No signal event on file yet — status is unknown, not "quiet".
- first observed Kanon started keeping permanent history for this agent
| Machine-callable | — | unknown | — |
| Open source | — | unknown | — |
| Self-hostable | 1 | inferred | — |
| Bring your own key | — | unknown | — |
| Autonomy level | — | unknown | — |
| Pricing model | free | inferred | 1 quote(s) |
| Integrations | chrome,chatgpt,gemini,copilot | inferred | 1 quote(s) |
“Unknown” means we have not verified it — it is not a “no”. Hard filters never treat unknown as false.
Meets a critical need for data privacy in AI workflows by performing local pre-screening, especially relevant in Japan’s strict compliance environment.
Evidence quotesverbatim, from the product’s own materials
“A free Chrome extension”— description
“checks text locally before you send it to ChatGPT, Gemini or Copilot”— description
FAQ
What is Mamorukun?
A Chrome extension that scans text and file attachments locally to prevent sensitive or personal information from being sent to AI tools like ChatGPT.
What does Mamorukun do?
To allow users to review and mask sensitive or private data before sending content to AI assistants.
Why does Mamorukun matter?
Meets a critical need for data privacy in AI workflows by performing local pre-screening, especially relevant in Japan’s strict compliance environment.
How much does Mamorukun cost?
Free
Is Mamorukun free?
Yes — Mamorukun has a free tier. Pricing as stated on its own page: Free
Can I self-host Mamorukun?
Yes — Mamorukun can be self-hosted.
What does Mamorukun integrate with?
chrome,chatgpt,gemini,copilot
How popular is Mamorukun?
As tracked by KanonAgent: 2 upvotes (first indexed 2026-09-15).
What are the best Mamorukun alternatives?
Similar AI agents tracked by KanonAgent: Hidden Business, Audn.AI, strix, pentagi, AI-Infra-Guard, securenow.ai.