{"$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":"2026-11-05T16:20:48.693Z","url":"https://verifymcp.io/servers/pipeworx-io-postscript/pipeworx-mcp-postscript","markdownUrl":"https://verifymcp.io/servers/pipeworx-io-postscript/pipeworx-mcp-postscript.md","server":{"slug":"pipeworx-io-postscript","name":"Postscript","registryName":"io.github.pipeworx-io/postscript","description":"Postscript MCP Pack — SMS marketing for Shopify.","registryStatus":"active","deletedAt":null,"statusMessage":null,"liveness":"live","publisher":{"class":"unknown","claimed":false}},"component":{"slug":"pipeworx-mcp-postscript","type":"npm","identifier":"@pipeworx/mcp-postscript","withdrawn":false,"url":"https://verifymcp.io/servers/pipeworx-io-postscript/pipeworx-mcp-postscript","version":"0.2.1","transport":"stdio","scoredAt":"2026-11-05T09:48:46.568Z"},"score":{"total":82,"tier":"high trust","status":"scored","weekDelta":null,"history":[{"date":"2026-11-05","total":82},{"date":"2026-11-04","total":81}]},"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-postscript).","Clear OSI-approved license (MIT).","Actively maintained (last published 0 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-postscript"}},{"code":"license.osi","args":{"spdx":"MIT"}},{"code":"maintenance.recent","args":{"age_days":"0"}},{"code":"disclosure.absent","args":{}}]},{"name":"Schema Quality & AI Usability","score":76,"verdict":"fail","reasons":["AI-judged instruction clarity (excellent).","Context-footprint check failed: tool/resource definitions use about 532 tokens (~133/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":"excellent"}},{"code":"schema.footprint_heavy","args":{"avg":"133","items":"4","tools":"4","tokens":"532","resources":"0"}},{"code":"schema.examples_absent","args":{}}]},{"name":"Stability & Change Management","score":3,"verdict":"partial","reasons":["Stability observed for 1 of 30 days with no destabilising changes; credit accrues until the full window elapses."],"codes":[{"code":"stability.building_history","args":{"days":"1"}}]},{"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 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); 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Supports filtering by email, phone number, Shopify customer ID, and created/updated timestamps, plus sorting. Page-based pagination: returns { page_info: { page, total_pages }, subscribers: [...] }; pass page to walk results.","inputs":[{"name":"_apiKey","type":"string","required":true,"description":"Postscript Private API token (Bearer). From Settings → API."},{"name":"created_at__gte","type":"string","required":false,"description":"ISO timestamp; subscribers created on/after this time."},{"name":"created_at__lte","type":"string","required":false,"description":"ISO timestamp; subscribers created on/before this time."},{"name":"email__contains","type":"string","required":false,"description":"Substring email match."},{"name":"email__eq","type":"string","required":false,"description":"Exact email match."},{"name":"page","type":"number","required":false,"description":"1-indexed page number (default 1). 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