{"$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":"2026-11-06T12:36:58.784Z","url":"https://verifymcp.io/servers/cqqooq123-jiheng/jiheng-mcp","markdownUrl":"https://verifymcp.io/servers/cqqooq123-jiheng/jiheng-mcp.md","server":{"slug":"cqqooq123-jiheng","name":"io.github.CQQOOQ123/jiheng","registryName":"io.github.CQQOOQ123/jiheng","description":"Exact math execution layer for AI agents: fractions, finance, units, dates. 19 packs.","registryStatus":"active","deletedAt":null,"statusMessage":null,"liveness":"live","publisher":{"class":"unknown","claimed":false}},"component":{"slug":"jiheng-mcp","type":"pypi","identifier":"jiheng-mcp","withdrawn":false,"url":"https://verifymcp.io/servers/cqqooq123-jiheng/jiheng-mcp","version":"0.3.9","transport":"stdio","scoredAt":"2026-11-06T04:15:23.055Z"},"score":{"total":79,"tier":"medium","status":"scored","weekDelta":null,"history":[{"date":"2026-11-06","total":79},{"date":"2026-11-05","total":64}]},"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.","Runs hatchling.build at install time, a recognised build step with no custom scripting around it.","0 of 2 dependencies flagged as unhealthy."],"codes":[{"code":"supplychain.malware_clean","args":{}},{"code":"cve.none","args":{}},{"code":"installscript.allowlisted","args":{"tool":"hatchling.build","hooks":"build_backend"}},{"code":"dephealth.assessed","args":{"deps":"2","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 CQQOOQ123/jiheng).","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":"CQQOOQ123/jiheng"}},{"code":"license.osi","args":{"spdx":"MIT"}},{"code":"maintenance.recent","args":{"age_days":"0"}},{"code":"disclosure.absent","args":{}}]},{"name":"Schema Quality & AI Usability","score":67,"verdict":"fail","reasons":["AI-judged instruction clarity (good).","Context-footprint check failed: tool/resource definitions use about 282 tokens (~282/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":"good"}},{"code":"schema.footprint_heavy","args":{"avg":"282","items":"1","tools":"1","tokens":"282","resources":"0"}},{"code":"schema.examples_absent","args":{}}]},{"name":"Stability & Change Management","score":0,"verdict":"unverified","reasons":["Stability not yet verified: not enough scan history yet (needs a 30-day window)."],"codes":[{"code":"stability.insufficient_history","args":{}}]},{"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":100,"verdict":"pass","reasons":["Implements a supported MCP spec version (2025-11-25); 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Results include a full-precision decimal; copy it verbatim and never round.","inputs":[{"name":"defs","type":"object","required":false,"description":"optional custom constant/function definitions"},{"name":"expr","type":"string","required":false,"description":"final expression, e.g. 1000*(1+0.13) or mean([1,2,3]); optional when steps are given"},{"name":"steps","type":"array","required":false,"description":"named intermediate steps; later steps can reference earlier names"}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":282}],"toolsTruncatedAtCapture":false,"diagnostics":{"capturedAt":"2026-11-06T04:15:23.000Z","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":[{"hook":"build_backend","tier":"allowlisted"}],"installScriptsTotal":null,"vulnerabilities":[],"vulnerabilitiesTotal":null,"dependencies":{"nodes":2,"partial":false,"deprecated":null,"stale":null,"noRepo":null}},"mismatches":[],"changelog":{"trackingSince":"2026-11-05","recent":[{"id":"chg_01a1af11-83c1-7b4b-ada0-255b8ac5ab67","kind":"check.reverified","summary":"Malware scan (unverified → pass)","materiality":"security","direction":"improvement","scoreDelta":null,"occurredOn":"2026-11-06","url":"https://verifymcp.io/servers/cqqooq123-jiheng/jiheng-mcp#chg-chg_01a1af11-83c1-7b4b-ada0-255b8ac5ab67"},{"id":"chg_01a1af11-83c2-7bb8-8781-3617332d8965","kind":"score.total_changed","summary":"Trust score (64 → 79)","materiality":"functional","direction":"improvement","scoreDelta":15,"occurredOn":"2026-11-06","url":"https://verifymcp.io/servers/cqqooq123-jiheng/jiheng-mcp#chg-chg_01a1af11-83c2-7bb8-8781-3617332d8965"},{"id":"chg_01a1abee-2224-79fc-b8f4-9dd821d44521","kind":"score.first_scored","summary":"First indexed and scored","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-11-05","url":"https://verifymcp.io/servers/cqqooq123-jiheng/jiheng-mcp#chg-chg_01a1abee-2224-79fc-b8f4-9dd821d44521"}],"truncated":false,"feedUrl":"https://verifymcp.io/servers/cqqooq123-jiheng/jiheng-mcp/changelog.json"},"links":{"html":"https://verifymcp.io/servers/cqqooq123-jiheng/jiheng-mcp","markdown":"https://verifymcp.io/servers/cqqooq123-jiheng/jiheng-mcp.md","changelogJson":"https://verifymcp.io/servers/cqqooq123-jiheng/jiheng-mcp/changelog.json","changelogRss":"https://verifymcp.io/servers/cqqooq123-jiheng/jiheng-mcp.xml","external":[{"label":"PyPI project","href":"https://pypi.org/project/jiheng-mcp/"},{"label":"Socket report","href":"https://socket.dev/pypi/package/jiheng-mcp"},{"label":"Repository","href":"https://github.com/CQQOOQ123/jiheng"}]}}