{"$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":"2026-11-05T16:21:16.863Z","url":"https://verifymcp.io/servers/dev-workers-mike-tusa-headerguard-headerguard/headerguard","markdownUrl":"https://verifymcp.io/servers/dev-workers-mike-tusa-headerguard-headerguard/headerguard.md","server":{"slug":"dev-workers-mike-tusa-headerguard-headerguard","name":"HeaderGuard","registryName":"dev.workers.mike-tusa.headerguard/headerguard","description":"Scan a website's HTTP security headers (HSTS, CSP, framing, COOP/CORP, cookies). Score + fixes.","registryStatus":"active","deletedAt":null,"statusMessage":null,"liveness":"live","publisher":{"class":"unknown","claimed":false}},"component":{"slug":"headerguard","type":"remote","identifier":"https://headerguard.mike-tusa.workers.dev/mcp","withdrawn":false,"url":"https://verifymcp.io/servers/dev-workers-mike-tusa-headerguard-headerguard/headerguard","version":"0.4.0","transport":null,"scoredAt":"2026-11-05T03:25:20.362Z"},"score":{"total":79,"tier":"medium","status":"scored","weekDelta":3,"history":[{"date":"2026-11-05","total":79},{"date":"2026-11-04","total":79},{"date":"2026-11-03","total":79},{"date":"2026-11-02","total":78},{"date":"2026-11-01","total":78},{"date":"2026-10-31","total":77},{"date":"2026-10-30","total":77},{"date":"2026-10-29","total":76},{"date":"2026-10-28","total":76},{"date":"2026-10-27","total":75},{"date":"2026-10-26","total":75},{"date":"2026-10-25","total":74},{"date":"2026-10-24","total":74},{"date":"2026-10-23","total":73},{"date":"2026-10-22","total":73},{"date":"2026-10-21","total":72},{"date":"2026-10-20","total":72},{"date":"2026-10-19","total":72},{"date":"2026-10-18","total":71},{"date":"2026-10-17","total":71},{"date":"2026-10-16","total":70},{"date":"2026-10-15","total":70},{"date":"2026-10-14","total":69},{"date":"2026-10-13","total":69},{"date":"2026-10-12","total":68},{"date":"2026-10-10","total":67}]},"categories":[{"name":"Endpoint Security","score":69,"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 enforcement could not be verified: the plaintext port answered with HTTP 405, which proves neither a plaintext path nor enforcement.","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.inconclusive","args":{"reason":"plaintext_status","status":"405"}},{"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":65,"verdict":"fail","reasons":["AI-judged instruction clarity (excellent).","Context-footprint check failed: tool/resource definitions use about 495 tokens (~495/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":"excellent"}},{"code":"schema.footprint_heavy","args":{"avg":"495","items":"1","tools":"1","tokens":"495","resources":"0"}},{"code":"schema.examples_absent","args":{}}]},{"name":"Stability & Change Management","score":87,"verdict":"partial","reasons":["Stability observed for 26 of 30 days with no destabilising changes; credit accrues until the full window elapses."],"codes":[{"code":"stability.building_history","args":{"days":"26"}}]},{"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.","Structured output schemas are declared (100% of tools); any adoption earns full credit."],"codes":[{"code":"toolquality.descriptions","args":{"pct":"100"}},{"code":"toolquality.param_docs","args":{"pct":"100"}},{"code":"toolquality.output_present","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 2 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":"2","judged":"2"}}]},{"name":"Capabilities","score":100,"verdict":"pass","reasons":["Implements a current MCP spec version (2026-07-28)."],"codes":[{"code":"protocol.current","args":{"version":"2026-07-28"}}]}],"inconclusive":["HTTPS enforcement could not be verified: the plaintext port answered with HTTP 405, which proves neither a plaintext path nor enforcement."],"malware":[],"components":[{"slug":"headerguard","type":"remote","identifier":"https://headerguard.mike-tusa.workers.dev/mcp","withdrawn":false,"score":79,"current":true,"url":"https://verifymcp.io/servers/dev-workers-mike-tusa-headerguard-headerguard/headerguard","markdownUrl":"https://verifymcp.io/servers/dev-workers-mike-tusa-headerguard-headerguard/headerguard.md"}],"facts":[{"label":"Endpoint","value":"https://headerguard.mike-tusa.workers.dev/mcp"},{"label":"Transports","value":"streamable-http"},{"label":"Auth","value":"none"},{"label":"Version","value":"0.4.0"}],"install":{"available":true,"bundleSha256":null},"tools":[{"name":"scan_headers","title":"Scan a website's HTTP security headers (HSTS, CSP, framing, COOP/CORP/COEP, cookies)","description":"Scan the HTTP security headers of a public website. Returns a 0–100 score and A+–F grade (HTTPS 10, HSTS 15, CSP 25, framing 10, X-Content-Type-Options 10, Referrer-Policy 10, Permissions-Policy 5, COOP 5, CORP 5, cookies 5, minus up to 5 for version-leak headers; without HTTPS the score is capped at 39), each header's status and notes, recommended fix headers, and a link to the full report with copy-paste snippets for nginx, Apache, Cloudflare, Netlify, Vercel and Express. Read-only: it sends ordinary GET requests to the site (following up to 10 redirects, each safety-checked) and never reads page bodies. Same engine and scoring as the HeaderGuard JSON API (GET /api/scan).","inputs":[{"name":"include_raw","type":"boolean","required":false,"description":"Also return the full /api/scan JSON (redirect chain, all response headers with cookie values redacted, per-platform fix snippets) in structuredContent.raw. Larger output."},{"name":"url","type":"string","required":true,"description":"URL or bare domain to scan, e.g. example.com or https://example.com/login. A bare domain is scanned as https://<domain>/ (plain HTTP if HTTPS does not answer)."}],"outputs":[{"name":"apiUrl","type":"string","required":false,"description":null},{"name":"cached","type":"boolean","required":false,"description":null},{"name":"finalStatus","type":"number","required":false,"description":null},{"name":"finalUrl","type":"string","required":true,"description":null},{"name":"findings","type":"array","required":true,"description":null},{"name":"fixes","type":"array","required":true,"description":null},{"name":"grade","type":"string","required":false,"description":"Omitted when the grade is withheld"},{"name":"gradeWithheld","type":"boolean","required":true,"description":"true when the site blocked, rate-limited or challenged the scanner"},{"name":"gradeWithheldReason","type":"string","required":false,"description":null},{"name":"notes","type":"array","required":false,"description":null},{"name":"plan","type":"string","required":true,"description":null},{"name":"raw","type":"object","required":false,"description":"Full /api/scan response (only when include_raw is true)"},{"name":"redirectCount","type":"number","required":false,"description":null},{"name":"reliability","type":"string","required":true,"description":null},{"name":"reportUrl","type":"string","required":true,"description":null},{"name":"scannedAt","type":"string","required":false,"description":null},{"name":"score","type":"number","required":false,"description":"Omitted when the grade is withheld"},{"name":"url","type":"string","required":true,"description":"Normalized URL that was scanned"},{"name":"version","type":"string","required":false,"description":null}],"hasOutputSchema":true,"hasExamples":false,"tokenEstimate":280}],"toolsTruncatedAtCapture":false,"diagnostics":{"capturedAt":"2026-11-05T03:25:20.000Z","track":"remote","endpoint":"https://headerguard.mike-tusa.workers.dev/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=mike-tusa.workers.dev","issuer":"CN=WE1,O=Google Trust Services,C=US","notBefore":"2026-10-12T19:39:51Z","notAfter":"2027-01-10T20:37:31Z","keyType":"ECDSA","keyBits":256,"isCa":false},{"subject":"CN=WE1,O=Google Trust Services,C=US","issuer":"CN=GTS Root R4,O=Google Trust Services LLC,C=US","notBefore":"2023-12-13T09:00:00Z","notAfter":"2029-02-20T14:00:00Z","keyType":"ECDSA","keyBits":256,"isCa":true},{"subject":"CN=GTS Root R4,O=Google Trust Services LLC,C=US","issuer":"CN=GlobalSign Root CA,OU=Root CA,O=GlobalSign nv-sa,C=BE","notBefore":"2023-11-15T03:43:21Z","notAfter":"2028-01-28T00:00:42Z","keyType":"ECDSA","keyBits":384,"isCa":true}]},"dnssec":{"result":"insecure","label":"Not signed","name":"headerguard.mike-tusa.workers.dev.","steps":[{"zone":".","outcome":"verified","label":"Verified"},{"zone":"dev.","outcome":"verified","label":"Verified"},{"zone":"workers.dev.","outcome":"insecure_proven","label":"Unsigned (proven)"}]},"auth":{"outcome":"none","label":"No authorisation required","gate":null,"gateLabel":null,"status":200,"authorizationServers":[]},"httpsRedirect":{"outcome":"inconclusive","label":"Inconclusive","status":405},"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":"2026-10-10","recent":[{"id":"chg_01a19f6e-d6df-7be5-9f6e-bcda5d254846","kind":"score.total_changed","summary":"Trust score (78 → 79)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-11-03","url":"https://verifymcp.io/servers/dev-workers-mike-tusa-headerguard-headerguard/headerguard#chg-chg_01a19f6e-d6df-7be5-9f6e-bcda5d254846"},{"id":"chg_01a19524-5520-7cb7-abb9-a690e1bd03e7","kind":"score.total_changed","summary":"Trust score (77 → 78)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-11-01","url":"https://verifymcp.io/servers/dev-workers-mike-tusa-headerguard-headerguard/headerguard#chg-chg_01a19524-5520-7cb7-abb9-a690e1bd03e7"},{"id":"chg_01a18ad6-2016-7e73-af4e-7cba83d9afd6","kind":"score.total_changed","summary":"Trust score (76 → 77)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-30","url":"https://verifymcp.io/servers/dev-workers-mike-tusa-headerguard-headerguard/headerguard#chg-chg_01a18ad6-2016-7e73-af4e-7cba83d9afd6"},{"id":"chg_01a18089-ef62-7e39-8677-119cb3a5b781","kind":"score.total_changed","summary":"Trust score (75 → 76)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-28","url":"https://verifymcp.io/servers/dev-workers-mike-tusa-headerguard-headerguard/headerguard#chg-chg_01a18089-ef62-7e39-8677-119cb3a5b781"},{"id":"chg_01a1763c-1a8f-7057-b711-17c9fda70ad3","kind":"score.total_changed","summary":"Trust score (74 → 75)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-26","url":"https://verifymcp.io/servers/dev-workers-mike-tusa-headerguard-headerguard/headerguard#chg-chg_01a1763c-1a8f-7057-b711-17c9fda70ad3"},{"id":"chg_01a16bed-df03-7a4d-b0f2-b0220fd5f51e","kind":"score.total_changed","summary":"Trust score (73 → 74)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-24","url":"https://verifymcp.io/servers/dev-workers-mike-tusa-headerguard-headerguard/headerguard#chg-chg_01a16bed-df03-7a4d-b0f2-b0220fd5f51e"},{"id":"chg_01a161a1-4b0b-7349-9938-104fea5f55da","kind":"score.total_changed","summary":"Trust score (72 → 73)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-22","url":"https://verifymcp.io/servers/dev-workers-mike-tusa-headerguard-headerguard/headerguard#chg-chg_01a161a1-4b0b-7349-9938-104fea5f55da"},{"id":"chg_01a1522b-9dbd-7c7a-ac61-35ef0e586b6e","kind":"score.total_changed","summary":"Trust score (71 → 72)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-19","url":"https://verifymcp.io/servers/dev-workers-mike-tusa-headerguard-headerguard/headerguard#chg-chg_01a1522b-9dbd-7c7a-ac61-35ef0e586b6e"},{"id":"chg_01a147dd-f460-75ab-b9af-0855bec33f2b","kind":"server.version_changed","summary":"Server version (0.5.0 → 0.5.1)","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-17","url":"https://verifymcp.io/servers/dev-workers-mike-tusa-headerguard-headerguard/headerguard#chg-chg_01a147dd-f460-75ab-b9af-0855bec33f2b"},{"id":"chg_01a147dd-f461-703b-a1eb-b7da90f092db","kind":"score.total_changed","summary":"Trust score (70 → 71)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-17","url":"https://verifymcp.io/servers/dev-workers-mike-tusa-headerguard-headerguard/headerguard#chg-chg_01a147dd-f461-703b-a1eb-b7da90f092db"},{"id":"chg_01a142bf-dd06-7c77-b1b4-b6624e5a1b17","kind":"server.version_changed","summary":"Server version (0.4.0 → 0.5.0)","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-16","url":"https://verifymcp.io/servers/dev-workers-mike-tusa-headerguard-headerguard/headerguard#chg-chg_01a142bf-dd06-7c77-b1b4-b6624e5a1b17"},{"id":"chg_01a13d93-5a06-7903-8d3f-5700831cbb41","kind":"score.total_changed","summary":"Trust score (69 → 70)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-15","url":"https://verifymcp.io/servers/dev-workers-mike-tusa-headerguard-headerguard/headerguard#chg-chg_01a13d93-5a06-7903-8d3f-5700831cbb41"},{"id":"chg_01a13343-2fa1-758f-b957-02922492baaa","kind":"score.total_changed","summary":"Trust score (68 → 69)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-13","url":"https://verifymcp.io/servers/dev-workers-mike-tusa-headerguard-headerguard/headerguard#chg-chg_01a13343-2fa1-758f-b957-02922492baaa"},{"id":"chg_01a12dc0-5c7f-7b96-bae1-7c3355b4ec92","kind":"check.reverified","summary":"Stability (unverified → 0.07)","materiality":"functional","direction":"improvement","scoreDelta":null,"occurredOn":"2026-10-12","url":"https://verifymcp.io/servers/dev-workers-mike-tusa-headerguard-headerguard/headerguard#chg-chg_01a12dc0-5c7f-7b96-bae1-7c3355b4ec92"},{"id":"chg_01a12dc0-5c82-7a93-9b65-de5ce7b847c0","kind":"score.total_changed","summary":"Trust score (67 → 68)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-12","url":"https://verifymcp.io/servers/dev-workers-mike-tusa-headerguard-headerguard/headerguard#chg-chg_01a12dc0-5c82-7a93-9b65-de5ce7b847c0"},{"id":"chg_01a1264a-294e-7d1d-83e2-d22cd8a5debb","kind":"score.first_scored","summary":"First indexed and scored","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-10","url":"https://verifymcp.io/servers/dev-workers-mike-tusa-headerguard-headerguard/headerguard#chg-chg_01a1264a-294e-7d1d-83e2-d22cd8a5debb"}],"truncated":false,"feedUrl":"https://verifymcp.io/servers/dev-workers-mike-tusa-headerguard-headerguard/headerguard/changelog.json"},"links":{"html":"https://verifymcp.io/servers/dev-workers-mike-tusa-headerguard-headerguard/headerguard","markdown":"https://verifymcp.io/servers/dev-workers-mike-tusa-headerguard-headerguard/headerguard.md","changelogJson":"https://verifymcp.io/servers/dev-workers-mike-tusa-headerguard-headerguard/headerguard/changelog.json","changelogRss":"https://verifymcp.io/servers/dev-workers-mike-tusa-headerguard-headerguard/headerguard.xml","external":[{"label":"Remote endpoint","href":"https://headerguard.mike-tusa.workers.dev/mcp"},{"label":"Website","href":"https://headerguard.mike-tusa.workers.dev/"}]}}