io.github.ai4xedu/hidden-tokens
14 changes recorded. MCP Harbor re-reads this listing from the official registry every six hours and asks the live server what it exposes, and keeps what changed between one look and the next.
https://hiddentokens.com/llms.txt
− - Proof: a local "What Claude saw" log re-checks every AI response against the key; signed proof pages; a seal a client can verify; a coverage report per workstation (counts only).− - Platforms: macOS 13 or later on Apple Silicon (signed and notarised by Apple); Windows 10 and 11, 64-bit, per-user install without admin rights. The app updates itself.− - Pricing (excl. VAT, per seat per year): Solo €390 (1 seat); Firm €290 (2–20 seats, organisation registry, signed admin policy, coverage report); Organisation €190 (21–100 seats), €140 (101–500 seats), €4,900/year minimum, with key escrow, admin console, priority support and a framework agreement.− - [Hidden Tokens — accueil (français)](https://hiddentokens.com/): the same page in French− - [HR and payroll](https://hiddentokens.com/hr-payroll/): employee IDs and salaries protected; labour-law vocabulary readable+ - Proof: a local "What Claude saw" log re-checks every AI response against the key; signed proof pages; a seal a client can verify; a coverage report per workstation (counts only); the Ledger (since connector 2.46.0, app 0.14.12): a signed, hash-chained monthly register per workstation, never erased (amendments), whose signed page gives the DPO the period attestation, a pre-filled GDPR Article 30 draft entry and EU AI Act deployer-file elements, plus a JSON export.+ - Platforms: macOS 13 or later on Apple Silicon only, no Intel Macs (signed and notarised by Apple); Windows 10 and 11, 64-bit, per-user install without admin rights (installer not yet code-signed: SmartScreen warns on first launch). Since app 0.14.2 the app makes no network request by default: it checks for updates only when the user clicks "Check for updates", or once a week if the user accepted that once (only the version number and the IP address go to GitHub).+ - Pricing (excl. VAT, per seat per year): Solo €390 (1 seat); Firm €290 (2–20 seats, organisation registry, signed admin policy, coverage report, Ledger); Organisation €190 (21–100 seats), €140 (101–500 seats), €4,900/year minimum, with key escrow, admin console, priority support and a framework agreement.+ - [Hidden Tokens — accueil (français)](https://hiddentokens.com/fr/): the same page in French+ - [Video demo](https://hiddentokens.com/video/): 1 min 47 — a fictitious letter coded on the computer, Claude Desktop working on the codes, the result translated back locally, and the signed proof of what Claude saw (French page: https://hiddentokens.com/fr/video/)+ - [Free anonymizer](https://hiddentokens.com/anonymizer/): free tool — paste a text or drop a Word (.docx), Excel (.xlsx, .xls) or CSV file; names, companies, addresses, emails, phone numbers, IBANs and bank cards, ID and case numbers become codes (NAME-001, COMPANY-001…) before the text goes to ChatGPT, Claude, Gemini or Copilot; paste the AI's answer back and the real names return. Runs entirely in the browser with the app's engine (CSP connect-src 'none', no analytics); the key lives only in + - Free anonymizer pages by use: [text for ChatGPT](https://hiddentokens.com/anonymize-text-for-chatgpt/), [a document for Claude](https://hiddentokens.com/anonymize-documents-for-claude/), [an Excel or CSV file](https://hiddentokens.com/anonymize-excel-for-ai/), [a Word document](https://hiddentokens.com/anonymize-word-document-for-ai/), [an email](https://hiddentokens.com/anonymize-email-for-ai/), [restore the real names in an AI answer](https://hiddentokens.com/deanonymize-ai-answer/)+ - [Anonymiseur gratuit (français)](https://hiddentokens.com/fr/anonymiseur/): the same tool in French, with [texte pour ChatGPT](https://hiddentokens.com/fr/anonymiser-texte-chatgpt/), [document pour Claude](https://hiddentokens.com/fr/anonymiser-document-claude/), [Excel ou CSV](https://hiddentokens.com/fr/anonymiser-excel-ia/), [document Word](https://hiddentokens.com/fr/anonymiser-document-word-ia/), [e-mail](https://hiddentokens.com/fr/anonymiser-email-ia/), [désanonymiser une réponse](https+ - [AI charter generator](https://hiddentokens.com/ai-charter/): free tool — twelve questions (country, sector, AI tools, data, red lines, internal references, code names, terms left readable, industry packs, governance) produce the organisation's generative-AI confidentiality charter as a Word file, the Hidden Tokens policy source (politique-source.json) that the admin console validates and signs so every seat enforces the same red lines and references, and the folder settings (reglages.json) fo+ - [Générateur de charte IA (français)](https://hiddentokens.com/fr/charte-ia/): the same generator in French+ - [AI and the UK GDPR](https://hiddentokens.com/uk-gdpr-ai/): what the UK GDPR, the ICO and the SRA Code ask when client files go to an AI, what Hidden Tokens does, what it doesn't cover yet in the UK, prices in pounds; [PDF](https://hiddentokens.com/uk-gdpr-ai/hidden-tokens-sheet-uk.pdf)+ - [AI, the GDPR and professional secrecy in France](https://hiddentokens.com/france-gdpr-ai/): GDPR articles, the CNB guide, professional secrecy texts, and what Hidden Tokens does for each; [PDF](https://hiddentokens.com/france-gdpr-ai/hidden-tokens-sheet-france.pdf)+ - [AI and Morocco's Law 09-08](https://hiddentokens.com/morocco-ai-law-09-08/): security, transfers abroad and professional secrecy for Moroccan organisations using AI; [PDF](https://hiddentokens.com/morocco-ai-law-09-08/hidden-tokens-sheet-morocco.pdf)+ - French versions: [Royaume-Uni](https://hiddentokens.com/fr/ia-royaume-uni-uk-gdpr/), [France](https://hiddentokens.com/fr/ia-rgpd-secret-professionnel/), [Maroc](https://hiddentokens.com/fr/ia-loi-09-08-maroc/), each with its PDF+ - [Shadow AI diagnostic](https://hiddentokens.com/shadow-ai-diagnostic/): 12 questions, a score out of 36 and three priorities, computed in the browser (French: [diagnostic « IA de l'ombre »](https://hiddentokens.com/fr/diagnostic-ia-de-l-ombre/))+ ## Academy+ Free lessons, no account, on an invented case file (London law firm; French version set in Casablanca). Each lesson answers one question in its first paragraph and is dated by the app and connector versions it was written for. English only for now; French lessons to follow under /fr/academie/.+ - [Hidden Tokens Academy](https://hiddentokens.com/academy/): index of the nine lessons and the sample folder (invented data) to download+ - [Is it safe to put client data in ChatGPT?](https://hiddentokens.com/academy/start-here/): lesson 0 — what an AI receives from a Word, Excel or PDF file (headers, comments, properties), and what pseudonymisation does and does not change+ - [How do I anonymise documents before ChatGPT on Mac or Windows?](https://hiddentokens.com/academy/install/): lesson 1 — install on Mac (Apple Silicon only) or Windows 10/11, SmartScreen's "More info → Run anyway", the first-launch questions, the sample folder+ - [How do I anonymise a Word or Excel file before an AI reads it?](https://hiddentokens.com/academy/protect-a-folder/): lesson 2 — watch a folder, drop the sample files, check the coded copy with Ctrl+F; amounts in a contract's text stay readable by design+ - [How do I use Claude with confidential documents?](https://hiddentokens.com/academy/claude-desktop/): lesson 3 — install the Claude Desktop connector, set its working folder, start with "Open my Hidden Tokens folder", read a scan with local OCR and proofreading+ - [How do I anonymise my ChatGPT prompts?](https://hiddentokens.com/academy/chatgpt-gemini-copilot/): lesson 4 — pair the browser extension, send a message with invented names, check what the site received; attachments, private windows and other apps are not covered+ - [How do I de-anonymise the AI's output?](https://hiddentokens.com/academy/decode/): lesson 5 — have Claude write a Word document with codes, decode it on your computer with the real names, formatting intact; the decoded file never goes back to the AI+ - [How can I check what data an AI received?](https://hiddentokens.com/academy/prove-what-ai-saw/): lesson 6 — produce the signed "What Claude saw" page, read its counts (exchanges, codes, values found in clear), verify it offline in the app or at /verify-seal+ - [How do I anonymise legal, HR or medical documents for AI?](https://hiddentokens.com/academy/industry-packs/): lesson 7 — industry packs (legal, accounting, HR and payroll, healthcare, banking and insurance, telecom), folder rules: a pattern for an in-house reference, a term left in clear+ - [How do I show that I can use AI on confidential files?](https://hiddentokens.com/academy/badge/): lesson 8 — drop the signed "What Claude saw" page of the sample folder: checked in the browser (signature, fingerprint, counts), then a shareable badge; not a certification+ - [Académie Hidden Tokens (français)](https://hiddentokens.com/fr/academie/): the same Academy in French, lessons published so far+ - [Peut-on mettre des données clients dans ChatGPT ?](https://hiddentokens.com/fr/academie/commencer-ici/): leçon 0 en français — ce qu'une IA reçoit d'un fichier Word, Excel ou PDF (en-têtes, commentaires, propriétés), et ce que la pseudonymisation change ou non+ - [Comment anonymiser des documents avant ChatGPT, sur Mac ou Windows ?](https://hiddentokens.com/fr/academie/installer/): leçon 1 en français — installer sur Mac (Apple Silicon seulement) ou Windows 10/11, « Informations complémentaires → Exécuter quand même » de SmartScreen, les questions du premier lancement, le dossier d'exemple+ - [Comment anonymiser un fichier Word ou Excel avant qu'une IA le lise ?](https://hiddentokens.com/fr/academie/proteger-un-dossier/): leçon 2 en français — surveiller un dossier, y déposer les pièces d'exemple, relire la copie codée par Ctrl+F ; un montant dans le texte d'un contrat reste lisible, c'est voulu+ - [Comment utiliser Claude avec des documents confidentiels ?](https://hiddentokens.com/fr/academie/claude-desktop/): leçon 3 en français — installer le connecteur Claude Desktop, choisir son dossier de travail, commencer par « Ouvre mon dossier Hidden Tokens », lire un scan avec OCR sur le poste et relecture+ - [Comment anonymiser ses messages à ChatGPT ?](https://hiddentokens.com/fr/academie/chatgpt-gemini-copilot/): leçon 4 en français — jumeler l'extension, envoyer un message avec des noms inventés, vérifier ce que le site a reçu ; pièces jointes, fenêtres privées et autres applis non couvertes+ - [Comment dé-anonymiser le résultat de l'IA ?](https://hiddentokens.com/fr/academie/decoder/): leçon 5 en français — faire rédiger un Word avec les codes, le décoder sur le poste avec les vrais noms, mise en forme intacte ; le fichier décodé ne retourne jamais à l'IA+ - [Comment savoir quelles données une IA a reçues ?](https://hiddentokens.com/fr/academie/prouver-ce-que-l-ia-a-vu/): leçon 6 en français — produire la page signée « Ce que Claude a vu », lire ses chiffres (réponses, codes, valeurs retrouvées en clair), la vérifier hors ligne dans l'appli ou sur /fr/verifier-sceau/+ - [Comment anonymiser des documents juridiques, RH ou médicaux pour l'IA ?](https://hiddentokens.com/fr/academie/packs-metier/): leçon 7 en français — packs métier (juridique France et Maroc, notariat Maroc, expertise comptable, RH et paie, santé, banque et assurance, télécom Maroc), règles du dossier : un motif pour une référence maison, un terme laissé en clair+ - [Comment montrer que je sais utiliser l'IA sur des fichiers confidentiels ?](https://hiddentokens.com/fr/academie/badge/): leçon 8 en français — déposer la page signée « Ce que Claude a vu » du dossier d'exemple : contrôlée dans le navigateur (signature, empreinte, comptes), puis un badge à partager ; il atteste un exercice, pas une compétence juridique+ - [HR and payroll](https://hiddentokens.com/hr-payroll/): employee IDs coded; salaries readable once employees are coded, or hidden by setting; labour-law vocabulary readable+ - [Pages métier (français)](https://hiddentokens.com/fr/#pourqui): the six industry pages in French, for France and Morocco+ - [L'IA pour les avocats, sans rompre le secret professionnel](https://hiddentokens.com/fr/avocats/): French version of /law-firms/
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