{"$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":"2026-11-05T16:30:53.254Z","url":"https://verifymcp.io/servers/in-nityaflow-gst-credit-match/functions-v1-wf-mcp-gst","markdownUrl":"https://verifymcp.io/servers/in-nityaflow-gst-credit-match/functions-v1-wf-mcp-gst.md","server":{"slug":"in-nityaflow-gst-credit-match","name":"Nityaflow GST credit match","registryName":"in.nityaflow/gst-credit-match","description":"India GST credit check: matches GSTR-2B with the purchase register and signs a receipt.","registryStatus":"active","deletedAt":null,"statusMessage":null,"liveness":"live","publisher":{"class":"unknown","claimed":false}},"component":{"slug":"functions-v1-wf-mcp-gst","type":"remote","identifier":"https://aeerptxvpnbzqglebhyt.supabase.co/functions/v1/wf/mcp-gst","withdrawn":false,"url":"https://verifymcp.io/servers/in-nityaflow-gst-credit-match/functions-v1-wf-mcp-gst","version":"1.0.1","transport":null,"scoredAt":"2026-11-05T09:24:07.384Z"},"score":{"total":79,"tier":"medium","status":"scored","weekDelta":3,"history":[{"date":"2026-11-05","total":79},{"date":"2026-11-04","total":78},{"date":"2026-11-03","total":78},{"date":"2026-11-02","total":77},{"date":"2026-11-01","total":77},{"date":"2026-10-31","total":76},{"date":"2026-10-30","total":76},{"date":"2026-10-29","total":76},{"date":"2026-10-28","total":75},{"date":"2026-10-27","total":75},{"date":"2026-10-26","total":74},{"date":"2026-10-25","total":71}]},"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":76,"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 777 tokens (~259/item across 3 items; 3 tools + 0 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":"259","items":"3","tools":"3","tokens":"777","resources":"0"}},{"code":"schema.examples_absent","args":{}}]},{"name":"Stability & Change Management","score":37,"verdict":"partial","reasons":["Stability observed for 11 of 30 days with no destabilising changes; credit accrues until the full window elapses."],"codes":[{"code":"stability.building_history","args":{"days":"11"}}]},{"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 3 captured tool definition(s), and no name or description among them implies an irreversible operation.","An AI judge read all 4 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":"3"}},{"code":"toolsafety.manipulation_clean","args":{"units":"4","judged":"4"}}]},{"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":"functions-v1-wf-mcp-gst","type":"remote","identifier":"https://aeerptxvpnbzqglebhyt.supabase.co/functions/v1/wf/mcp-gst","withdrawn":false,"score":79,"current":true,"url":"https://verifymcp.io/servers/in-nityaflow-gst-credit-match/functions-v1-wf-mcp-gst","markdownUrl":"https://verifymcp.io/servers/in-nityaflow-gst-credit-match/functions-v1-wf-mcp-gst.md"}],"facts":[{"label":"Endpoint","value":"https://aeerptxvpnbzqglebhyt.supabase.co/functions/v1/wf/mcp-gst"},{"label":"Transports","value":"streamable-http"},{"label":"Auth","value":"none"},{"label":"Version","value":"1.0.1"}],"install":{"available":true,"bundleSha256":null},"tools":[{"name":"gst_credit_match","title":"Match GSTR-2B with the purchase register","description":"India GST input tax credit check. Matches the supplier invoices in GSTR-2B against the purchase register from the books (Tally, Zoho Books, Busy, QuickBooks or any list) and sorts every invoice into: matched, amount mismatch, entered twice (duplicate bills), possible match (invoice number or GSTIN written differently), in books but not in GSTR-2B (credit at risk), in GSTR-2B but not in books. A separate checker re-derives the totals, and the result comes with a receipt signed by Nityaflow. Invoices are processed in memory and not stored. It never files or accepts anything on the GST portal.","inputs":[{"name":"books","type":"array","required":true,"description":"Purchase register from the books: a list of invoices like {gstin, invoice, date, name, taxable, igst, cgst, sgst, cess, value}. Use the supplier's bill number, not the voucher number."},{"name":"client","type":"string","required":false,"description":"Client or business name, for the receipt."},{"name":"gstr2b","type":null,"required":true,"description":"GSTR-2B: either the JSON file downloaded from the GST portal, or a list of invoices like {gstin, invoice, date, taxable, igst, cgst, sgst, cess}."},{"name":"period","type":"string","required":false,"description":"Return period, for example 2026-09."},{"name":"tolerance","type":"number","required":false,"description":"Allowed difference in rupees before amounts count as different. Default 1."}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":305},{"name":"verify_receipt","title":"Verify a Nityaflow receipt","description":"Checks that a Nityaflow receipt (from gst_credit_match or a Nityaflow workflow) was not changed and was signed by Nityaflow.","inputs":[{"name":"receipt","type":"object","required":true,"description":"The receipt object, exactly as it was given."}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":58},{"name":"agent_payment_check","title":"Check an AI agent's payment against the mandate and the instruction","description":"Before an AI agent pays, checks the proposed payment against the person's mandate (who allowed it, limits per payment and per period, allowed shops and UPI IDs, end date) and against what the person actually asked for (items, quantities, budget, shop). It works the total out again from the cart lines, and flags lookalike payees, extra items, too much quantity, going over a limit and repeat payments. Returns every check and a receipt signed by Nityaflow. It never pays, holds or moves money: a licensed bank or payment app does that, only after a person approves.","inputs":[{"name":"action","type":"object","required":true,"description":"The payment the agent proposes: {merchant, vpa, lines: [{name, qty, unit, price}], fees, total}."},{"name":"history","type":"array","required":false,"description":"Earlier payments under this mandate: [{at, total, vpa, status: paid}]. Used for the period limit and repeat check."},{"name":"intent","type":"object","required":true,"description":"What the person asked for: {text, items: [{name, qty, unit}], budget, merchant}. Units: kg, g, l, ml, pc, pack, dozen."},{"name":"mandate","type":"object","required":true,"description":"The permission: {authorised_by, purpose, per_payment, per_period, period (day, week, month or 90 days), merchants: [{name, vpa, category}], approve_above, valid_from, valid_to}."}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":298}],"toolsTruncatedAtCapture":false,"diagnostics":{"capturedAt":"2026-11-05T09:24:07.000Z","track":"remote","endpoint":"https://aeerptxvpnbzqglebhyt.supabase.co/functions/v1/wf/mcp-gst","declaredUrl":null,"truncated":false,"tls":{"outcome":"valid","label":"Valid","version":"TLS 1.3","cipherSuite":"TLS_AES_128_GCM_SHA256","chainError":null,"certificates":[{"subject":"CN=supabase.co","issuer":"CN=WE1,O=Google Trust Services,C=US","notBefore":"2026-10-24T13:22:36Z","notAfter":"2027-01-22T14:22:32Z","keyType":"ECDSA","keyBits":256,"isCa":false},{"subject":"CN=WE1,O=Google Trust Services,C=US","issuer":"CN=GTS Root R4,O=Google Trust 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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":"2026-10-25","recent":[{"id":"chg_01a1ab05-d069-7495-a6a3-f776f2635488","kind":"score.total_changed","summary":"Trust score (78 → 79)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-11-05","url":"https://verifymcp.io/servers/in-nityaflow-gst-credit-match/functions-v1-wf-mcp-gst#chg-chg_01a1ab05-d069-7495-a6a3-f776f2635488"},{"id":"chg_01a1a0b1-2514-7830-8aca-738ec49ffa55","kind":"score.total_changed","summary":"Trust score (77 → 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“reconcile-gst”","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-26","url":"https://verifymcp.io/servers/in-nityaflow-gst-credit-match/functions-v1-wf-mcp-gst#chg-chg_01a1777e-39fd-707d-8424-d07ab3dfaeb5"},{"id":"chg_01a1777e-39fd-773c-8878-5961c602f91f","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":"2026-10-26","url":"https://verifymcp.io/servers/in-nityaflow-gst-credit-match/functions-v1-wf-mcp-gst#chg-chg_01a1777e-39fd-773c-8878-5961c602f91f"},{"id":"chg_01a1777e-39fd-7d22-89f2-3f7913272278","kind":"capability.enabled","summary":"The server now declares the “prompts” capability","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-26","url":"https://verifymcp.io/servers/in-nityaflow-gst-credit-match/functions-v1-wf-mcp-gst#chg-chg_01a1777e-39fd-7d22-89f2-3f7913272278"},{"id":"chg_01a1777e-39fe-7530-b855-e068f6755894","kind":"score.total_changed","summary":"Trust score (71 → 74)","materiality":"functional","direction":"improvement","scoreDelta":3,"occurredOn":"2026-10-26","url":"https://verifymcp.io/servers/in-nityaflow-gst-credit-match/functions-v1-wf-mcp-gst#chg-chg_01a1777e-39fe-7530-b855-e068f6755894"},{"id":"chg_01a173ca-95fd-7135-bad1-78baa6c60be8","kind":"score.first_scored","summary":"First indexed and scored","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-25","url":"https://verifymcp.io/servers/in-nityaflow-gst-credit-match/functions-v1-wf-mcp-gst#chg-chg_01a173ca-95fd-7135-bad1-78baa6c60be8"}],"truncated":false,"feedUrl":"https://verifymcp.io/servers/in-nityaflow-gst-credit-match/functions-v1-wf-mcp-gst/changelog.json"},"links":{"html":"https://verifymcp.io/servers/in-nityaflow-gst-credit-match/functions-v1-wf-mcp-gst","markdown":"https://verifymcp.io/servers/in-nityaflow-gst-credit-match/functions-v1-wf-mcp-gst.md","changelogJson":"https://verifymcp.io/servers/in-nityaflow-gst-credit-match/functions-v1-wf-mcp-gst/changelog.json","changelogRss":"https://verifymcp.io/servers/in-nityaflow-gst-credit-match/functions-v1-wf-mcp-gst.xml","external":[{"label":"Remote endpoint","href":"https://aeerptxvpnbzqglebhyt.supabase.co/functions/v1/wf/mcp-gst"},{"label":"Website","href":"https://app.nityaflow.in/ai.html"}]}}