{"$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":"2026-11-05T17:24:12.367Z","url":"https://verifymcp.io/servers/com-partanswers-filter-lookup/partanswers","markdownUrl":"https://verifymcp.io/servers/com-partanswers-filter-lookup/partanswers.md","server":{"slug":"com-partanswers-filter-lookup","name":"PartAnswers Fridge Water Filter Lookup","registryName":"com.partanswers/filter-lookup","description":"Which water filter fits a fridge model, and how replacements compare on NSF and IAPMO listings.","registryStatus":"active","deletedAt":null,"statusMessage":null,"liveness":"live","publisher":{"class":"unknown","claimed":false}},"component":{"slug":"partanswers","type":"remote","identifier":"https://partanswers.com/mcp","withdrawn":false,"url":"https://verifymcp.io/servers/com-partanswers-filter-lookup/partanswers","version":"1.0.0","transport":null,"scoredAt":"2026-11-05T00:14:58.093Z"},"score":{"total":76,"tier":"medium","status":"scored","weekDelta":3,"history":[{"date":"2026-11-05","total":76},{"date":"2026-11-04","total":76},{"date":"2026-11-03","total":75},{"date":"2026-11-02","total":75},{"date":"2026-11-01","total":74},{"date":"2026-10-31","total":74},{"date":"2026-10-30","total":73},{"date":"2026-10-29","total":73},{"date":"2026-10-28","total":72}]},"categories":[{"name":"Endpoint Security","score":80,"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.","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":72,"verdict":"fail","reasons":["AI-judged instruction clarity (good).","Context-footprint check failed: tool/resource definitions use about 559 tokens (~139/item across 4 items; 4 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":"good"}},{"code":"schema.footprint_heavy","args":{"avg":"139","items":"4","tools":"4","tokens":"559","resources":"0"}},{"code":"schema.examples_absent","args":{}}]},{"name":"Stability & Change Management","score":27,"verdict":"partial","reasons":["Stability observed for 8 of 30 days with no destabilising changes; credit accrues until the full window elapses."],"codes":[{"code":"stability.building_history","args":{"days":"8"}}]},{"name":"Tool Coverage","score":93,"verdict":"partial","reasons":["100% of tools have a non-trivial description (not blank, and not just the tool's name).","80% of tool parameters carry a description."],"codes":[{"code":"toolquality.descriptions","args":{"pct":"100"}},{"code":"toolquality.param_docs","args":{"pct":"80"}}]},{"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 5 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":"5","judged":"5"}}]},{"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":"partanswers","type":"remote","identifier":"https://partanswers.com/mcp","withdrawn":false,"score":76,"current":true,"url":"https://verifymcp.io/servers/com-partanswers-filter-lookup/partanswers","markdownUrl":"https://verifymcp.io/servers/com-partanswers-filter-lookup/partanswers.md"}],"facts":[{"label":"Endpoint","value":"https://partanswers.com/mcp"},{"label":"Transports","value":"streamable-http"},{"label":"Auth","value":"none"},{"label":"Version","value":"1.0.0"}],"install":{"available":true,"bundleSha256":null},"tools":[{"name":"find_filter_for_model","title":"Find the water filter for a refrigerator model","description":"Given a refrigerator model number (for example RF28R7351SR or WRS325SDHZ00), return the genuine water filter it takes (fit from the appliance maker page, with source URL and read date) and how replacement filters compare on public NSF, IAPMO R&T and WQA certification listings by exact model. Includes a verdict and the PartAnswers page URL to cite.","inputs":[{"name":"model_number","type":"string","required":true,"description":"Refrigerator model number from the label inside the fridge"}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":106},{"name":"compare_filter_options","title":"Compare genuine vs replacement filters","description":"Given a genuine refrigerator filter part number (HAF-QIN, DA29-00020B, EDR1RXD1, LT1000P, LT700P, EPTWFU01, XWFE, EDR4RXD1 where published), list the genuine filter and every replacement sold under its number with the certification standards each is listed to (NSF/ANSI 42, 53, 401), lead claim, listing links and the verdict.","inputs":[{"name":"oem_part","type":"string","required":true,"description":"Genuine filter part number"}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":119},{"name":"find_part_for_model","title":"Find genuine appliance parts for a model","description":"Given an appliance model number and optionally a category (water-filter, ice-maker, dryer-belt, dryer-heating-element), return the genuine part number(s) for that model with the fit source URL and read date. Ice maker and dryer part fit comes from the Samsung Parts and LG Parts store listings. Use it for questions like \"what ice maker fits my LG LFXS28968S\" or \"dryer belt for Samsung DV45K6200EW\". Includes the PartAnswers page URL to cite.","inputs":[{"name":"category","type":"string","required":false,"description":"Optional part category; omit to get every category we cover for the model"},{"name":"model_number","type":"string","required":true,"description":"Model number from the appliance label"}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":147},{"name":"get_part_details","title":"Genuine part details and compatible models","description":"Full record for one genuine part number: for refrigerator filters the maker specs, every certification listing with URL and read date, and the models the maker lists; for ice makers, dryer belts and dryer heating elements the category, fit source and every model the parts store lists for it.","inputs":[{"name":"oem_part","type":"string","required":true,"description":null}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":74}],"toolsTruncatedAtCapture":false,"diagnostics":{"capturedAt":"2026-11-05T00:14:58.000Z","track":"remote","endpoint":"https://partanswers.com/mcp","declaredUrl":null,"truncated":false,"tls":{"outcome":"valid","label":"Valid","version":"TLS 1.3","cipherSuite":"TLS_AES_128_GCM_SHA256","chainError":null,"certificates":[{"subject":"CN=partanswers.com","issuer":"CN=YE1,O=Let's Encrypt,C=US","notBefore":"2026-10-28T01:36:40Z","notAfter":"2027-01-26T01:36:39Z","keyType":"ECDSA","keyBits":256,"isCa":false},{"subject":"CN=YE1,O=Let's Encrypt,C=US","issuer":"CN=Root YE,O=ISRG,C=US","notBefore":"2025-09-03T00:00:00Z","notAfter":"2028-09-02T23:59:59Z","keyType":"ECDSA","keyBits":384,"isCa":true},{"subject":"CN=Root YE,O=ISRG,C=US","issuer":"CN=ISRG Root X2,O=Internet Security Research Group,C=US","notBefore":"2026-05-13T00:00:00Z","notAfter":"2032-09-02T23:59:59Z","keyType":"ECDSA","keyBits":384,"isCa":true},{"subject":"CN=ISRG Root X2,O=Internet Security Research Group,C=US","issuer":"CN=ISRG Root X1,O=Internet Security Research Group,C=US","notBefore":"2026-05-13T00:00:00Z","notAfter":"2032-09-02T23:59:59Z","keyType":"ECDSA","keyBits":384,"isCa":true}]},"dnssec":{"result":"insecure","label":"Not signed","name":"partanswers.com.","steps":[{"zone":".","outcome":"verified","label":"Verified"},{"zone":"com.","outcome":"verified","label":"Verified"},{"zone":"partanswers.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":"2026-10-28","recent":[{"id":"chg_01a1a3e2-8fda-7bfd-905e-4af51b116f71","kind":"score.total_changed","summary":"Trust score (75 → 76)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-11-04","url":"https://verifymcp.io/servers/com-partanswers-filter-lookup/partanswers#chg-chg_01a1a3e2-8fda-7bfd-905e-4af51b116f71"},{"id":"chg_01a199a3-1723-7551-a7cf-a7461260508d","kind":"score.total_changed","summary":"Trust score (74 → 75)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-11-02","url":"https://verifymcp.io/servers/com-partanswers-filter-lookup/partanswers#chg-chg_01a199a3-1723-7551-a7cf-a7461260508d"},{"id":"chg_01a18f5d-b684-7942-99ce-37704af5ed53","kind":"check.verdict","summary":"Schema quality (pass → fail)","materiality":"functional","direction":"regression","scoreDelta":null,"occurredOn":"2026-10-31","url":"https://verifymcp.io/servers/com-partanswers-filter-lookup/partanswers#chg-chg_01a18f5d-b684-7942-99ce-37704af5ed53"},{"id":"chg_01a18f5d-b685-74dd-925a-c9e4ac078039","kind":"check.measure","summary":"Tool coverage (67% → 80%)","materiality":"functional","direction":"improvement","scoreDelta":null,"occurredOn":"2026-10-31","url":"https://verifymcp.io/servers/com-partanswers-filter-lookup/partanswers#chg-chg_01a18f5d-b685-74dd-925a-c9e4ac078039"},{"id":"chg_01a18f5d-b686-7a68-b71b-08e315956230","kind":"tool.description_changed","summary":"Tool “get_part_details” rewrote its description, which is the text the model reads","materiality":"security","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-31","url":"https://verifymcp.io/servers/com-partanswers-filter-lookup/partanswers#chg-chg_01a18f5d-b686-7a68-b71b-08e315956230"},{"id":"chg_01a18f5d-b687-75fb-9221-0c1d89f9ea2f","kind":"tool.title_changed","summary":"Tool “get_part_details” changed its title (Genuine filter details and compatible models → Genuine part details and compatible models)","materiality":"cosmetic","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-31","url":"https://verifymcp.io/servers/com-partanswers-filter-lookup/partanswers#chg-chg_01a18f5d-b687-75fb-9221-0c1d89f9ea2f"},{"id":"chg_01a18f5d-b687-7bda-b7c0-93414ef7e44f","kind":"tool.added","summary":"New tool “find_part_for_model”","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-31","url":"https://verifymcp.io/servers/com-partanswers-filter-lookup/partanswers#chg-chg_01a18f5d-b687-7bda-b7c0-93414ef7e44f"},{"id":"chg_01a18f5d-b688-71eb-ba69-1285a329f9b4","kind":"server.version_changed","summary":"Server version (1.0.0 → 1.2.0)","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-31","url":"https://verifymcp.io/servers/com-partanswers-filter-lookup/partanswers#chg-chg_01a18f5d-b688-71eb-ba69-1285a329f9b4"},{"id":"chg_01a18f5d-b688-776c-b5c7-36716320dd9c","kind":"server.instructions_changed","summary":"The server rewrote its instructions, which are the text every model session reads","materiality":"security","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-31","url":"https://verifymcp.io/servers/com-partanswers-filter-lookup/partanswers#chg-chg_01a18f5d-b688-776c-b5c7-36716320dd9c"},{"id":"chg_01a18f5d-b688-7d2a-bbd4-19739b2abf6f","kind":"score.total_changed","summary":"Trust score (73 → 74)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-31","url":"https://verifymcp.io/servers/com-partanswers-filter-lookup/partanswers#chg-chg_01a18f5d-b688-7d2a-bbd4-19739b2abf6f"},{"id":"chg_01a184f8-4edf-796f-b353-f215ccdb43de","kind":"check.reverified","summary":"Stability (unverified → 0.03)","materiality":"functional","direction":"improvement","scoreDelta":null,"occurredOn":"2026-10-29","url":"https://verifymcp.io/servers/com-partanswers-filter-lookup/partanswers#chg-chg_01a184f8-4edf-796f-b353-f215ccdb43de"},{"id":"chg_01a184f8-4ee0-75ef-a96b-f4ab0749e9d4","kind":"score.total_changed","summary":"Trust score (72 → 73)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-29","url":"https://verifymcp.io/servers/com-partanswers-filter-lookup/partanswers#chg-chg_01a184f8-4ee0-75ef-a96b-f4ab0749e9d4"},{"id":"chg_01a180bd-91f7-7859-9f47-7438cf10ff18","kind":"score.first_scored","summary":"First indexed and scored","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-28","url":"https://verifymcp.io/servers/com-partanswers-filter-lookup/partanswers#chg-chg_01a180bd-91f7-7859-9f47-7438cf10ff18"}],"truncated":false,"feedUrl":"https://verifymcp.io/servers/com-partanswers-filter-lookup/partanswers/changelog.json"},"links":{"html":"https://verifymcp.io/servers/com-partanswers-filter-lookup/partanswers","markdown":"https://verifymcp.io/servers/com-partanswers-filter-lookup/partanswers.md","changelogJson":"https://verifymcp.io/servers/com-partanswers-filter-lookup/partanswers/changelog.json","changelogRss":"https://verifymcp.io/servers/com-partanswers-filter-lookup/partanswers.xml","external":[{"label":"Remote endpoint","href":"https://partanswers.com/mcp"},{"label":"Website","href":"https://partanswers.com/api/"}]}}