","args":{"avg":"243","items":"1","tools":"1","tokens":"243","resources":"0"}},{"code":"schema.examples_absent","args":{}}]},{"name":"Stability & Change Management","score":20,"verdict":"partial","reasons":["Stability observed for 6 of 30 days with no destabilising changes; credit accrues until the full window elapses."],"codes":[{"code":"stability.building_history","args":{"days":"6"}}]},{"name":"Tool Coverage","score":100,"verdict":"pass","reasons":["100% of tools have a non-trivial description (not blank, and not just the tool's name).","100% of tool parameters carry a description."],"codes":[{"code":"toolquality.descriptions","args":{"pct":"100"}},{"code":"toolquality.param_docs","args":{"pct":"100"}}]},{"name":"Tool Safety","score":100,"verdict":"pass","reasons":["No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.","We read all 1 captured tool definition(s), and no name or description among them implies an irreversible operation.","An AI judge read all 1 captured unit(s) of tool text and found none that tries to manipulate the model reading it."],"codes":[{"code":"toolsafety.injection_clean","args":{}},{"code":"toolsafety.destructive_none","args":{"tools":"1"}},{"code":"toolsafety.manipulation_clean","args":{"units":"1","judged":"1"}}]},{"name":"Capabilities","score":60,"verdict":"fail","reasons":["Spec-recency check failed: implements MCP spec 2025-06-18; the latest is 2026-07-28."],"codes":[{"code":"protocol.outdated","args":{"latest":"2026-07-28","version":"2025-06-18"}}]}],"inconclusive":[],"malware":[],"components":[{"slug":"mcp-v1-stock-vectors","type":"remote","identifier":"https://cymetica.com/mcp/v1/stock-vectors","withdrawn":false,"score":75,"current":true,"url":"https://verifymcp.io/servers/com-cymetica-tuatara-embed-stocks/mcp-v1-stock-vectors","markdownUrl":"https://verifymcp.io/servers/com-cymetica-tuatara-embed-stocks/mcp-v1-stock-vectors.md"}],"facts":[{"label":"Endpoint","value":"https://cymetica.com/mcp/v1/stock-vectors"},{"label":"Transports","value":"streamable-http"},{"label":"Auth","value":"none"},{"label":"Version","value":"1.0.0"}],"install":{"available":true,"bundleSha256":null},"tools":[{"name":"stock_vectors","title":"Stock Vectors","description":"Tuatara Embed Stocks: vector embeddings of listed stock symbols and of text in one space, built for the connections a sector label does not carry — which symbols an event, theme or headline moves, including companies it never names. 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