{"$schema":"https://verifymcp.io/schemas/trust-report.json","schemaVersion":1,"license":{"name":"CC BY-NC 4.0","url":"https://creativecommons.org/licenses/by-nc/4.0/"},"generatedAt":"2026-11-06T12:35:21.738Z","url":"https://verifymcp.io/servers/com-priorstates-studio-apps/mcp-apps","markdownUrl":"https://verifymcp.io/servers/com-priorstates-studio-apps/mcp-apps.md","server":{"slug":"com-priorstates-studio-apps","name":"PriorStates Studio — free apps","registryName":"com.priorstates/studio-apps","description":"Find free ready-made PriorStates Studio apps for everyday needs: expenses, receipts, chores, RSVPs.","registryStatus":"active","deletedAt":null,"statusMessage":null,"liveness":"live","publisher":{"class":"unknown","claimed":false}},"component":{"slug":"mcp-apps","type":"remote","identifier":"https://priorstates.com/mcp/apps","withdrawn":false,"url":"https://verifymcp.io/servers/com-priorstates-studio-apps/mcp-apps","version":"1.0.0","transport":null,"scoredAt":"2026-11-06T03:19:56.877Z"},"score":{"total":79,"tier":"medium","status":"scored","weekDelta":4,"history":[{"date":"2026-11-06","total":79},{"date":"2026-11-05","total":78},{"date":"2026-11-04","total":78},{"date":"2026-11-03","total":77},{"date":"2026-11-02","total":77},{"date":"2026-11-01","total":76},{"date":"2026-10-31","total":76},{"date":"2026-10-30","total":75},{"date":"2026-10-29","total":75},{"date":"2026-10-28","total":74},{"date":"2026-10-27","total":74},{"date":"2026-10-26","total":74},{"date":"2026-10-25","total":73},{"date":"2026-10-24","total":73}]},"categories":[{"name":"Endpoint Security","score":74,"verdict":"fail","reasons":["The endpoint's TLS certificate is valid, in date, and uses a strong key.","No authorisation is required to call this server. 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.","HSTS check failed: the Strict-Transport-Security header is absent.","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_absent","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":83,"verdict":"fail","reasons":["100% of prompts and resources have a non-trivial description (not blank, and not just the item's name).","AI-judged instruction clarity (good).","Context-footprint check failed: tool/resource definitions use about 728 tokens (~121/item across 6 items; 4 tools + 2 resources), over budget; trim descriptions and params.","Usage-examples check failed: none of the tools include examples."],"codes":[{"code":"schema.descriptions","args":{"pct":"100"}},{"code":"schema.ai_quality","args":{"band":"good"}},{"code":"schema.footprint_heavy","args":{"avg":"121","items":"6","tools":"4","tokens":"728","resources":"2"}},{"code":"schema.examples_absent","args":{}}]},{"name":"Stability & Change Management","score":43,"verdict":"partial","reasons":["Stability observed for 13 of 30 days with no destabilising changes; credit accrues until the full window elapses."],"codes":[{"code":"stability.building_history","args":{"days":"13"}}]},{"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.","Structured output schemas are declared (100% of tools); any adoption earns full credit."],"codes":[{"code":"toolquality.descriptions","args":{"pct":"100"}},{"code":"toolquality.param_docs","args":{"pct":"100"}},{"code":"toolquality.output_present","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 4 captured tool definition(s), and no name or description among them implies an irreversible operation.","An AI judge read all 6 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":"4"}},{"code":"toolsafety.manipulation_clean","args":{"units":"6","judged":"6"}}]},{"name":"Capabilities","score":100,"verdict":"pass","reasons":["Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28."],"codes":[{"code":"protocol.supported","args":{"latest":"2026-07-28","version":"2025-11-25"}}]}],"inconclusive":[],"malware":[],"components":[{"slug":"mcp-apps","type":"remote","identifier":"https://priorstates.com/mcp/apps","withdrawn":false,"score":79,"current":true,"url":"https://verifymcp.io/servers/com-priorstates-studio-apps/mcp-apps","markdownUrl":"https://verifymcp.io/servers/com-priorstates-studio-apps/mcp-apps.md"}],"facts":[{"label":"Endpoint","value":"https://priorstates.com/mcp/apps"},{"label":"Transports","value":"streamable-http"},{"label":"Auth","value":"none"},{"label":"Version","value":"1.0.0"}],"install":{"available":true,"bundleSha256":null},"tools":[{"name":"find_apps","title":"Find a free app for a need","description":"Find free ready-made PriorStates Studio Gallery apps for a need described in plain words, in English, Chinese, Spanish or Portuguese (e.g. 'split a dinner bill', 'keep my receipts for taxes', '分账', 'recibos'). Returns the best matches with what each does, a page link, a screenshot and how to open it. If nothing fits, Studio can make a new app from the description.","inputs":[{"name":"language","type":"string","required":false,"description":"Language for the reply's app text and links: en, zh (Simplified Chinese), zh-hant (Traditional Chinese), es, pt. Default en (zh when the need is written in Chinese)."},{"name":"limit","type":"integer","required":false,"description":"How many apps at most (1-10, default 3)."},{"name":"need","type":"string","required":true,"description":"What the person wants to do, in their own words."}],"outputs":[{"name":"apps","type":"array","required":true,"description":null},{"name":"confident","type":"boolean","required":true,"description":null},{"name":"language","type":"string","required":true,"description":null},{"name":"make_new","type":"object","required":false,"description":null},{"name":"need","type":"string","required":true,"description":null}],"hasOutputSchema":true,"hasExamples":false,"tokenEstimate":179},{"name":"get_app","title":"Details of one Gallery app","description":"Full details of one PriorStates Studio Gallery app by id (from find_apps or list_apps): what it does, what it needs (permissions in plain words), its page, screenshot and how to open it.","inputs":[{"name":"id","type":"string","required":true,"description":"App id, e.g. expense-split."},{"name":"language","type":"string","required":false,"description":"Language for the reply's app text and links: en, zh (Simplified Chinese), zh-hant (Traditional Chinese), es, pt. Default en (zh when the need is written in Chinese)."}],"outputs":[{"name":"app","type":"object","required":true,"description":null},{"name":"how_to_get","type":"string","required":false,"description":null},{"name":"needs","type":"array","required":true,"description":null}],"hasOutputSchema":true,"hasExamples":false,"tokenEstimate":113},{"name":"list_apps","title":"All free Gallery apps","description":"Every free app in the PriorStates Studio Gallery, by group (money, side business, home, health, learning, groups, work). Optional group filter by id or name.","inputs":[{"name":"group","type":"string","required":false,"description":"Group id (money, business, home, health, learn, groups, work) or its name."},{"name":"language","type":"string","required":false,"description":"Language for the reply's app text and links: en, zh (Simplified Chinese), zh-hant (Traditional Chinese), es, pt. Default en (zh when the need is written in Chinese)."}],"outputs":[{"name":"groups","type":"array","required":true,"description":null},{"name":"total","type":"integer","required":true,"description":null}],"hasOutputSchema":true,"hasExamples":false,"tokenEstimate":118},{"name":"get_studio","title":"What PriorStates Studio is and where to get it","description":"What PriorStates Studio is (makes small apps by asking; a Gallery of free apps), the price, and the links for every platform: web, Android (Google Play and APK), iPhone/iPad, macOS/Windows/Linux, Microsoft Store.","inputs":[{"name":"language","type":"string","required":false,"description":"Language for the reply's app text and links: en, zh (Simplified Chinese), zh-hant (Traditional Chinese), es, pt. Default en (zh when the need is written in Chinese)."}],"outputs":[{"name":"languages","type":"array","required":false,"description":null},{"name":"name","type":"string","required":true,"description":null},{"name":"platforms","type":"array","required":true,"description":null},{"name":"price","type":"string","required":true,"description":null},{"name":"what","type":"string","required":true,"description":null}],"hasOutputSchema":true,"hasExamples":false,"tokenEstimate":107}],"toolsTruncatedAtCapture":false,"diagnostics":{"capturedAt":"2026-11-06T03:19:56.000Z","track":"remote","endpoint":"https://priorstates.com/mcp/apps","declaredUrl":null,"truncated":false,"tls":{"outcome":"valid","label":"Valid","version":"TLS 1.3","cipherSuite":"TLS_AES_128_GCM_SHA256","chainError":null,"certificates":[{"subject":"CN=priorstates.com","issuer":"CN=YE2,O=Let's 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signed","name":"priorstates.com.","steps":[{"zone":".","outcome":"verified","label":"Verified"},{"zone":"com.","outcome":"verified","label":"Verified"},{"zone":"priorstates.com.","outcome":"insecure_proven","label":"Unsigned (proven)"}]},"auth":{"outcome":"none","label":"No authorisation required","gate":null,"gateLabel":null,"status":200,"authorizationServers":[]},"httpsRedirect":{"outcome":"https_enforced","label":"HTTPS enforced","status":301},"transports":[{"transport":"streamable-http","outcome":"verified","label":"Verified","status":200,"followed":false}],"provenance":null,"installScripts":[],"installScriptsTotal":null,"vulnerabilities":[],"vulnerabilitiesTotal":null,"dependencies":null},"mismatches":[],"changelog":{"trackingSince":"2026-10-24","recent":[{"id":"chg_01a1aede-c2e0-7857-9b92-9664c803e9ad","kind":"score.rubric_changed","summary":"We updated how we score, so this day's move reflects our rubric, not a change to the 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