{"$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":"2026-11-05T18:38:41.271Z","url":"https://verifymcp.io/servers/pipeworx-io-zippopotam/pipeworx-mcp-zippopotam","markdownUrl":"https://verifymcp.io/servers/pipeworx-io-zippopotam/pipeworx-mcp-zippopotam.md","server":{"slug":"pipeworx-io-zippopotam","name":"Zippopotam","registryName":"io.github.pipeworx-io/zippopotam","description":"Zippopotam MCP — wraps Zippopotam.us ZIP/postal code API (free, no auth)","registryStatus":"active","deletedAt":null,"statusMessage":null,"liveness":"live","publisher":{"class":"unknown","claimed":false}},"component":{"slug":"pipeworx-mcp-zippopotam","type":"npm","identifier":"@pipeworx/mcp-zippopotam","withdrawn":false,"url":"https://verifymcp.io/servers/pipeworx-io-zippopotam/pipeworx-mcp-zippopotam","version":"1.1.0","transport":"stdio","scoredAt":"2026-11-05T08:16:52.361Z"},"score":{"total":83,"tier":"high trust","status":"scored","weekDelta":3,"history":[{"date":"2026-11-05","total":83},{"date":"2026-11-04","total":83},{"date":"2026-11-03","total":83},{"date":"2026-11-02","total":82},{"date":"2026-11-01","total":82},{"date":"2026-10-31","total":81},{"date":"2026-10-30","total":81},{"date":"2026-10-29","total":80}]},"categories":[{"name":"Supply Chain Security","score":100,"verdict":"pass","reasons":["No malware found by supply-chain analysis.","No known CVEs affecting this package version or its production dependencies.","No install/post-install scripts declared.","No production dependencies, so there is no dependency health to assess."],"codes":[{"code":"supplychain.malware_clean","args":{}},{"code":"cve.none","args":{}},{"code":"installscript.none","args":{}},{"code":"dephealth.no_dependencies","args":{"deps":"0","unhealthy":"0"}}]},{"name":"Provenance & Transparency","score":97,"verdict":"fail","reasons":["Source repository is publicly reachable at the declared URL.","Cryptographically verified build provenance (signed, bound to pipeworx-io/mcp-zippopotam).","Clear OSI-approved license (MIT).","Actively maintained (last published 7 days ago).","Disclosure check failed: no security disclosure policy was found in the source repository."],"codes":[{"code":"provenance.repo_verified","args":{}},{"code":"provenance.verified","args":{"repo":"pipeworx-io/mcp-zippopotam"}},{"code":"license.osi","args":{"spdx":"MIT"}},{"code":"maintenance.recent","args":{"age_days":"7"}},{"code":"disclosure.absent","args":{}}]},{"name":"Schema Quality & AI Usability","score":71,"verdict":"fail","reasons":["AI-judged instruction clarity (good).","Context-footprint check failed: tool/resource definitions use about 373 tokens (~186/item across 2 items; 2 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":"186","items":"2","tools":"2","tokens":"373","resources":"0"}},{"code":"schema.examples_absent","args":{}}]},{"name":"Stability & Change Management","score":23,"verdict":"partial","reasons":["Stability observed for 7 of 30 days with no destabilising changes; credit accrues until the full window elapses."],"codes":[{"code":"stability.building_history","args":{"days":"7"}}]},{"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 2 captured tool definition(s), and no name or description among them implies an irreversible operation.","An AI judge read all 3 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":"2"}},{"code":"toolsafety.manipulation_clean","args":{"units":"3","judged":"3"}}]},{"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":"zippopotam-mcp","type":"remote","identifier":"https://gateway.pipeworx.io/zippopotam/mcp","withdrawn":false,"score":77,"current":false,"url":"https://verifymcp.io/servers/pipeworx-io-zippopotam/zippopotam-mcp","markdownUrl":"https://verifymcp.io/servers/pipeworx-io-zippopotam/zippopotam-mcp.md"},{"slug":"pipeworx-mcp-zippopotam","type":"npm","identifier":"@pipeworx/mcp-zippopotam","withdrawn":false,"score":83,"current":true,"url":"https://verifymcp.io/servers/pipeworx-io-zippopotam/pipeworx-mcp-zippopotam","markdownUrl":"https://verifymcp.io/servers/pipeworx-io-zippopotam/pipeworx-mcp-zippopotam.md"}],"facts":[{"label":"Registry","value":"npm"},{"label":"Package","value":"@pipeworx/mcp-zippopotam"},{"label":"Version","value":"1.1.0"},{"label":"Transport","value":"stdio"}],"install":{"available":true,"bundleSha256":null},"tools":[{"name":"lookup_zipcode","title":null,"description":"Resolve a ZIP / postal code to its place info — city, state/province, latitude/longitude — for any of 60+ countries. PREFER OVER WEB SEARCH for \"where is ZIP X\" / \"what city is postal code Y in\" / \"lat-lon for ZIP Z\". Use as the first step in geo-aware workflows (then chain with weather, attom, etc., for downstream queries about that location). Free, sub-second, no auth.","inputs":[{"name":"country","type":"string","required":true,"description":"ISO 3166-1 alpha-2 country code (e.g. \"us\", \"gb\", \"de\")."},{"name":"zipcode","type":"string","required":true,"description":"ZIP or postal code to look up (e.g. \"90210\")."}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":155},{"name":"lookup_city","title":null,"description":"Get all postal codes (ZIP codes) for a city, given its country and state or province. Country and state may be written as names or codes — \"California\" and \"CA\" both work, as do \"United States\" and \"US\".","inputs":[{"name":"city","type":"string","required":true,"description":"City name, e.g. \"beverly hills\". Spaces are fine — pass the name as written."},{"name":"country","type":"string","required":true,"description":"Country name or ISO 3166-1 alpha-2 code — \"United States\", \"US\", \"Germany\", \"DE\" all work."},{"name":"state","type":"string","required":true,"description":"State, province or UK region, by name or abbreviation — \"California\" or \"CA\", \"Ontario\" or \"ON\", \"England\" or \"eng\"."}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":162}],"toolsTruncatedAtCapture":false,"diagnostics":{"capturedAt":"2026-11-05T08:16:52.000Z","track":"package","endpoint":null,"declaredUrl":null,"truncated":false,"tls":null,"dnssec":null,"auth":null,"httpsRedirect":null,"transports":[],"provenance":{"outcome":"verified","label":"Verified","reason":"verified","reasonLabel":"Verified","discovery":"attestation_endpoint","discoveryLabel":"Registry attestation endpoint","sourceRepo":null,"attestationSkipped":null,"attestationSkippedLabel":null},"installScripts":[],"installScriptsTotal":null,"vulnerabilities":[],"vulnerabilitiesTotal":null,"dependencies":{"nodes":0,"partial":false,"deprecated":null,"stale":null,"noRepo":null}},"mismatches":[],"changelog":{"trackingSince":"2026-10-29","recent":[{"id":"chg_01a1a07a-5813-7e97-b4a9-f136d70744dc","kind":"score.total_changed","summary":"Trust score (82 → 83)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-11-03","url":"https://verifymcp.io/servers/pipeworx-io-zippopotam/pipeworx-mcp-zippopotam#chg-chg_01a1a07a-5813-7e97-b4a9-f136d70744dc"},{"id":"chg_01a1962e-afbb-764a-a9a5-7b39f4336f51","kind":"score.total_changed","summary":"Trust score (81 → 82)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-11-01","url":"https://verifymcp.io/servers/pipeworx-io-zippopotam/pipeworx-mcp-zippopotam#chg-chg_01a1962e-afbb-764a-a9a5-7b39f4336f51"},{"id":"chg_01a18be1-da05-7bad-bc52-5aabb4edd0d9","kind":"score.total_changed","summary":"Trust score (80 → 81)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-30","url":"https://verifymcp.io/servers/pipeworx-io-zippopotam/pipeworx-mcp-zippopotam#chg-chg_01a18be1-da05-7bad-bc52-5aabb4edd0d9"},{"id":"chg_01a186e1-58d0-7b41-b550-a0986509863e","kind":"score.first_scored","summary":"First indexed and scored","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-29","url":"https://verifymcp.io/servers/pipeworx-io-zippopotam/pipeworx-mcp-zippopotam#chg-chg_01a186e1-58d0-7b41-b550-a0986509863e"},{"id":"chg_01a186bb-4d2c-7699-ae9b-a1df7d1cd1e6","kind":"score.first_scored","summary":"First indexed and scored","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-29","url":"https://verifymcp.io/servers/pipeworx-io-zippopotam/pipeworx-mcp-zippopotam#chg-chg_01a186bb-4d2c-7699-ae9b-a1df7d1cd1e6"}],"truncated":false,"feedUrl":"https://verifymcp.io/servers/pipeworx-io-zippopotam/pipeworx-mcp-zippopotam/changelog.json"},"links":{"html":"https://verifymcp.io/servers/pipeworx-io-zippopotam/pipeworx-mcp-zippopotam","markdown":"https://verifymcp.io/servers/pipeworx-io-zippopotam/pipeworx-mcp-zippopotam.md","changelogJson":"https://verifymcp.io/servers/pipeworx-io-zippopotam/pipeworx-mcp-zippopotam/changelog.json","changelogRss":"https://verifymcp.io/servers/pipeworx-io-zippopotam/pipeworx-mcp-zippopotam.xml","external":[{"label":"npm package","href":"https://www.npmjs.com/package/@pipeworx/mcp-zippopotam"},{"label":"Socket report","href":"https://socket.dev/npm/package/@pipeworx/mcp-zippopotam"},{"label":"Repository","href":"https://github.com/pipeworx-io/mcp-zippopotam"},{"label":"Website","href":"https://pipeworx.io/packs/zippopotam"}]}}